CN106861764A - A kind of saliferous magnetic titanium dioxide photochemical catalyst effervescent tablet and preparation method thereof - Google Patents
A kind of saliferous magnetic titanium dioxide photochemical catalyst effervescent tablet and preparation method thereof Download PDFInfo
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- CN106861764A CN106861764A CN201710137662.7A CN201710137662A CN106861764A CN 106861764 A CN106861764 A CN 106861764A CN 201710137662 A CN201710137662 A CN 201710137662A CN 106861764 A CN106861764 A CN 106861764A
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- Prior art keywords
- titanium dioxide
- magnetic
- photochemical catalyst
- effervescent tablet
- saliferous
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 51
- 239000003054 catalyst Substances 0.000 title claims abstract description 45
- 239000007938 effervescent tablet Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 24
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000011780 sodium chloride Substances 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 239000000314 lubricant Substances 0.000 claims abstract description 7
- 239000003826 tablet Substances 0.000 claims abstract description 7
- 235000020985 whole grains Nutrition 0.000 claims abstract description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 25
- 238000011084 recovery Methods 0.000 claims description 24
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000002122 magnetic nanoparticle Substances 0.000 claims description 18
- 230000001699 photocatalysis Effects 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 229910052681 coesite Inorganic materials 0.000 claims description 15
- 229910052906 cristobalite Inorganic materials 0.000 claims description 15
- 235000019441 ethanol Nutrition 0.000 claims description 15
- 229910052682 stishovite Inorganic materials 0.000 claims description 15
- 229910052905 tridymite Inorganic materials 0.000 claims description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 238000013019 agitation Methods 0.000 claims description 10
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 9
- 238000003786 synthesis reaction Methods 0.000 claims description 9
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- 238000007146 photocatalysis Methods 0.000 claims description 7
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 6
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- 235000019359 magnesium stearate Nutrition 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical class CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 3
- ZLXPLDLEBORRPT-UHFFFAOYSA-M [NH4+].[Fe+].[O-]S([O-])(=O)=O Chemical class [NH4+].[Fe+].[O-]S([O-])(=O)=O ZLXPLDLEBORRPT-UHFFFAOYSA-M 0.000 claims description 3
- 235000011037 adipic acid Nutrition 0.000 claims description 3
- 230000032683 aging Effects 0.000 claims description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 claims description 3
- 125000005909 ethyl alcohol group Chemical group 0.000 claims description 3
- 239000008236 heating water Substances 0.000 claims description 3
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- 239000011941 photocatalyst Substances 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 3
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 3
- 229940045872 sodium percarbonate Drugs 0.000 claims description 3
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 claims description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 2
- 239000001361 adipic acid Substances 0.000 claims description 2
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- -1 copolyvidone Polymers 0.000 claims description 2
- 239000000975 dye Substances 0.000 claims description 2
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 2
- 229960005137 succinic acid Drugs 0.000 claims description 2
- 238000001291 vacuum drying Methods 0.000 claims description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims 1
- 238000001354 calcination Methods 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 238000006555 catalytic reaction Methods 0.000 abstract description 6
- 230000015556 catabolic process Effects 0.000 abstract description 5
- 230000003197 catalytic effect Effects 0.000 abstract description 5
- 238000006731 degradation reaction Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 4
- 230000002153 concerted effect Effects 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000007884 disintegrant Substances 0.000 abstract 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 abstract 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 13
- 239000000047 product Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- CXKWCBBOMKCUKX-UHFFFAOYSA-M methylene blue Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 CXKWCBBOMKCUKX-UHFFFAOYSA-M 0.000 description 5
- 229960000907 methylthioninium chloride Drugs 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 241000549556 Nanos Species 0.000 description 3
- 238000004042 decolorization Methods 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 229930185605 Bisphenol Natural products 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910003087 TiOx Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001279 adipic acids Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 239000011943 nanocatalyst Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- HLLICFJUWSZHRJ-UHFFFAOYSA-N tioxidazole Chemical compound CCCOC1=CC=C2N=C(NC(=O)OC)SC2=C1 HLLICFJUWSZHRJ-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/02—Sulfur; Selenium; Tellurium; Compounds thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
- B01J23/74—Iron group metals
- B01J23/745—Iron
-
- 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
- B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
-
- 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
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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
- 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
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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
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
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- Inorganic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
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- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
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Abstract
The present invention discloses a kind of saliferous magnetic titanium dioxide photochemical catalyst effervescent tablet and preparation method thereof, i.e. with sodium chloride, sodium peroxydisulfate, magnetic titanium dioxide, adhesive, effervescent agent, disintegrant, lubricant as main component, magnetic titanium dioxide photochemical catalyst effervescent tablet is prepared by techniques such as inclusion, mixing, whole grain and compressing tablets.Magnetic titanium dioxide effervescent tablet prepared by the technology is used as the photochemical catalyst in water process, with the sodium chloride in effervescent tablet, sodium peroxydisulfate concerted catalysis, catalytic effect is notable, it is uniformly dispersed, improves titanium dioxide optical catalyst and easily reunite when using, the low problem of absorption degradation efficiency, and the property for reclaiming and using is adsorbed and is repeated several times with good selection, reduce the cost of photocatalytic degradation reaction.
