CN107970906A - Photocatalyst supports magnetic substance and its manufacture method, the water purification method using it - Google Patents
Photocatalyst supports magnetic substance and its manufacture method, the water purification method using it Download PDFInfo
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- CN107970906A CN107970906A CN201711010059.9A CN201711010059A CN107970906A CN 107970906 A CN107970906 A CN 107970906A CN 201711010059 A CN201711010059 A CN 201711010059A CN 107970906 A CN107970906 A CN 107970906A
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- Prior art keywords
- photocatalyst
- shell
- magnetic substance
- mentioned
- component
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- 239000011941 photocatalyst Substances 0.000 title claims abstract description 203
- 239000000126 substance Substances 0.000 title claims abstract description 115
- 238000000034 method Methods 0.000 title claims abstract description 75
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 85
- 238000000746 purification Methods 0.000 title claims description 26
- 239000000696 magnetic material Substances 0.000 claims abstract description 56
- -1 siloxane unit Chemical group 0.000 claims abstract description 51
- 239000011258 core-shell material Substances 0.000 claims abstract description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 30
- 229910000859 α-Fe Inorganic materials 0.000 claims description 28
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 27
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 24
- 238000001035 drying Methods 0.000 claims description 16
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 claims description 15
- 229910001930 tungsten oxide Inorganic materials 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 25
- 239000003054 catalyst Substances 0.000 abstract description 4
- 239000011257 shell material Substances 0.000 description 78
- 239000002245 particle Substances 0.000 description 40
- 239000007788 liquid Substances 0.000 description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 26
- 238000002604 ultrasonography Methods 0.000 description 25
- 238000004064 recycling Methods 0.000 description 22
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- 230000000052 comparative effect Effects 0.000 description 16
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- 239000000843 powder Substances 0.000 description 16
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 13
- 239000002585 base Substances 0.000 description 13
- 238000002156 mixing Methods 0.000 description 13
- 238000001179 sorption measurement Methods 0.000 description 13
- 239000007864 aqueous solution Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 11
- 238000004132 cross linking Methods 0.000 description 10
- 238000000354 decomposition reaction Methods 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- 239000003153 chemical reaction reagent Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- 239000006228 supernatant Substances 0.000 description 9
- 239000002184 metal Substances 0.000 description 8
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- 238000005260 corrosion Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
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- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 6
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- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 4
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- 239000002002 slurry Substances 0.000 description 4
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- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- 206010013786 Dry skin Diseases 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
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- 239000000956 alloy Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
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- 235000014413 iron hydroxide Nutrition 0.000 description 3
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 3
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 3
- 239000002923 metal particle Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
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- 238000011160 research Methods 0.000 description 3
- 150000004684 trihydrates Chemical class 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
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- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
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- 239000002253 acid Substances 0.000 description 2
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- 239000010949 copper Substances 0.000 description 2
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- 239000013078 crystal Substances 0.000 description 2
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
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- KEHCHOCBAJSEKS-UHFFFAOYSA-N iron(2+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[Ti+4].[Fe+2] KEHCHOCBAJSEKS-UHFFFAOYSA-N 0.000 description 2
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 2
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- 125000000962 organic group Chemical group 0.000 description 2
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- 238000000227 grinding Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- CKAPSXZOOQJIBF-UHFFFAOYSA-N hexachlorobenzene Chemical compound ClC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl CKAPSXZOOQJIBF-UHFFFAOYSA-N 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- BQZGVMWPHXIKEQ-UHFFFAOYSA-L iron(ii) iodide Chemical compound [Fe+2].[I-].[I-] BQZGVMWPHXIKEQ-UHFFFAOYSA-L 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000008141 laxative Substances 0.000 description 1
- 230000002475 laxative effect Effects 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000005355 lead glass Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011656 manganese carbonate Substances 0.000 description 1
- 235000006748 manganese carbonate Nutrition 0.000 description 1
- 229940093474 manganese carbonate Drugs 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 description 1
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- XIGAUIHYSDTJHW-UHFFFAOYSA-N mefenacet Chemical compound N=1C2=CC=CC=C2SC=1OCC(=O)N(C)C1=CC=CC=C1 XIGAUIHYSDTJHW-UHFFFAOYSA-N 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- MEBQXILRKZHVCX-UHFFFAOYSA-N methidathion Chemical compound COC1=NN(CSP(=S)(OC)OC)C(=O)S1 MEBQXILRKZHVCX-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 229960000907 methylthioninium chloride Drugs 0.000 description 1
- 229960001952 metrifonate Drugs 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 208000011117 substance-related disease Diseases 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- OPASCBHCTNRLRM-UHFFFAOYSA-N thiometon Chemical compound CCSCCSP(=S)(OC)OC OPASCBHCTNRLRM-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- NFACJZMKEDPNKN-UHFFFAOYSA-N trichlorfon Chemical compound COP(=O)(OC)C(O)C(Cl)(Cl)Cl NFACJZMKEDPNKN-UHFFFAOYSA-N 0.000 description 1
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- JLYXXMFPNIAWKQ-UHFFFAOYSA-N γ Benzene hexachloride Chemical class ClC1C(Cl)C(Cl)C(Cl)C(Cl)C1Cl JLYXXMFPNIAWKQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/892—Nickel and noble metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/34—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of chromium, molybdenum or tungsten
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/36—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of vanadium, niobium or tantalum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/33—Electric or magnetic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/396—Distribution of the active metal ingredient
- B01J35/397—Egg shell like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/306—Pesticides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
- C02F2101/345—Phenols
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Toxicology (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The problem to be solved in the present invention is to provide a kind of photocatalyst and its manufacture method so that the photocatalyst that can be efficiently contacted with decomposing object material is not easy to depart from from the base material for supporting the catalyst, flows out, and is readily isolated, recycles.Magnetic substance is supported using a kind of photocatalyst with core shell structure and solves the above problem, it is characterised in that the stratum nucleare containing magnetic material is covered by shell, and above-mentioned shell follows from what is selected in shell:Including at least component and the shell of photocatalyst with siloxane unit;Shell comprising the component with siloxane unit and the shell including at least photocatalyst;And including at least the component with siloxane unit and the shell of photocatalyst and the shell including at least photocatalyst.
Description
Technical field
Support magnetic substance and its manufacture method the present invention relates to photocatalyst, supported using the photocatalyst magnetic substance water it is net
Change method.More particularly it relates to the stratum nucleare containing magnetic material by including at least with siloxane unit into
Point and the photocatalyst that is characterized of shell covering of component with photocatalyst function support magnetic substance and its manufacture method, use this
Photocatalyst supports the water purification method of magnetic substance.
Background technology
In the past, on using titanium oxide etc. as decomposition (air purification) of the photocatalyst to the harmful substance in air, disliking
Decomposition (deodorization), the decomposition for the polluter for dissolving or being dispersed in water (purification), the decomposition/life of mushroom of smelly source material
Long suppression (antifouling) of spot for suppressing (antibacterial), outer wall, window etc. etc. has been carried out researching and developing.Such as on dissolving or dividing
The purification of the polluter in water is dissipated, Composite material is studied with various methods in order to improve degree of purification.
No. 03950923 publication of special permission is directed to use with coordinating ferrous components and titanium oxide base photocatalyst and iron-oxygen of Composite
Change titanium and support catalytic body, the organic matter suspended things that make to contain in the processed water comprising suspended material, pesticide, environmental hormone etc. are miscellaneous
Matter absorption, decomposed and precipitate and promptly carried out the method for purifying water of purified treatment to processed water with the short time, containing above-mentioned
Iron-titanium oxide supports catalytic body as the water scavengine agent of active ingredient and its water purification system.
However, in the iron-titanium oxide supports catalytic body, iron is exposed to surface, does not carry out rust preventing actively,
Therefore there are the following problems:The iron exposed in water can occur to aoxidize and produce rust, can not for a long time continue to use, recycle and make
With.
