JP2010269303A - 光触媒、その製造方法、光反応器及び光分解方法 - Google Patents
光触媒、その製造方法、光反応器及び光分解方法 Download PDFInfo
- Publication number
- JP2010269303A JP2010269303A JP2009255093A JP2009255093A JP2010269303A JP 2010269303 A JP2010269303 A JP 2010269303A JP 2009255093 A JP2009255093 A JP 2009255093A JP 2009255093 A JP2009255093 A JP 2009255093A JP 2010269303 A JP2010269303 A JP 2010269303A
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- JP
- Japan
- Prior art keywords
- photocatalyst
- titanium dioxide
- weight
- parts
- ruthenium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000006303 photolysis reaction Methods 0.000 title claims abstract description 31
- 230000015843 photosynthesis, light reaction Effects 0.000 title abstract description 16
- 238000002360 preparation method Methods 0.000 title abstract 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 169
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 83
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052707 ruthenium Inorganic materials 0.000 claims abstract description 46
- 150000003058 platinum compounds Chemical class 0.000 claims abstract description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 57
- 239000000126 substance Substances 0.000 claims description 37
- 239000002904 solvent Substances 0.000 claims description 35
- 239000000203 mixture Substances 0.000 claims description 31
- 238000004519 manufacturing process Methods 0.000 claims description 28
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 27
- 239000010936 titanium Substances 0.000 claims description 25
- 229910052719 titanium Inorganic materials 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 23
- 239000004094 surface-active agent Substances 0.000 claims description 23
- -1 titanium alkoxide Chemical class 0.000 claims description 22
- 239000007795 chemical reaction product Substances 0.000 claims description 19
- 238000001308 synthesis method Methods 0.000 claims description 16
- 238000005245 sintering Methods 0.000 claims description 14
- 229910052697 platinum Inorganic materials 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 11
- 239000000376 reactant Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 150000002431 hydrogen Chemical group 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 claims description 2
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical compound N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 claims description 2
- 125000000524 functional group Chemical group 0.000 claims description 2
- 239000012855 volatile organic compound Substances 0.000 abstract description 10
- 206010034972 Photosensitivity reaction Diseases 0.000 abstract description 5
- 230000036211 photosensitivity Effects 0.000 abstract description 5
- 239000000975 dye Substances 0.000 description 40
- 230000003287 optical effect Effects 0.000 description 24
- 230000000694 effects Effects 0.000 description 22
- 239000000243 solution Substances 0.000 description 19
- 239000010410 layer Substances 0.000 description 18
- 239000011148 porous material Substances 0.000 description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 13
- 206010037660 Pyrexia Diseases 0.000 description 13
- 239000011230 binding agent Substances 0.000 description 11
- 238000003756 stirring Methods 0.000 description 10
- 239000005416 organic matter Substances 0.000 description 9
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 9
- 125000000217 alkyl group Chemical group 0.000 description 8
- 238000000605 extraction Methods 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 125000004432 carbon atom Chemical group C* 0.000 description 6
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 6
- 229910052753 mercury Inorganic materials 0.000 description 6
- 150000007522 mineralic acids Chemical class 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 description 4