Description
Technical field
The invention belongs to chemical technology field, be specifically related to a kind of saliferous magnetic titanium dioxide photochemical catalyst effervescent tablet and
Its preparation method.
Background technology
TiO was found from 19722Since photochemical catalyst decomposition water, TiO2Because of its superior photoreactivity, chemically stable
Property, cheap, repeatable usability, it is considered to be most promising photochemical catalyst and be subject to widely studied.But, TiO2Mesh
Preceding is suspension liquid-phase system using majority, and its advantage is larger specific surface area, and photocatalysis performance is high, but due to nano-TiO2
Grain is small and cause to reclaim difficult, being not only lost in pollutant and caused damage, also easily bring unnecessary secondary pollution, limit
TiO is made2Popularization and application.For disadvantage mentioned above, if by nano magnetic particle and TiO2Combine and be prepared into magnetic TiO2
Photochemical catalyst, then can reach and be realized using externally-applied magnetic field high efficiente callback photochemical catalyst on the basis of catalytic efficiency high is kept
Purpose.TiO in the market2Photocatalyst product, is powdery product, inconvenient, cumbersome using process operation, equal because needing
Effect that is even to be dispersed in water, can be only achieved, this is accomplished by increasing stirring or mixing apparatus.
Patent of invention (application number 201310120096.0) discloses a kind of recyclable magnetic titanium dioxide nano-photo catalytic
The preparation method of agent, it is that raw material is obtained nano magnetic material as kernel to be related to using molysite etc., using silicone grease in alkaline solution
Hydrolysis in one layer of amorphous state silica of magnetic material outer cladding, magnetic silica and titanium salt carry out magnetic two for raw material
The preparation of TiOx nano photochemical catalyst；Patent of invention (application number 201510014384.7) discloses a kind of magnetic titanium dioxide
Composite hollow microballoon and preparation method thereof, including magnetic titanium dioxide is formed during nano magnetic material is dispersed in titanium dioxide
The spherical shell of composite hollow microballoon.Patent of invention (application number 201510741894.4) discloses bis-phenol in a kind of fast degradation waste water
Recyclable magnetic titanium dioxide photochemical catalyst of A and preparation method thereof, including magnetic core, magnetic core are enclosed with intermediate layer SiO2, it is middle
Layer SiO2TiO has been also loaded it outward2Layer.These methods are directed to magnetic and TiO2With reference to correlation technique, final products are magnetic
TiO2Nano material or microballoon, will use stirring or mixing apparatus when in use, increased not convenience, especially be supported in family
Grow is that effect is restricted when sterilizing；Disclosed method is in magnetic TiO simultaneously2In preparation or it is related to high-temperature calcination, have impact on
Magnetic, impacts to subsequent recovery.
The content of the invention
It is an object of the invention to provide a kind of saliferous magnetic titanium dioxide photochemical catalyst effervescent tablet and preparation method thereof, fully
Using salt, peroxide and titanium dioxide optical catalyst concerted catalysis act on, prepare a kind of photocatalysis performance it is excellent, using just
Magnetic TiO that is prompt, being uniformly dispersed, be easily recycled2Effervescent tablet.
The purpose of the present invention is achieved by the following technical programs：Unless otherwise indicated, percentage of the present invention
Number is percetage by weight.
Saliferous magnetic titanium dioxide photochemical catalyst effervescent tablet of the present invention and preparation method thereof, it is characterised in that be by following heavy
Amount part raw material is made：25~35 parts of sodium chloride, 10~15 parts of magnetic titanium dioxide, 5~10 parts of adhesive, effervescent agent 35~50
Part, 10~15 parts of sodium peroxydisulfate, 1~3 part of lubricant.