No. 04551723 publication of special permission, which is related to one kind, makes photocatalyst material integrally turn to alloy shape with magnetic substance, makes the alloy
As the photocatalyst material of micronized.In addition, a kind of refuse processing method is further related to, by the photocatalyst material with being processed
Discarded object is used in mixed way, and irradiation ultraviolet makes its activation, so as to decompose the impurity that processed discarded object contains.
However, in the photocatalyst material, magnetic substance is exposed to surface, does not carry out rust preventing actively, therefore
There are the following problems:Rust can be produced in water and can not for a long time continue to use, is recycled.
No. 05033411 publication of special permission, which is related to, makes the particulate inactive to photocatalyst and photocatalyst with being used as photocatalyst base
The photocatalyst resin compounded particle that the resin particle of material is combined, the photocatalyst resin compounded particle be by photocatalyst without work
Property and the particle diameter particulate smaller than resin particle fix compound more than one layer on the resin particle surface that particle diameter is 0.01~10mm,
And fixation is compounded with what the particle diameter photocatalyst particulate smaller than resin particle formed in its surface.
However, formed since the photocatalyst material makes photocatalyst particulate fix Composite, not comprising energetically preventing
The bonding adhesive ingredients of disengaging, therefore there are the following problems:Particularly photocatalyst particulate can take off in the case of use in water
From and can not continue to use for a long time, recycled.
Prior art literature
Patent document
Patent document 1:Specially permit No. 03950923 publication
Patent document 2:Specially permit No. 04551723 publication
Patent document 3:Specially permit No. 05033411 publication
The content of the invention
Problems to be solved by the invention
Particle (titanium oxide of Detitanium-ore-type etc.) with photocatalyst function is nano level particle diameter, it is therefore contemplated that fixation
In the method that base material is used.
In the environment used is water, and used in the purposes for making object substance decomposition using photocatalyst function
In the case of, it is necessary to the problem of reply is following.
Be supported with photocatalyst base material will not rotten, corrosion and from base material depart from, outflow.
Photocatalyst particle is readily isolated, recycles with the base material for being supported with the photocatalyst particle.
The photocatalyst can be contacted efficiently with decomposing object material.
The present invention be in view of this problem and complete, its purpose is to provide a kind of photocatalyst and its manufacture method, makes
The photocatalyst that obtain efficiently to contact with decomposing object material is not easy to depart from from the base material for supporting the catalyst, flows out, can be easily separated,
Recycling.
The solution used to solve the problem
The present inventor carried out various researchs in order to achieve the above object, it turns out that by using containing
The stratum nucleare of magnetic material is covered including at least the shell of the component with siloxane unit and the component with photocatalyst function
Photocatalyst support magnetic substance, can solve the above problems, so as to complete the present invention.
In this way, according to the present invention, there is provided a kind of photocatalyst with core shell structure supports magnetic substance, it is characterised in that contains
The stratum nucleare of magnetic material is covered by shell, and above-mentioned shell follows from what is selected in shell:Including at least with siloxanes list
The component of member and the shell of photocatalyst;Shell comprising the component with siloxane unit and the shell including at least photocatalyst;
And including at least the component with siloxane unit and the shell of photocatalyst and the shell including at least photocatalyst.
In addition, according to the present invention, there is provided above-mentioned photocatalyst supports magnetic substance, and above-mentioned magnetic material is ferrite.
In addition, according to the present invention, there is provided above-mentioned photocatalyst supports magnetic substance, and above-mentioned photocatalyst includes titanium oxide or oxidation
Tungsten or both.
Moreover, according to the present invention, there is provided a kind of photocatalyst supports the manufacture method of magnetic substance, it is characterised in that including with
The process for including stratum nucleare of the shell of the component with the siloxane unit and photocatalyst covering containing magnetic material.
In addition, according to the present invention, there is provided above-mentioned photocatalyst supports the manufacture method of magnetic substance, the work covered with above-mentioned shell
Sequence includes:The process covered with the layer comprising the component with siloxane unit;And with comprising with photocatalyst function
Component the process that is covered of layer.
Moreover, according to the present invention, there is provided a kind of water purification method, it is characterised in that including:Cleaning procedure, makes above-mentioned
Photocatalyst supports magnetic substance and is distributed in water, and irradiation light activates photocatalyst, decomposes compound present in above-mentioned water.
In addition, according to the present invention, there is provided above-mentioned water purification method, is life or plant drainage storage cistern in above-mentioned water
Water in.
In addition, according to the present invention, there is provided above-mentioned water purification method, includes the use of magnet and above-mentioned photocatalyst is supported magnetism
Body movement or the process of recycling.
In addition, according to the present invention, there is provided above-mentioned water purification method, including magnetic substance is supported to above-mentioned photocatalyst and carries out water
Wash the process with drying process.
In addition, according to the present invention, there is provided above-mentioned water purification method, above-mentioned photocatalyst support magnetic substance by washing and doing
Drying process is regenerated, and is recycled in above-mentioned cleaning procedure.
Invention effect
In the photocatalyst with core shell structure of the present invention supports magnetic substance, the stratum nucleare surface containing magnetic material is by extremely
The shell covering of the few component comprising with siloxane unit and photocatalyst, thus photocatalyst is not easy under various ambiances
Magnetic substance disengaging, outflow, energy long-time service are supported from photocatalyst, and can be easily separated, recycle.
In addition, according to the present invention, have the component of photocatalyst function for titanium oxide either tungsten oxide or both, thus
Photocatalyst efficiently can be activated under various optical source wavelengths, target molecule, the discomposing effect of compound can be played.
In addition, according to the present invention, the shell for covering the stratum nucleare containing magnetic material includes at least silicones as having silicon
The component of oxygen alkane unit, is adsorbed onto magnetic substance particle surface to realize thus, it is possible to the antirust by the stratum nucleare and suppression Multiple components
Photocatalyst supports the long lifetime of magnetic substance.
In addition, according to the present invention, be included in magnetic substance particle surface formed comprising at least with siloxane unit into
Point and component with photocatalyst function layer process, thus, it is possible to will by component with the high siloxane unit of weatherability
Component with photocatalyst function is fixed on the stratum nucleare containing magnetic material, so that photocatalyst will not take off under circumstances
From, outflow and can realize photocatalyst and support the long lifetime of magnetic substance.
In addition, according to the present invention, including photocatalyst is supported magnetic substance and be distributed in water, irradiation makes the ripple that photocatalyst activates
Long light come make to be present in the compound in water decomposition cleaning procedure be distributed to so that photocatalyst supports magnetic physical efficiency in water,
And the surface that magnetic substance particle can be supported in each photocatalyst promotes the decomposition reaction for being present in compound in water, therefore especially
The discomposing effect of photocatalyst can be played in the purification of water.
In addition, according to the present invention, can quantitatively it be recycled in the net of water by using the movement or recovery process of magnet
Photocatalyst of the invention in change after use supports magnetic substance, so that the photocatalyst, which supports magnetic substance, will not be leaked to use environment
In, and magnetic substance is supported to the photocatalyst of recycling and is washed, is dry and can semi-permanently use it for the purification of water, therefore
It can reduce and maintain cost.
Brief description of the drawings
Fig. 1 is that the photocatalyst of the present invention supports the summary sectional view of magnetic substance 1.
Fig. 2 is that the photocatalyst of the present invention supports the summary sectional view of magnetic substance 2.
Fig. 3 is that the photocatalyst of the present invention supports the summary sectional view of magnetic substance 3.
Fig. 4 is that the photocatalyst of the present invention supports the manufacturing process skeleton diagram of magnetic substance (photocatalyst supports magnetic substance 1).
Fig. 5 is that the photocatalyst of the present invention supports the manufacturing process skeleton diagram of magnetic substance (photocatalyst supports magnetic substance 2).
Fig. 6 is that the photocatalyst of the present invention supports the manufacturing process skeleton diagram of magnetic substance (photocatalyst supports magnetic substance 3).
Embodiment
Photocatalyst supports magnetic substance
The photocatalyst of the present invention, which supports magnetic substance, to be had:Stratum nucleare containing magnetic material;And shell, it is on stratum nucleare surface
Including at least the component with siloxane unit and the component with photocatalyst function.