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- HKJYVRJHDIPMQB-UHFFFAOYSA-N propan-1-olate;titanium(4+) Chemical compound CCCO[Ti](OCCC)(OCCC)OCCC HKJYVRJHDIPMQB-UHFFFAOYSA-N 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 238000000194 supercritical-fluid extraction Methods 0.000 description 3
- 230000002194 synthesizing effect Effects 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003377 acid catalyst Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 150000003973 alkyl amines Chemical class 0.000 description 2
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000003113 dilution method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 238000001782 photodegradation Methods 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000012756 surface treatment agent Substances 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 description 1
- GDDNTTHUKVNJRA-UHFFFAOYSA-N 3-bromo-3,3-difluoroprop-1-ene Chemical compound FC(F)(Br)C=C GDDNTTHUKVNJRA-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- FCYWHHAMMDGCCG-UHFFFAOYSA-N C(C)O.[O-]CC.[Al+3].[O-]CC.[O-]CC Chemical compound C(C)O.[O-]CC.[Al+3].[O-]CC.[O-]CC FCYWHHAMMDGCCG-UHFFFAOYSA-N 0.000 description 1
- PSGGLSHYPIONJR-UHFFFAOYSA-N C(CCC)O.C(CCC)[O-].[Al+3].C(CCC)[O-].C(CCC)[O-] Chemical compound C(CCC)O.C(CCC)[O-].[Al+3].C(CCC)[O-].C(CCC)[O-] PSGGLSHYPIONJR-UHFFFAOYSA-N 0.000 description 1
- 125000006539 C12 alkyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- CXRVNRVRMMXKKA-UHFFFAOYSA-N CC(C)O[Ti+2]OC(C)C Chemical compound CC(C)O[Ti+2]OC(C)C CXRVNRVRMMXKKA-UHFFFAOYSA-N 0.000 description 1
- FYOXIXXCUXARLS-UHFFFAOYSA-N CCC[O-].CCC[O-].CCC[O-].CCCO.[Al+3] Chemical compound CCC[O-].CCC[O-].CCC[O-].CCCO.[Al+3] FYOXIXXCUXARLS-UHFFFAOYSA-N 0.000 description 1
- 208000005623 Carcinogenesis Diseases 0.000 description 1
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- 231100000597 Sick building syndrome Toxicity 0.000 description 1
- JHZFYDXXWXXVRM-UHFFFAOYSA-N [W+6].CC[O-].CC[O-].CC[O-].CC[O-].CC[O-].CC[O-] Chemical compound [W+6].CC[O-].CC[O-].CC[O-].CC[O-].CC[O-].CC[O-] JHZFYDXXWXXVRM-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229940045985 antineoplastic platinum compound Drugs 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 1
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000036952 cancer formation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 231100000504 carcinogenesis Toxicity 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- XTHPWXDJESJLNJ-UHFFFAOYSA-N chlorosulfonic acid Substances OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- ASBGGHMVAMBCOR-UHFFFAOYSA-N ethanolate;zirconium(4+) Chemical compound [Zr+4].CC[O-].CC[O-].CC[O-].CC[O-] ASBGGHMVAMBCOR-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
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- 239000002920 hazardous waste Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- YQXQWFASZYSARF-UHFFFAOYSA-N methanol;titanium Chemical compound [Ti].OC YQXQWFASZYSARF-UHFFFAOYSA-N 0.000 description 1
- ITNVWQNWHXEMNS-UHFFFAOYSA-N methanolate;titanium(4+) Chemical compound [Ti+4].[O-]C.[O-]C.[O-]C.[O-]C ITNVWQNWHXEMNS-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical class [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical group [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- XPGAWFIWCWKDDL-UHFFFAOYSA-N propan-1-olate;zirconium(4+) Chemical compound [Zr+4].CCC[O-].CCC[O-].CCC[O-].CCC[O-] XPGAWFIWCWKDDL-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
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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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/46—Ruthenium, rhodium, osmium or iridium
-
- 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
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