Described magnetic titanium dioxide includes following preparation process：
①Fe3O4The synthesis of magnetic nano-particle：Weigh 2.05g iron ammonium sulfates and 1.41g ferric trichlorides are dissolved in 50mL
In deionized water, mixed liquor is transferred in there-necked flask, mechanical agitation and heating water bath under nitrogen protection, when reaction solution heating
During to 80 DEG C, ammoniacal liquor, solution colour is added to immediately become black by brown color, room temperature is naturally cooled to after successive reaction 30min,
Its product is separated using additional magnet, is most prepared at last with respectively washing 3~5 times of ethanol and distilled water successively respectively
Fe3O4Magnetic nano-particle is vacuum dried 12h at 50 DEG C, standby；
②SiO2The Fe of parcel3O4The synthesis of magnetic nano-particle：The Fe of 100mg3O4It is dispersed in 80mL ethanol and 20mL water
Mixed liquor in, ultrasonic agitation 30min makes it be uniformly dispersed, and mixed liquor is transferred in there-necked flask, with ammoniacal liquor adjust pH to 9
0.2mL tetraethyl orthosilicates are added afterwards, nitrogen protection mechanical agitation 4h at room temperature are passed through, after the additional magnet of product utilization is collected
3~5 times are respectively washed to neutral with ethanol and distilled water successively, then by obtained SiO2The Fe of parcel3O4Magnetic nano-particle
(industry generally uses Fe3O4@SiO2Mode expresses SiO2The Fe of parcel3O4Magnetic nano-particle) in vacuum drying at 50 DEG C
12h, it is standby；
3. magnetic Nano titanium dioxide (Fe3O4@SiO2@TiO2) synthesis：By step 2. gained Fe3O4@SiO2Sample is put
In 20mL butyl titanates and 100~150mL absolute ethyl alcohols, after ultrasonic disperse 10min, in 40 DEG C of stirred in water bath, it is added dropwise
Volumetric concentration is followed successively by the mixed solution of 6%~24%, 1%~5%, 70%~90% deionized water, nitric acid and ethanol, treats
When hydrolyzing to form colloidal sol, stop stirring；After ageing 1h, thoroughly dried through 80 DEG C, gel is obtained, then at 150 DEG C~200 DEG C
Under, calcine 6~8h, finally grind magnet carried photocatalyst (industry generally use Fe3O4@SiO2@TiO2Mode come express with
Fe3O4Magnetic nano-particle is core, one layer of SiO of outer layer covers2, in SiO2Outer layer wrap up TiO again2Structure type).
Described adhesive is selected from hydroxypropyl cellulose, copolyvidone, polyvinylpyrrolidone, sodium carboxymethylcellulose
It is a kind of.
Described lubricant is selected from the one kind in magnesium stearate and talcum powder.
Described effervescent agent is made up of acid source and carbon dioxide source, and acid source is oxalic acid, adipic acid, butanedioic acid, glutaric acid, ammonia
A kind of in base triacetic acid, carbon dioxide source is two or three in sodium carbonate, sodium acid carbonate, SODIUM PERCARBONATE；Acid source and dioxy
It is 1 to change carbon source ratio:1.3-3:4.1.
Described preparation method is comprised the following steps：
(1) magnetic Nano titanium dioxide (Fe is weighed3O4@SiO2@TiO2), effervescent agent acid source, sodium chloride, sodium peroxydisulfate mix
Close uniform；
(2) particle crosses 20 mesh sieves, whole grain；
(3) effervescent agent carbon dioxide source, adhesive and lubricant are added in particle weight ratio, is mixed, dry, compressing tablet,
Sterilization effervescent tablet is obtained.
A kind of saliferous magnetic titanium dioxide photochemical catalyst effervescent tablet is used for magnetic, dyestuff degraded photocatalysis performance, the rate of recovery
And recovery utilization rate evaluation.
Relative to prior art, the present invention has following remarkable advantage：
1st, the present invention prepare saliferous magnetic titanium dioxide photochemical catalyst effervescent tablet, make use of sodium chloride, sodium peroxydisulfate with
TiO2Photochemical catalyst acts synergistically, and has obvious photocatalysis facilitation.