Photocatalyst according to the present invention supports magnetic substance, and the protective layer with siloxane structure realizes the anti-of magnetic substance particle
Become rusty and suppress Multiple components and be adsorbed onto magnetic substance particle surface, the excellent in te pins of durability in the purposes of Water warfare.
During the light of the energy more than the energy gap irradiated between valence band and conduction band with various semiconductors, the electronics of the valence band
Conduction band is activated into, hole can be produced in valence band.It is said that the electronics and hole can move inside semiconductor, electronics makes oxygen also
It is former and generate superoxide anion (O2 -), hole makes water oxygen and generates hydroxy radical (OH).It is said that using these free radicals as
Basis can generate reactive oxygen species.Known decomposition, the sterilizing that organic matter is carried out using the reactive oxygen species.
Magnetic substance is supported as the photocatalyst with this feature, widely known is that main composition is titanium oxide, aoxidizes
The photocatalyst of tungsten etc. supports magnetic substance.
Titanium oxide is not particularly limited, and can be Titanium Dioxide Rutile Top grade, anatase-type titanium oxide and brookite type oxidation
Titanium or the mixed crystal of more than two kinds in them, select according to purposes.
In addition, tungsten oxide is it is not also specifically limited, commercial product can be suitably used.There are a part to be reduced for tungsten oxide
For the situation of V valencys, therefore preferably it is fired etc. and is used after being oxidized to VI valencys at high temperature.The crystal structure of tungsten oxide does not have yet
There is special limitation.
Photocatalyst supports the structure of magnetic substance
Hereinafter, magnetic substance is supported to the photocatalyst with core shell structure to illustrate.
Photocatalyst shown in Fig. 1 supports magnetic substance and is configured to possess:Stratum nucleare containing magnetic material;Shell 1, it is in stratum nucleare
Surface includes at least the component with siloxane unit;And shell 2, it includes at least the component with photocatalyst function.
Photocatalyst shown in Fig. 2 supports magnetic substance and is configured to possess:Stratum nucleare containing magnetic material;And shell, its
Stratum nucleare surface includes at least the component with siloxane unit and the component with photocatalyst function.
Photocatalyst shown in Fig. 3 supports magnetic substance and is configured to possess:Stratum nucleare containing magnetic material;Shell 1, it is in stratum nucleare
Surface includes at least the component with siloxane unit and the component with photocatalyst function;And shell 2, it includes at least tool
There is the component of photocatalyst function.
Though in addition, being not shown in Fig. 1~Fig. 3, shell, which may not be, all covers on stratum nucleare surface, in addition, i.e.
Make to add the layer for including other compositions between stratum nucleare and shell, shell can also be designed as more than bilayer.
By using the stratum nucleare containing magnetic material, magnetic force can be passed through photocatalyst is supported when magnetic substance uses in water
Carry out decentralised control, the recycling control of particle.
Magnetic substance is supported by recycling photocatalyst, the recycling that photocatalyst supports magnetic substance becomes easy, can also carry out partly forever
Use long.
Stratum nucleare
Stratum nucleare contains magnetic material.Magnetic material is not particularly limited, such as can use ferrite (ferrite), magnet
The metals such as oxide, iron, cobalt, the nickel such as ore deposit (magnetite), iron oxide or their alloy, principal component, accessory ingredient can also
Contain other elements.As element is contained, can enumerate iron, cobalt, nickel, aluminium, copper, lead, magnesium, tin, zinc, antimony, beryllium, bismuth, calcium, manganese, selenium,
Titanium, tungsten, vanadium.
As long as the particle diameter of core layer material can utilize the particle diameter that magnetic force is controlled, recycles, it is not particularly limited, but
Preferably be averaged 5 μm~5mm scope.When the particle diameter of core layer material is in this scope, with regard to the dispersiveness in water, from water
Recyclability etc. for be easily processed, the covering processing of shell is also easy.
The a variety of materials that can serve as core layer material is illustrated.
Ferrite
Ferrite is using as the iron oxide Fe of raw material2O3Mixed as principal component with the oxide of other divalent metals laggard
Row heating makes it combine and manufacture, but can also be manufactured using any one method in dry process and damp process.Dry type
Method be by metal oxide or by heat resolve for metal oxide raw material mix, and carry out heating make its with reference to and make
The method made.
Damp process is mixed as the water soluble compound of the metal of ferrite raw material in water, which is added
Alkali makes precipitate metal hydroxides, the method for making it be heated and manufactured after dehydrating.
The iron oxide of main material can use the transition such as commercially available iron oxide composition, Zn, Ni, Cu, Mn, Mg, Co of auxiliary material
The terres rares such as the alkaline-earth metal such as metal, Sr, Ba, Y, Sm, Gd can be easily become using commercially available oxide or by heating
The commercially available raw material (such as in the case of Mn be manganese carbonate) of oxide.
Illustrate the example manufactured by dry process below, but be not limited to following record.
The suitable raw material of weighing respectively, is crushed after being mixed with commercially available mixer, pulverizer.Then, to the mixing
Thing adds water, dispersant etc. and forms the slurry form that solid component concentration is 30~90 weight %.Then, in granulating working procedure
In, spraying is carried out to above-mentioned slurry in hot wind with spray dryer makes it dry and obtain granulation product.
Next, above-mentioned granulation product are carried out heating with 1000~1300 DEG C becomes ferrite.By obtained iron element
Body pulverizer, grader adjust particle diameter and form ferrite core (ferrite core).
Magnetic iron ore
The raw material of magnetic iron ore is with Fe3O4For the raw material of principal component, general known damp process, dry process, powder can be used
Any one method in broken method manufactures.
Damp process is to make Fe2++2Fe3+Aqueous solution become alkalescence, make its be co-precipitated method.
Dry process is to bloodstone (iron oxide Fe2O3) heated in hydrogen, carbon monoxide or vapor, reduced
Method.
Comminuting method is by the method for naturally-produced magnetic iron ore crushing.Magnetic iron ore is general to be manufactured by damp process more, its side
Method is the solution containing iron hydroxide is aoxidized with more than 60 DEG C of temperature and obtained.
In the manufacture method, it can be obtained by the magnetite particle for reacting generation in the state of being distributed in water, because
This can be dried after magnetite particle is separated and obtain powder.
Raw material when specifically, as generation iron hydroxide, can use frerrous chloride, ferrous sulfate, iron iodide, bromine
Change ferrous iron, iron chloride, ferric nitrate, ferric sulfate etc..
As alkaline aqueous solution, sodium hydrate aqueous solution, potassium hydroxide aqueous solution, aqueous sodium carbonate, carbonic acid can be used
Aqueous solutions of potassium etc..The oxidation of iron hydroxide be by the aqueous solution comprising ferric hydroxide colloid carry out heating while with containing
Aerobic gas (air can also) is aerated to carry out.
Metal particle
As metal particle, the metallics such as iron, cobalt, nickel can be enumerated, commercially available metal particle can be used.
Component with photocatalyst function
The component with photocatalyst function of the present invention is not particularly limited, and can use titanium oxide (TiO2), tungsten oxide
(WO3), strontium titanates (SrTiO3), niobium oxide (Nb2O5), tantalum oxide (Ta2O5), zirconium oxide (ZrO2), bismuth oxide (Bi2O3), oxidation
Iron (Fe2O3) etc..
These components with photocatalyst function can be used only a kind, can also be use mixing two or more.
Wherein, it is cheap using titanium oxide, tungsten oxide as the component mainly formed, it is readily obtained, therefore preferably.
Alternatively, it is also possible to reduce the energy gap of the above-mentioned various components with photocatalyst function, and it is fixed with its surface
Metal or metallic compound as the co-catalyst for improving the response in visible region.As in this case
The metal of metal or metallic compound, preferably adds transition metal.It is preferred that addition platinum as Pt, Pd, Rh, Ru, Os, Ir
Race's metal.