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- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/42—Platinum
-
- 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
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/1616—Coordination complexes, e.g. organometallic complexes, immobilised on an inorganic support, e.g. ship-in-a-bottle type catalysts
-
- 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
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
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- B01J31/181—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine
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Abstract
【解決手段】二酸化チタンを含有するコア部及び前記コア部の表面に形成され、ルテニウム系染料及び白金化合物を含有するドーピング部を含む光触媒、上記の製造方法、光反応器及び光分解方法に関する。
【選択図】図1
Description
以下、本発明に係る光触媒を詳しく説明する。
また、上記白金化合物の含量も特に制限されないが、例えば、二酸化チタン100重量部に対して、0.01重量部〜2重量部の量で含有され得る。
具体的な例は、本発明に係る光触媒がコートされたコート層に揮発性有機物を供給し、紫外線を照射する場合、約95%以上の光分解能を表すことができる。
工程A)で混合物に含有された溶媒及びチタンアルコキシドの種類は特に制限されなく、例えば、上記工程1)及び工程2)を含む合成法の工程1)で使用される反応物に含有された溶媒及びチタンアルコキシドのような物質を使用することができる。
即ち、工程A)で得られた反応物を熱処理し、活性炭を燃焼させ、二酸化炭素で排出させることによって、二酸化チタンの内部に微細気孔を形成した活性炭を分離除去することができる。
光分解能は、気体クロマトグラフィー-質量分光分析器とUV/VIS分光分析器を用いて、気体中に存在する有機物の濃度を測定し、試験した。GC−質量分光分析器は米国ヒューレット・パッカード社のHP−6890を使用しており、UV/VIS分光分析器は日本島津(Shimadzu)社のUV−160Aを使用した。光分解能は下記数式1によって求めた。
分解能(%)=除去された有機物の濃度/初期有機物の濃度
光触媒の比表面積は、米国Beckman Coulter社のSA3100 Plusを使用しており、試料は200℃で40分間固定させた後、測定した。
ガラス管表面に固定された光触媒フィルムの膜厚はSEM(scanning electron microscopy, XL30 ESEM-FEG, FEI Co., N.Y., U.S.A.)を使用して測定した。
アルコール100重量部に対して、Ti(OC4H9)43重量部及び炭素数19個で構成されたノナアミン(C19H41N、東京化成工業社製、日本、分子量283.54)8重量部を混合し、60分間、撹拌した後、チタンテトライソプロポキシド(TTIP)0.1重量部を加え、30分間、十分に撹拌しながら反応し、100℃の温度で2時間乾燥した。
エタノール100重量部に対して、TTIP(チタンテトライソプロポキシド)11重量部(15mL)を入れ、30分間撹拌した後、水2.29mLを入れ、120分間反応した。ここに、平均粒径が0.3μmの活性炭5.5重量部を加え、混合した後、超音波処理器で10分間、十分に撹拌した。
上記製造例2に係る二酸化チタンを図2(a)(倍率100倍)及び図2(b)(倍率1500倍)に示した。
上記製造例1で合成された二酸化チタン2.5gを1×10−4Mの濃度でルテニウム535 bis−TBA(Ruthenium 535 bis-TBA;C58H86O8N8S2Ru, Dyesol Co.,)が溶解されている100mLのエタノールに担持させた後、24時間撹拌した。
上記製造例1で合成された二酸化チタン1.5gを実施例1と同様にして、ルテニウム535 bis−TBA(Ruthenium 535 bis-TBA;C58H86O8N8S2Ru, Dyesol Co.,)が溶解されている100mLのエタノールに担持した後、24時間撹拌した。
下記表1に示された条件で光触媒を製造したことを除いては、実施例1及び2と同様にして光触媒を製造した。
直径50mm、長さが1mの円柱状の反応器を利用して、気相アセトンの光分解実験を実施した。この時、光源は水銀ランプ(500W、周波長365nm)を使用しており、反応器内の15個のガラス管を使用した。
100 光分解装置
110 光照射部
111 水銀ランプ
113 集光器
130 光反応器
131 光フィーバー
133 排出口
150 混合物供給部
170 水分供給部
171 湿気発生装置
173 流量計
175 空気圧縮機
Claims (15)
- 二酸化チタンを含有するコア部、及び
前記コア部の表面に形成され、ルテニウム系染料及び白金化合物を含有するドーピング部、を含む、光触媒。 - 前記二酸化チタンは、比表面積が50m2/g〜350m2/gである、請求項1に記載の光触媒。
- 前記ルテニウム系染料は、下記一般式(1)で示される化合物又は上記化合物の塩である、請求項1に記載の光触媒。
RuL2(M)2 (1)
(式中、
Lは、水素、C1〜C12のアルキル基及び−C(=O)OR1(ここで、R1は水素又はテトラブチルアンモニウムである。)からなる群から選択された一つ以上の官能基を含有する2,2’−ビピリジンであり、
Mは、NCS、CN、Cl、Br又はIである。) - 前記白金化合物は、白金又は白金を含有する化合物である、請求項1に記載光触媒。
- 前記二酸化チタン100重量部に対して、前記ルテニウム系染料0.01重量部〜5重量部、及び前記白金化合物0.01重量部〜2重量部、を含む、請求項1に記載の光触媒。
- 前記ルテニウム系染料及び前記白金化合物は、コア部上に順次にドーピングされている、請求項1に記載の光触媒。
- 前記二酸化チタンの表面に、前記ルテニウム系染料及び前記白金化合物をドーピングする工程を含む、請求項1〜6のいずれか1項に記載の光触媒の製造方法。
- 前記二酸化チタンは、
1)溶媒、界面活性剤、及びチタンアルコキシドを含有する反応物から界面活性剤を抽出して分離する工程、及び
2)前記工程1)で界面活性剤が分離された残余反応物を焼結する工程、
を含む第1合成法によって製造される、請求項7に記載の光触媒の製造方法。 - 前記工程1)で、反応物は、溶媒100重量部に対して、界面活性剤2重量部〜25重量部、及びチタンアルコキシド1重量部〜10重量部、を含む、請求項8に記載の光触媒の製造方法。
- 前記二酸化チタンは、
A)溶媒、チタンアルコキシド、及び活性炭を含有する混合物を反応させる工程、及び
B)前記工程A)で得られた反応物を熱処理し、活性炭を燃焼する工程、
を含む第2合成法によって製造される、請求項7に記載の光触媒の製造方法。 - 前記活性炭は、平均粒径が0.1μm〜10μmである、請求項10に記載の光触媒の製造方法。
- 前記工程A)の混合物は、溶媒100重量部に対して、チタンアルコキシド5重量部〜15重量部、及び活性炭0.5重量部〜10重量部、を含む、請求項10に記載の光触媒の製造方法。
- 前記工程B)で、熱処理は400℃〜700℃の温度で遂行する、請求項10に記載の光触媒の製造方法。
- 支持体、及び
前記支持体上に形成され、請求項1〜6のいずれか1項に記載の光触媒を含有する光触媒層、
を含む、光反応器。 - 請求項14に記載の光反応器に、揮発性有機物及び水分を供給する工程を含む、光分解方法。
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US20100294646A1 (en) | 2010-11-25 |
KR101021567B1 (ko) | 2011-03-16 |
KR20100127142A (ko) | 2010-12-03 |
JP5345506B2 (ja) | 2013-11-20 |
EP2263795A1 (en) | 2010-12-22 |
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