2nd, the features such as product has visible light-responded, easy recovery, degradation rate is high, solves powder nanometer catalyst and reclaims tired
Difficult problem.
3rd, make full use of effervescent tablet good dispersion, use simply and easily feature.
4th, product has preferable magnetic, easily reclaims, while having preferable photocatalytic activity.
Brief description of the drawings：
Hysteresis curve (a) Fe of Fig. 1 synthetic materials of the present invention3O4(b) magnetic Nano titanium dioxide.
Fig. 2 ultraviolet light magnetic nano titanium oxides of the present invention and TiO2Photocatalytic process methylene blue percent of decolourization is with the time
Change curve.
Fig. 3 visible ray magnetic nano titanium oxides of the present invention and TiO2Photocatalytic process methylene blue percent of decolourization is with the time
Change curve.
Fig. 4 magnetic Nano titanium dioxide of the present invention and TiO2The rate of recovery.
Fig. 5 magnetic Nano titanium dioxide of the present invention is reused process Methylene Blue percent of decolourization and is changed with access times.
Specific embodiment
The present invention is further described with reference to embodiment, but protection scope of the present invention is not limited to this.
Embodiment 1：
(1) magnetic titanium dioxide includes following preparation process：
①Fe3O4The synthesis of magnetic nano-particle：Weigh 2.05g iron ammonium sulfates and 1.41g ferric trichlorides are dissolved in 50mL
In deionized water, mixed liquor is transferred in there-necked flask, mechanical agitation and heating water bath under nitrogen protection, when reaction solution heating
During to 80 DEG C, ammoniacal liquor, solution colour is added to immediately become black by brown color, room temperature is naturally cooled to after successive reaction 30min,
Its product is separated using additional magnet, is most prepared at last with respectively washing 3~5 times of ethanol and distilled water successively respectively
Fe3O4Magnetic nano-particle is vacuum dried 12h at 50 DEG C, standby；
②SiO2The Fe of parcel3O4The synthesis of magnetic nano-particle：The Fe of 100mg3O4It is dispersed in 80mL ethanol and 20mL water
Mixed liquor in, ultrasonic agitation 30min makes it be uniformly dispersed, and mixed liquor is transferred in there-necked flask, with ammoniacal liquor adjust pH to 9
0.2mL tetraethyl orthosilicates are added afterwards, nitrogen protection mechanical agitation 4h at room temperature are passed through, after the additional magnet of product utilization is collected
3~5 times are respectively washed to neutral with ethanol and distilled water successively, then by obtained SiO2The Fe of parcel3O4Magnetic nano-particle in
12h is vacuum dried at 50 DEG C, it is standby；
3. the synthesis of magnetic Nano titanium dioxide：By step 2. gained SiO2The Fe of parcel3O4Magnetic nano particle subsample is put
In 20mL butyl titanates and 100~150mL absolute ethyl alcohols, after ultrasonic disperse 10min, in 40 DEG C of stirred in water bath, it is added dropwise
Volumetric concentration is followed successively by the mixed solution of 6%, 1%, 70% deionized water, nitric acid and ethanol, when colloidal sol is hydrolyzed to form, stops
Only stir；After ageing 1h, thoroughly dried through 80 DEG C, obtain gel, then at 150 DEG C, calcine 8h, finally grind to obtain magnetic load light
Catalyst magnetic Nano titanium dioxide.
(2) 5g Fe are weighed3O4@SiO2@TiO2, 15g oxalic acid, 35g sodium chloride, 10g sodium peroxydisulfates be well mixed；
(3) particle crosses 20 mesh sieves, whole grain；
(4) by the particle of 20g sodium carbonate, 1g talcum powder and 5g hydroxypropyl celluloses to step (3), mix, compressing tablet, system
Obtain magnetic titanium dioxide photochemical catalyst effervescent tablet.
(5) by step (3) prepare magnetic titanium dioxide photochemical catalyst effervescent tablet carry out magnetic, photocatalytic activity performance,
The rate of recovery and recovery utilization rate are tested.
1. Magnetic Test：By to Fe3O4Magnetic nano-particle and magnetic Nano titanic oxide material carry out magnetic performance survey
Examination, Fig. 1 is the hysteresis curve of synthetic material, and its result shows, although magnetic Nano titanic oxide material and Fe3O4Magnetic Nano
Particle is compared, and magnetic force decreases, but is entirely capable of meeting the requirement of magnetic force, under externally-applied magnetic field, is capable of achieving high efficiente callback.