It is preferred that a diameter of more than the 5nm of 50% volume-cumulative for the component with photocatalyst function that can be used in the present invention
Below 200nm.When for more than 5nm when, cohesion is few, easy redisperse.When for below 200nm when, easily in the work being processed
Uniformly mix, depart from also less with other components in sequence, therefore well.
Grain diameter measurement can utilize laser diffraction formula particle size distribution meter, dynamic light scattering formula particle size distribution meter etc. to be measured.
Component with siloxane unit
By possessing the component with siloxane unit on stratum nucleare surface, diversified component can be prevented and be adsorbed in
Magnetic material, is not decomposed and the situation of former state remaining.Moreover, can be prevented in the core containing magnetic material corrosion generation and
It is carried out.Component with siloxane unit is compared with the component with photocatalyst function, the absorption to diversified material
Property it is low, therefore the target compound that can make to want to decompose preferably is contacted with the component with photocatalyst function, thus can efficient land productivity
Decomposition reaction is carried out with photocatalyst.Moreover, the compound with siloxane unit is also very strong to light, heat, it can make and there is silica
The component of alkane unit together the existing stable components with photocatalyst function it is fixed, can also realize that photocatalyst supports magnetic substance
Recycling.
As the component containing the component with the siloxane unit, silicon system resin, glass can be enumerated, can use and wherein appoint
What is a kind of.From the easy degree preferably silicones of processing, in addition to common silicones, can also use in room temperature
There is down the silicon rubber of caoutchouc elasticity, imported modified silicone resin, the modified silicon rubber of various organic functional bases.
Silicones is preferably that can make and the good cross-linking type silicones of the close property of the stratum nucleare containing magnetic material.It is such as following
It is shown, cross-linking type silicones be reacted by thermal dehydration, normal temperature cure reaction etc. and the known silicones of crosslinking curing.
[chemical formula 1]
(in formula, base R possessed by each silicon atom is mutually identical or different, represents the organic group of 1 valency, and base OX represents second
Acyloxy base, aminooxy group, alkoxy or ketoxime base etc.).
As cross-linking type silicones, any one in heat-curing type silicones, normal temperature cured type silicones can be used
Silicones.Heat-curing type silicones is crosslinked, which need to be heated to 200~250 DEG C of degree.In addition, to make
Normal temperature cured type silicones cures, at room temperature with regard to that can carry out, it is not necessary to heat, but in order to shorten hardening time, also may be used
To be heated to 150~280 DEG C.
It is methyl preferably with the organic group of R 1 valencys represented in cross-linking type silicones.The crosslinking of the cross-linking type silicones
Compact structure, when forming shell on the stratum nucleare containing magnetic material with it, can obtain the good light such as water proofing property, moisture-proof
Catalyst supports magnetic substance.But if cross-linked structure is excessively fine and close, resin bed has the trend to become fragile, therefore cross-linking type silicon tree
The research of fat solid state is critically important.
As commercially available cross-linking type silicones, such as the ProductName of Dong Li DOW CORNINGs Co., Ltd. manufacture can be enumerated:
BA2400, BA2410, BA2411, BA2510, BA2405,840RESIN, 804RESIN, Shin-Etsu Chemial Co., Ltd's manufacture
ProductName:KR350、KR271、KR272、KR274、KR216、KR280、KR282、KR261、KR260、KR255、KR266、
KR251、KR155、KR152、KR214、KR220、X-4040-171、KR201、KR5202、KR3093。
In addition, cross-linking type silicones can be used alone, two or more can also be used at the same time, can also be used at the same time
Glass.
In addition, the shell according to the present invention for including the component with siloxane unit can also include other resins.
As long as such resin does not limit, such as can illustrate and show without detriment to the preferred characteristics of the shell formed by silicon system resin
Go out epoxy resin, polyurethane resin, phenolic resin, acrylic resin, styrene resin, polyamide, polyester, acetal resin,
Makrolon, vinyl chloride resin, vinyl acetate resin, celluosic resin, polyolefin, their copolymer resin and cooperation
Resin etc..
In the case of glass, soda-lime glass, crystal glass, pyrex etc. can be enumerated.
Photocatalyst supports the manufacture method of magnetic substance
As form when shell to be covered in the stratum nucleare containing magnetic material, as long as the core containing magnetic material can be covered
Layer, does not limit, for example, in the case of the particle structure of Fig. 1, Fig. 2 and Fig. 3, using as the constituent of shell
Above-mentioned resin is dissolved in molten after the solution shape after solvent or the above-mentioned resin heating melting for making constituent as shell
Melting shape can.
In this way, the constituent of shell is solution shape, molten, it is thus achieved that can easily cover containing magnetic material
The effect of stratum nucleare.
Such as in the case of solution shape, as long as above-mentioned solvent can dissolve the resin of shell, it is not particularly limited, example
Such as preferable organic solvent.
In addition, aromatic hydrocarbon, acetone and methyl ethyl ketone such as toluene and dimethylbenzene can be applicable in the organic solvent
Deng the alcohols such as the ethers such as ketone, tetrahydrofuran and dioxanes or 2- propyl alcohol, ethanol, methanol.In addition, above-mentioned organic solvent can be with
1 kind is used alone, mixed solvent of more than two kinds can also be used.
Embodiment 1
Next, the photocatalyst of the explanation present invention supports the example of the manufacture method of magnetic substance.
As shown in Figure 1, the process according to Fig. 4, it is containing magnetic material that photocatalyst of the invention, which supports magnetic substance,
The surface coating of stratum nucleare include at least the shell material of the component with siloxane unit after forming shell 1, mix, be applied to
Few shell material for including the component with photocatalyst function, carrying out heating removes solvent volatilization, is dried and forms shell
2。
Then, shell material for not being formed at the stratum nucleare containing magnetic material etc. is cleaned in cleaning process and makes it not residual
Deposit.Then, recycled in heat drying or after being heating and curing, magnetic substance 1 is supported thus, it is possible to manufacture photocatalyst.
Embodiment 2
Alternatively, as shown in Fig. 2, the process recorded according to Fig. 5, on the surface of the stratum nucleare containing magnetic material, coating is at least wrapped
After shell material containing the component with siloxane unit and the component with photocatalyst function, carrying out heating removes solvent volatilization
Go, be dried and form shell.
Then, shell material for not being formed at the stratum nucleare containing magnetic material etc. is cleaned in cleaning process and makes it not residual
Deposit.Then, recycled in heat drying or after being heating and curing, magnetic substance 2 is supported thus, it is possible to manufacture photocatalyst.
Embodiment 3
Alternatively, as shown in figure 3, the process recorded according to Fig. 6, forms on the surface of the stratum nucleare containing magnetic material and at least wraps
Shell 1 containing the component with siloxane unit and the component with photocatalyst function, then forms including at least photocatalyst
Shell 2.
Then, shell material for not being formed at the stratum nucleare containing magnetic material etc. is cleaned in cleaning process and makes it not residual
Deposit.Then, recycled in heat drying or after being heating and curing, magnetic substance 3 is supported thus, it is possible to manufacture photocatalyst.
As the shell formed on the surface of the stratum nucleare containing magnetic material including at least the component with siloxane unit
Or formed with the method including at least the component with siloxane unit and the shell of the component with photocatalyst function, energy
Using known method.For example, can enumerate makes the stratum nucleare containing magnetic material be impregnated in the infusion process in shell material, use shell material
The spray-on process sprayed to the stratum nucleare containing magnetic material drips shell material to the drop of the stratum nucleare containing magnetic material
Laxative remedy, the thermopnore sprayed in the state of making the stratum nucleare containing magnetic material swim using moving air with shell material
Method, make in coating machine is mediated stratum nucleare containing magnetic material and shell material mixing and remove kneading coating machine method of solvent etc..
It can also apply to include to purify work as follows feature of this invention is that photocatalyst of the invention supports magnetic substance
The purification of the water of sequence:Make above-mentioned photocatalyst support magnetic substance to be distributed in water, irradiation light activates photocatalyst, decomposes in above-mentioned water
Existing compound.In addition, one of the features of the present invention also resides in, the photocatalyst in the purification of water after use supports magnetic substance
It can be moved, be recycled using magnet, then be regenerated by washing and/or drying process, be re-used for the purification of water.
As the water of the purified treatment of the object of above-mentioned water purification method, life, agricultural or factory row can be enumerated
The water of water storage cistern.
In addition, compound present in water as purified treatment, can enumerate:Enemy as the insecticide of organic phosphorus
Dichlorvos (DDVP), chlorfenviphos (ビ ニ フ ェ ー ト), Vangard (ラ ン ガ ー De), O- ethyls O-4- (nitrobenzophenone) phenyl sulphur
For phosphonate ester (EPN), metrifonate, Folithion, basudin, Thiometan (エ ス ト ッ Network ス), disulfoton (ダ イ シ ス ト Application), horse
Draw sulphur phosphorus, thiometon (エ カ チ Application), methidathion, accephate etc., the herbicide of organochlorine class, insecticide (chloroneb,
DDVP, hexachloro-benzene, hexachlorocyclohexanes (α-HCH, β-HCH) etc.), herbicide (benthiocarb, the mefenacet of carbamate system
Deng), herbicide (chlorine nitre phenol etc.), phenolic (trichlorophenol, 2,4,6,-T etc.), alkyl phenols (4- tert-butyl phenols, the 4- positive penta of diphenyl ether system
Base phenol, 4- n-hexyls phenol, 4- heptylphenols, 4- tert-octyl phenols, 4- n-octyls phenol, nonyl phenol etc.).
Embodiment
Hereinafter, the present invention is further illustrated using embodiment, but the invention is not restricted to following embodiments.
Embodiment 1
Photocatalyst supports the manufacture of the sample 1-1 of 1 type of magnetic substance
The manufacture of stratum nucleare (Mn- ferrites) containing magnetic material
Using as the iron oxide Fe of the 1.2kg of raw material2O3(average grain diameter:0.6 μm) and 0.47kg mangano-manganic oxide
Mn3O4(average grain diameter:0.9 μm) it is added in the 1wt% polycarboxylic acids aqueous ammoniums of 1.0kg to make mixture.Use wet type ball
Grinding machine (media particle size 2mm) is mixed obtained mixture, pulverization process, produces Fe2O3And Mn3O4Slurry.Profit
Obtained slurry is dried to obtain xeraphium with spray dryer (hot blast temperature is 120 DEG C).It will be obtained using electric furnace
Xeraphium in a nitrogen atmosphere with 1200 DEG C fire 5 it is small when.By obtained burned product carry out pulverization process after, with vibrating screen into
Row classification, obtains the powder that particle diameter is 50 μm.Obtained ferrite particles are kept in 500 DEG C of rotary electric furnace is remained
1 it is small when, to the ferrite surface implement oxide film thereon processing, obtain Mn- ferrite particles.The Mn- ferrite particles solutions is broken,
It is classified with vibrating screen, carries out granularity and adjust so that average grain diameter is 35 μm.
By the component with siloxane unit of 2g:Silicones (SHIN-ETSU HANTOTAI's Chemical Co., Ltd. manufacture, ProductName:KR-
220LP) and 10g 2- propyl alcohol (2-PrOH) solution using general purpose ultrasound ripple homogenizer (Japan essence mechanism make manufactured by,
ULTRASONICGENERATOR) disperseed 5 minutes with 50 μ A, modulate the shell material feed liquid of 12g.By the shell material feed liquid of obtained 12g
Addition is mixed into the above-mentioned average grain diameters of 100g, then using stirring
Machine (AS ONE are manufactured, Auto cell master CM-200) is mixed to mix 10 minutes with rotating speed 10000rpm.In obtained mixing
Mixing anatase-type titanium oxide (manufacture of Chemical Co., Ltd of empire, the ProductName of 10g is added in thing:TKP-101 (primary particle diameters
For 6nm), then mixed 10 minutes with rotating speed 10000rpm using above-mentioned mixer.Obtained powder is small with 40 DEG C of dryings 24
When and after removing 2- propyl alcohol, add pure water, disperse 5 minutes with 50 μ A to be cleaned using above-mentioned general purpose ultrasound ripple homogenizer,
The component for the magnet adsorption being commercially available only is recycled, is dried at 40 DEG C and obtains the sample 1-1 of 112g.
Embodiment 2
Photocatalyst supports the manufacture of the sample 1-2 of 1 type of magnetic substance
By the component with siloxane unit of 2g:Silicones (SHIN-ETSU HANTOTAI's Chemical Co., Ltd. manufacture, ProductName:KR-
220LP) the 2- propyl alcohol with 10g is disperseed 5 minutes using above-mentioned general purpose ultrasound ripple homogenizer with 50 μ A, modulates the shell material of 12g
Liquid.The addition of the shell material feed liquid of obtained 12g is mixed into the stratum nucleare containing magnetic material that the average grain diameter of 100g is 35 μm
In (Mn- ferrites), then mixed 10 minutes with rotating speed 10000rpm using above-mentioned mixer.Added in obtained mixture
Mix anatase-type titanium oxide (manufacture of Chemical Co., Ltd of empire, the ProductName of 10g:TKP-102 (primary particle diameter 15nm),
Then mixed 10 minutes with rotating speed 10000rpm using above-mentioned mixer.By obtained powder with 40 DEG C it is dry 24 it is small when and remove
After 2- propyl alcohol, pure water is added, disperses 5 minutes to be cleaned with 50 μ A using above-mentioned general purpose ultrasound ripple homogenizer, only recycles quilt
The component of commercially available magnet adsorption, the sample 1-2 of 112g is obtained with 40 DEG C of dryings.
Embodiment 3
Photocatalyst supports the manufacture of the sample 1-3 of 1 type of magnetic substance
By the component with siloxane unit of 2g:Silicones (SHIN-ETSU HANTOTAI's Chemical Co., Ltd. manufacture, ProductName:KR-
220LP) the 2- propyl alcohol with 10g is disperseed 5 minutes using above-mentioned general purpose ultrasound ripple homogenizer with 50 μ A, modulates shell material feed liquid.Will
Stratum nucleare (the Mn- iron element containing magnetic material that the average grain diameter that the shell material feed liquid addition of obtained 12g is mixed into 100g is 35 μm
Body) in, then mixed 10 minutes with rotating speed 10000rpm using above-mentioned mixer.The addition mixing 10g in obtained mixture
Anatase-type titanium oxide (Chemical Co., Ltd of empire manufacture, ProductName:TITANIXJA-1 primary particle diameters are 180nm), then
Mixed 10 minutes with rotating speed 10000rpm using above-mentioned mixer.By obtained powder with 40 DEG C it is dry 24 it is small when and remove 2- third
After alcohol, add pure water and use above-mentioned general purpose ultrasound ripple homogenizer, disperse 5 minutes to be cleaned with 50 μ A, only recycle by city
The component for the magnet adsorption sold, the sample 1-3 of 112g is obtained with 40 DEG C of dryings.
Embodiment 4
Photocatalyst supports the manufacture of the sample 1-4 of 1 type of magnetic substance
By the component with siloxane unit of 2g:Silicones (SHIN-ETSU HANTOTAI's Chemical Co., Ltd. manufacture, ProductName:KR-
220LP) the 2- propyl alcohol with 10g is disperseed 5 minutes using above-mentioned general purpose ultrasound ripple homogenizer with 50 μ A, modulates the shell material of 12g
Liquid.The addition of the shell material feed liquid of obtained 12g is mixed into the stratum nucleare containing magnetic material that the average grain diameter of 100g is 35 μm
In (Mn- ferrites), then mixed 10 minutes with rotating speed 10000rpm using above-mentioned mixer.Added in obtained mixture
The Pt of mixing 10g supports tungsten oxide photocatalyst (primary particle diameter 130nm), then using above-mentioned mixer with rotating speed 10000rpm
Mixing 10 minutes.By obtained powder with 40 DEG C it is dry 24 it is small when and after removing 2- propyl alcohol, pure water is added, using above-mentioned general super
Sound wave homogenizer disperses 5 minutes to be cleaned with 50 μ A, only recycles the component for the magnet adsorption being commercially available, and is done with 40 DEG C
It is dry and obtain the sample 1-4 of 112g.
In addition, making Pt as follows supports tungsten oxide photocatalyst.
By the commercially available tungsten oxide (WO of 5g3, manufactured by the research of Co., Ltd. high-purity chemical) it is distributed in the water of 50mL, make
Disperse after five minutes, to be pressed with centrifugal separator (H-201F, Kokusan are manufactured) with 50 μ A with above-mentioned general purpose ultrasound ripple homogenizer
The rotary speed of 3000rpm separated the big particle precipitation of particle diameter with 5 minutes.By the tungsten oxide particle of obtained 5g, (particle diameter is
0.13 μm) water of 50mL is scattered in, chloroplatinic acid aqueous solution (H is added wherein2PtCl6) cause Pt relative to tungsten oxide particle
100g is 0.5g, and is stirred, and is then filtered, is water cleaning, dry, the Pt for thus obtaining particle shape supports tungsten oxide light
Catalyst.
Embodiment 5
Photocatalyst supports the manufacture of the sample 2-1 of 2 type of magnetic substance
By the component with siloxane unit of 2g:Silicones (SHIN-ETSU HANTOTAI's Chemical Co., Ltd. manufacture, ProductName:KR-
220LP), (Chemical Co., Ltd of empire manufactures the anatase-type titanium oxide of 10g, ProductName:TKP-101 primary particle diameters are 6nm)
And the 2- propyl alcohol of 10g is disperseed 5 minutes using above-mentioned general purpose ultrasound ripple homogenizer with 50 μ A, modulates shell material feed liquid.It will obtain
The addition of shell material feed liquid to be mixed into the average grain diameter of 100g be in 35 μm of the stratum nucleare (Mn- ferrites) containing magnetic material, so
Mixed 10 minutes with rotating speed 10000rpm using above-mentioned mixer afterwards.By obtained powder with 40 DEG C it is dry 24 it is small when and remove 2-
After propyl alcohol, pure water is added, disperses 5 minutes to be cleaned with 50 μ A using above-mentioned general purpose ultrasound ripple homogenizer, only recycles by city
The component for the magnet adsorption sold, with 40 DEG C are dried and obtain the sample 2-1 of 112g.
Embodiment 6
Photocatalyst supports the manufacture of the sample 2-2 of 2 type of magnetic substance
By the component with siloxane unit of 2g:Silicones (SHIN-ETSU HANTOTAI's Chemical Co., Ltd. manufacture, ProductName:KR-
220LP), (Chemical Co., Ltd of empire manufactures the anatase-type titanium oxide of 10g, ProductName:TKP-102 primary particle diameters are 15nm)
And the 2- propyl alcohol of 10g is disperseed 5 minutes using above-mentioned general purpose ultrasound ripple homogenizer with 50 μ A, modulates shell material feed liquid.It will obtain
The addition of shell material feed liquid to be mixed into the average grain diameter of 100g be in 35 μm of the stratum nucleare (Mn- ferrites) containing magnetic material, so
Mixed 10 minutes with rotating speed 10000rpm using above-mentioned mixer afterwards.By obtained powder with 40 DEG C it is dry 24 it is small when and remove 2-
After propyl alcohol, pure water is added, disperses 5 minutes to be cleaned with 50 μ A using above-mentioned general purpose ultrasound ripple homogenizer, only recycles by city
The component for the magnet adsorption sold, with 40 DEG C are dried and obtain the sample 2-2 of 112g.
Embodiment 7
Photocatalyst supports the manufacture of the sample 2-3 of 2 type of magnetic substance
By the component with siloxane unit of 2g:Silicones (SHIN-ETSU HANTOTAI's Chemical Co., Ltd. manufacture, ProductName:KR-
220LP), (Chemical Co., Ltd of empire manufactures the anatase-type titanium oxide of 10g, ProductName:TITANIX JA-1 primary particle diameters are
180nm) and the 2- propyl alcohol of 10g is disperseed 5 minutes using above-mentioned general purpose ultrasound ripple homogenizer with 50 μ A, modulates shell material feed liquid.
It is 35 μm of the stratum nucleare (Mn- ferrites) containing magnetic material by the average grain diameter that the addition of obtained shell material feed liquid is mixed into 100g
In, then mixed 10 minutes with rotating speed 10000rpm using above-mentioned mixer.By obtained powder with 40 DEG C it is dry 24 it is small when and
After removing 2- propyl alcohol, pure water is added, disperses 5 minutes to be cleaned with 50 μ A using above-mentioned general purpose ultrasound ripple homogenizer, only returns
The component for the magnet adsorption being commercially available is received, with 40 DEG C are dried and obtain the sample 2-3 of 112g.
Embodiment 8
Photocatalyst supports the manufacture of the sample 2-4 of 2 type of magnetic substance
By the component with siloxane unit of 2g:Silicones (SHIN-ETSU HANTOTAI's Chemical Co., Ltd. manufacture, ProductName:KR-
220LP), the Pt of 10g support tungsten oxide photocatalyst (primary particle diameter 130nm) and 10g 2- propyl alcohol use it is above-mentioned general super
Sound wave homogenizer is disperseed 5 minutes with 50 μ A, modulates shell material feed liquid.The addition of obtained shell material feed liquid is mixed into being averaged for 100g
Particle diameter is in 35 μm of the stratum nucleare (Mn- ferrites) containing magnetic material, then using above-mentioned mixer with rotating speed 10000rpm
Mixing 10 minutes.By obtained powder with 40 DEG C it is dry 24 it is small when and after removing 2- propyl alcohol, pure water is added, using above-mentioned general super
Sound wave homogenizer disperses 5 minutes to be cleaned with 50 μ A, only recycles the component for the magnet adsorption being commercially available, and is done with 40 DEG C
It is dry and obtain the sample 2-4 of 112g.
Embodiment 9
Photocatalyst supports the manufacture of the sample 3-1 of 3 type of magnetic substance
By the component with siloxane unit of 2g:Silicones (SHIN-ETSU HANTOTAI's Chemical Co., Ltd. manufacture, ProductName:KR-
220LP), (Chemical Co., Ltd of empire manufactures the anatase-type titanium oxide of 2g, ProductName:TKP-101 primary particle diameters are 6nm) with
And the 2- propyl alcohol of 10g is disperseed 5 minutes using above-mentioned general purpose ultrasound ripple homogenizer with 50 μ A, modulates shell material feed liquid.By what is obtained
In 35 μm of the stratum nucleare (Mn- ferrites) containing magnetic material, then the average grain diameter that the addition of shell material feed liquid is mixed into 100g is
Mixed 10 minutes with rotating speed 10000rpm using above-mentioned mixer.The Detitanium-ore-type oxygen of addition mixing 8g in obtained mixture
Changing titanium, (Chemical Co., Ltd of empire manufactures, ProductName:TKP-101 primary particle diameters are 6nm), then using above-mentioned mixer to turn
Fast 10000rpm is mixed 10 minutes.By obtained powder with 40 DEG C it is dry 24 it is small when and after removing 2- propyl alcohol, add pure water, use
Above-mentioned general purpose ultrasound ripple homogenizer disperses 5 minutes to be cleaned with 50 μ A, only recycles the component for the magnet adsorption being commercially available, with
40 DEG C are dried and obtain the sample 3-1 of 112g.
Embodiment 10
Photocatalyst supports the manufacture of the sample 3-2 of 3 type of magnetic substance
By the component with siloxane unit of 2g:Silicones (SHIN-ETSU HANTOTAI's Chemical Co., Ltd. manufacture, ProductName:KR-
220LP), (Chemical Co., Ltd of empire manufactures the anatase-type titanium oxide of 2g, ProductName:TKP-102 primary particle diameters are 15nm)
And the 2- propyl alcohol of 10g is disperseed 5 minutes using above-mentioned general purpose ultrasound ripple homogenizer with 50 μ A, modulates shell material feed liquid.It will obtain
The addition of shell material feed liquid to be mixed into the average grain diameter of 100g be in 35 μm of the stratum nucleare (Mn- ferrites) containing magnetic material, so
Mixed 10 minutes with rotating speed 10000rpm using above-mentioned mixer afterwards.The Detitanium-ore-type of addition mixing 8g in obtained mixture
(Chemical Co., Ltd of empire manufactures titanium oxide, ProductName:TKP-102 primary particle diameters are 15nm), then using above-mentioned mixer
Mixed 10 minutes with rotating speed 10000rpm.By obtained powder with 40 DEG C it is dry 24 it is small when and after removing 2- propyl alcohol, add pure water,
Disperse 5 minutes with 50 μ A to be cleaned using above-mentioned general purpose ultrasound ripple homogenizer, only recycle the magnet adsorption that is commercially available into
Point, with 40 DEG C are dried and obtain the sample 3-2 of 112g.
Embodiment 11
Photocatalyst supports the manufacture of the sample 3-3 of 3 type of magnetic substance
By the component with siloxane unit of 2g:Silicones (SHIN-ETSU HANTOTAI's Chemical Co., Ltd. manufacture, ProductName:KR-
220LP), (Chemical Co., Ltd of empire manufactures the anatase-type titanium oxide of 2g, ProductName:TITANIXJA-1 primary particle diameters are
180nm) and the 2- propyl alcohol of 10g is disperseed 5 minutes using above-mentioned general purpose ultrasound ripple homogenizer with 50 μ A, modulates shell material feed liquid.
It is 35 μm of the stratum nucleare (Mn- ferrites) containing magnetic material by the average grain diameter that the addition of obtained shell material feed liquid is mixed into 100g
In, then mixed 10 minutes with rotating speed 10000rpm using above-mentioned mixer.Addition mixing 8g's is sharp in obtained mixture
(Chemical Co., Ltd of empire manufactures titanium ore type titanium oxide, ProductName:TITANIXJA-1 primary particle diameters are 180nm), then use
Above-mentioned mixer is mixed 10 minutes with rotating speed 10000rpm.By obtained powder with 40 DEG C it is dry 24 it is small when and remove 2- propyl alcohol
Afterwards, pure water is added, disperses 5 minutes with 50 μ A to be cleaned using above-mentioned general purpose ultrasound ripple homogenizer, only recycling is commercially available
The component of magnet adsorption, with 40 DEG C are dried and obtain the sample 3-3 of 112g.
Embodiment 12
Photocatalyst supports the manufacture of the sample 3-4 of 3 type of magnetic substance
By the component with siloxane unit of 2g:Silicones (SHIN-ETSU HANTOTAI's Chemical Co., Ltd. manufacture, ProductName:KR-
220LP), the Pt of 2g supports tungsten oxide photocatalyst (primary particle diameter 130nm) and the 2- propyl alcohol of 10g uses above-mentioned general purpose ultrasound
Ripple homogenizer is disperseed 5 minutes with 50 μ A, modulates shell material feed liquid.
It is 35 μm of the stratum nucleare containing magnetic material by the average grain diameter that the addition of obtained shell material feed liquid is mixed into 100g
In (Mn- ferrites), then mixed 10 minutes with rotating speed 10000rpm using above-mentioned mixer.
The Pt of addition mixing 8g supports tungsten oxide photocatalyst (primary particle diameter 130nm) in obtained mixture, then
Mixed 10 minutes with rotating speed 10000rpm using above-mentioned mixer.By obtained powder with 40 DEG C it is dry 24 it is small when and remove 2- third
After alcohol, pure water is added, disperses 5 minutes with 50 μ A to be cleaned using above-mentioned general purpose ultrasound ripple homogenizer, only recycling is commercially available
Magnet adsorption component, with 40 DEG C are dried and obtain the sample 3-4 of 112g.
Embodiment 13
Photocatalyst supports the manufacture of the sample 3-5 of 3 type of magnetic substance
Except being contained using iron powder core that the average grain diameter of 100g is 35 μm to replace the average grain diameter of 100g to be 35 μm
Beyond the stratum nucleare (Mn- ferrites) of magnetic material, obtain 112g's with the condition that the manufacture of the sample 3-1 with embodiment 9 is identical
Sample 3-5.
Comparative example 1
Compare the manufacture of sample 1
By the anatase-type titanium oxide of 10g, (Chemical Co., Ltd of empire manufactures, ProductName:TKP-101 primary particle diameters are
6nm) pure water with 10g is disperseed 5 minutes using above-mentioned general purpose ultrasound ripple homogenizer with 50 μ A, modulates shell material feed liquid.It will obtain
The addition of shell material feed liquid to be mixed into the average grain diameter of 100g be in 35 μm of the stratum nucleare (Mn- ferrites) containing magnetic material, so
Mixed 10 minutes with rotating speed 10000rpm using above-mentioned mixer afterwards.By obtained powder with 40 DEG C it is dry 24 it is small when after, add
Pure water, disperses 5 minutes to be cleaned with 50 μ A using above-mentioned general purpose ultrasound ripple homogenizer, only recycles the magnet adsorption being commercially available
Component, with 40 DEG C are dried and obtain the comparison sample 1 of 110g.
Comparative example 2
Compare the manufacture of sample 2
Except being contained using iron powder core that the average grain diameter of 100g is 35 μm to replace the average grain diameter of 100g to be 35 μm
Beyond the stratum nucleare (Mn- ferrites) of magnetic material, the comparison of 110g is obtained with the condition that the comparison sample 1 with comparative example 1 is identical
Sample 2.
Comparative example 3
Compare the manufacture of sample 3
By the anatase-type titanium oxide of 10g, (Chemical Co., Ltd of empire manufactures, ProductName:TKP-101 primary particle diameters are
6nm) pure water with 10g is disperseed 5 minutes using above-mentioned general purpose ultrasound ripple homogenizer with 50 μ A, and it is 50wt% to modulate solid constituent
Shell material feed liquid (comparing sample 3) 20g use.
Photocatalyst supports the methylenum careuleum color fading test of magnetic substance
In photocatalyst supports the measure of methylenum careuleum colour fading rate of magnetic substance, by embodiment 1~13 and comparative example 1,2
Photocatalyst supports magnetic substance sample 1g and the methylenum careuleum trihydrate aqueous solution 30mL of 20 μm of ol/L is inserted in glass container, and one
While air is sent into liquid with 0.1L/min while with the ultraviolet lamp (AS ONE are manufactured, model LUV-16) of 365nm from
It is irradiated at liquid level 50mm.
Supernatant is recycled from the sample after methylenum careuleum reagent dissociation, (Shimadzu Seisakusho Ltd. manufactures, UV- with spectrophotometer
2450) transmissivity measure is carried out in wavelength region 380-780nm to the supernatant.
Supernatant after during to transmissivity at peak value 663nm of the aqueous solution of methylene blue of pre-irradiation and small irradiation 24 is at peak
Transmissivity at value wavelength 663nm is measured, and obtains the resolution ratio of methylenum careuleum reagent.
In the case of comparative example 3, photocatalyst is not supported with magnetic material, and therefore, comparing sample 3, (solid constituent is
The shell liquid of 50wt%) in metering used for 0.178g.
The evaluation that photocatalyst supports the methylenum careuleum color fading test of magnetic substance is evaluated according to following metewand.
A:The transmissivity of methylenum careuleum is less than more than 70% 100%
B:The transmissivity of methylenum careuleum is more than 20% and less than 70%
C:The transmissivity of methylenum careuleum is more than 0% and less than 20%
Photocatalyst supports the confirmation of the recycling of magnetic substance
Photocatalyst is only adsorbed from the sample after above-mentioned methylenum careuleum reagent dissociation support magnetic substance examination with the magnet of 0.3 tesla
Material, after removing supernatant, has recycled photocatalyst and has supported magnetic substance.Each photocatalyst recycled is supported into magnetic substance and 20 μm of ol/L
Methylenum careuleum trihydrate aqueous solution 30mL insert in glass container, while by air with 0.1L/min be sent into liquid in while using
The ultraviolet lamp (AS ONE are manufactured, model LUV-16) of 365nm is irradiated at the 50mm of chaotropic face.To pre-irradiation and irradiation
24 it is small when after transmissivity of the methylenum careuleum reagent at peak wavelength 663nm be measured, obtain the resolution ratio of methylenum careuleum reagent.
Identical operation is repeated, obtains the 2nd time, the resolution ratio of the methylenum careuleum reagent of the 3rd time.If the 2nd time, the methylene of the 3rd time
Blue resolution ratio declines, then means that photocatalyst supports magnetic substance from photocatalyst and departed from, be removed together with supernatant.
In the case of comparative example 3, it is difficult to carry out the recycling of photocatalyst, therefore supernatant is not removed when confirming recycling property
Liquid, adds methylenum careuleum reagent to carry out the confirmation of the resolution ratio of methylenum careuleum reagent as additional.
The confirmation that photocatalyst supports the recycling of magnetic substance is according to being evaluated according to following metewand.
A:The transmissivity of methylenum careuleum is less than more than 70% 100%
B:The transmissivity of methylenum careuleum is more than 20% and less than 70%
C:The transmissivity of methylenum careuleum is more than 0% and less than 20%
Photocatalyst is only adsorbed from the sample after methylenum careuleum reagent dissociation support magnetic substance sample with the magnet of 0.3 tesla,
After removing supernatant, recycling photocatalyst supports magnetic substance, is dried with 40 DEG C, judges that photocatalyst supports according to following benchmark
The rate of recovery of magnetic substance.
In the case of comparative example 3, it is difficult to the recycling of photocatalyst is carried out with magnet, therefore in the recycling of photocatalyst, is used
Centrifugal separator (H-201F, Kokusan are manufactured) carries out after carrying out the sedimentation separation of 10 minutes with the rotary speed of 10000rpm
Recycling, is dried with 40 DEG C.
A:The rate of recovery is less than more than 99 100%
B:The rate of recovery is more than 90 and less than 99%
C:The rate of recovery is more than 0 and less than 90%
By the photocatalyst of the embodiment 1~13 recycled and comparative example 1,2 support magnetic substance be put into pure water 30mL take care of 3
After a month, confirm that the photocatalyst is smooth by visual observation and hold magnetic substance whether there is generation corrosion and photocatalyst whether there is disengaging.Then, using 20
The methylenum careuleum trihydrate aqueous solution 30mL of μm ol/L is identical with the recycling confirmation that magnetic substance is supported with above-mentioned photocatalyst
Method confirms recycling property, judges whether to continue to use for a long time according to following benchmark.
A:Non-corroding occurs, and no photocatalyst departs from.And the transmissivity of methylenum careuleum is less than more than 70% 100%
B:Non-corroding occurs, and no photocatalyst departs from.And the transmissivity of methylenum careuleum is more than 20% and less than 70%
C:There is corrosion to occur or have photocatalyst disengaging.And the transmissivity of methylenum careuleum is more than 0% and less than 20%
If the resolution ratio of methylenum careuleum declines, mean that photocatalyst supports magnetic substance hair from photocatalyst in long-term preserve
Disengaging has been given birth to, has been removed together with supernatant.
In the case of comparative example 3, do not include and depart from without corrosion occurs, whether there is photocatalyst, therefore do not implement, and only into
Row methylenum careuleum color fading test.
Overall merit
Overall merit is carried out with following judgement benchmark to above-mentioned each assessment item.
A:Well:Above-mentioned each evaluation result is " A ", not comprising " B ", " C ".
C:It is bad:In above-mentioned each evaluation result, any one in " B " and " C " is included.Or include both.
The sample 1-1 (embodiment 1), sample 1-2 (embodiment 2), sample of 1 type of magnetic substance are supported to the photocatalyst produced
1-3 (embodiment 3), sample 1-4 (embodiment 4), photocatalyst support sample 2-1 (embodiment 5), the sample 2-2 of 2 type of magnetic substance
The sample 3-1 that (embodiment 6), sample 2-3 (embodiment 7), sample 2-4 (embodiment 8), photocatalyst support 3 type of magnetic substance (is implemented
Example 9), sample 3-2 (embodiment 10), sample 3-3 (embodiment 11), sample 3-4 (embodiment 12), sample 3-5 (embodiment 13)
And compare sample 1 (comparative example 1), compare sample 2 (comparative example 2), compare sample 3 (comparative example 3) progress methylenum careuleum colour fading examination
Test the overall merit for the recycling that magnetic substance is supported with photocatalyst.
Above-mentioned each evaluation result is set shown in table 1.
Table 1 shows evaluation result.
[table 1]
It was found from the evaluation result shown in table 1, in the photocatalyst of comparative example 1,2 supports magnetic substance, Detitanium-ore-type oxidation
Titanium is more from the stratum nucleare disengaging containing magnetic material, and photocatalyst supports decomposition of the magnetic substance to methylenum careuleum in recycling confirming performance
In be reduce.In addition, do not include the component with siloxane unit in comparative example 2 and surface appearance has been used in stratum nucleare
Iron powder oxidizable and that corrosion occurs, therefore there occurs corrosion during long-term keeping in water.The photocatalyst load of comparative example 3
It is the anatase-type titanium oxide itself not comprising the stratum nucleare containing magnetic material to carry magnetic substance, thus it is recycled after recycling
Rate is low, and nearly half is contained within supernatant water.
Industrial utilizability
The photocatalyst of the present invention supports the purification that magnetic physical efficiency is used to include the water of following cleaning procedure:Make above-mentioned photocatalyst
Support magnetic substance to be distributed in water, irradiation light activates photocatalyst, decomposes compound present in above-mentioned water.In addition, it is used for water
The photocatalyst of purification support magnetic physical efficiency and moved, recycled using magnet, then by washing and/or drying process into
Row regeneration, is re-used for the purification of water.
Claims (11)
1. a kind of photocatalyst supports magnetic substance, there is core shell structure, it is characterised in that
Stratum nucleare containing magnetic material is covered by shell, and above-mentioned shell follows from what is selected in shell:Including at least with silicon
The component of oxygen alkane unit and the shell of photocatalyst;Shell comprising the component with siloxane unit and including at least photocatalyst
Shell;And including at least the component with siloxane unit and the shell of photocatalyst and the shell including at least photocatalyst.
2. photocatalyst according to claim 1 supports magnetic substance,
The above-mentioned component with siloxane unit includes at least silicones.
3. photocatalyst according to claim 1 or 2 supports magnetic substance,
Above-mentioned magnetic material is ferrite.
4. the photocatalyst described in any one in claims 1 to 3 supports magnetic substance,
Above-mentioned photocatalyst include titanium oxide either tungsten oxide or both.
5. a kind of photocatalyst supports the manufacture method of magnetic substance, it is characterised in that
It is any in the claims 1 to 4 including being covered with the shell comprising the component with siloxane unit and photocatalyst
The process of the stratum nucleare containing magnetic material described in one.
6. photocatalyst according to claim 5 supports the manufacture method of magnetic substance,
The process covered with above-mentioned shell includes:The process covered with the layer comprising the component with siloxane unit;With
And the process covered with the layer comprising the component with photocatalyst function.
A kind of 7. water purification method, it is characterised in that
Including:Cleaning procedure, makes the photocatalyst described in any one in the claims 1 to 4 support magnetic substance and is distributed to
In water, irradiation light activates photocatalyst, decomposes compound present in above-mentioned water.
8. water purification method according to claim 7,
Be in above-mentioned water life or plant drainage storage cistern water in.
9. the water purification method according to claim 7 or 8,
Include the use of magnet and above-mentioned photocatalyst is supported into the process that magnetic substance is mobile or recycles.
10. the water purification method described in any one in claim 7 to 9,
Washed and the process of drying process including supporting magnetic substance to above-mentioned photocatalyst.
11. the water purification method described in any one in claim 7 to 10,
Above-mentioned photocatalyst supports magnetic substance and is regenerated by washing and drying process, is carried out in above-mentioned cleaning procedure again sharp
With.
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