2. photocatalytic activity performance test：Magnetic Nano photocatalytic activity experimental technique is, with methylene blue
Solution (10mg/L) adds photochemical catalyst, magnetic agitation, with the uviol lamp of 500W as light source, per 15min as sewage model
A sample is taken, the sample of titanium dioxide will be added to be centrifuged, adding the sample of magnetic Nano titanium dioxide carries out magnetic force
Separate, take supernatant liquor mensuration absorbance.Visible light part uses the xenon lamp of 150W as light source, and remaining operation is identical.
Fig. 2 is identical with the dosage of titanium dioxide (with TiO in magnetic Nano titanium dioxide effervescent tablet2Meter) under conditions of
The effect degraded.As shown in Figure 2, the catalytic efficiency of magnetic Nano titanium dioxide effervescent tablet be higher than titanium dioxide, this be by
Sodium chloride and sodium peroxydisulfate and the concerted catalysis addition of titanium dioxide, urge light in magnetic Nano titanium dioxide effervescent tablet
Change activity to improve.
As seen from Figure 3, magnetic Nano titanium dioxide shows certain photocatalytic activity, two under visible light illumination
The catalysis activity of titanium oxide is then relatively low, and this is because both different photoresponse scopes are caused.
3. the rate of recovery of magnetic Nano titanium dioxide and recovery utilization rate are tested：In order to test magnetic Nano titanium dioxide
The rate of recovery, the catalyst that will carry out Catalysis experiments is reclaimed, first with absolute ethanol washing, until supernatant liquor clear, colorless, then
Drying is weighed, and calculates the rate of recovery.
As shown in Figure 4, by 6 recyclings, the average recovery rate of magnetic Nano titanium dioxide is 88.8%, and dioxy
The average recovery rate for changing titanium is only 60.7%, hence it is evident that less than magnetic Nano titanium dioxide.
Fig. 5 is the catalysis situation for repeating back to the catalyst after receiving.It can be seen that, after 6 times are reused, magnetic is received
To the degradation rate of methylene blue solution also more than 87.6%, this explanation magnetic Nano titanium dioxide is in photocatalysis for rice titanium dioxide
During its photocatalysis performance there is preferable stability.
Embodiment 2：
(1) preparation of magnetic titanium dioxide, step is with embodiment 1.
(2) 6g magnetic Nanos titanium dioxide, 20g butanedioic acids, 25g sodium chloride, 12g sodium peroxydisulfates is weighed to be well mixed；
(3) particle crosses 20 mesh sieves, whole grain；
(4) by the particle of 20g sodium carbonate, 10g SODIUM PERCARBONATEs, 1g magnesium stearates and 6g copolyvidones to step (2), mix
Even, compressing tablet is obtained magnetic titanium dioxide photochemical catalyst effervescent tablet.
(5) by step (3) prepare magnetic titanium dioxide photochemical catalyst effervescent tablet carry out magnetic, photocatalytic activity performance,
The rate of recovery and recovery utilization rate are tested, and method is as a result similar to Example 1 with embodiment 1.
The present invention by effervesce chip technology be used for magnetic titanium dioxide photochemical catalyst preparation, by the preferable dissolubility of effervescent tablet,
Dispersiveness and magnetic combine, reach it is easy to use, be uniformly dispersed and reclaim easily multiple effect；Simultaneously in effervesce
It is aided with sodium chloride, sodium peroxydisulfate and TiO in the preparation of piece2Photochemical catalyst acts synergistically, and has obvious facilitation, has reached light
Catalyst titanium dioxide effervescent tablet catalytic action effect is good, visible light-responded, easy recovery, the features such as degradation rate is high, solve powder
Body nanocatalyst reclaims difficult problem.
Embodiment 3：
(1) preparation of magnetic titanium dioxide, step is with embodiment 1.
(2) 8g magnetic Nanos titanium dioxide, 20g adipic acids, 30g sodium chloride, 14g sodium peroxydisulfates is weighed to be well mixed；
(3) particle crosses 20 mesh sieves, whole grain；
(4) 12g sodium carbonate, 10g sodium acid carbonates, 6g SODIUM PERCARBONATE 2g magnesium stearates and 10g polyvinylpyrrolidones are arrived
In the particle of step (2), mix, compressing tablet, magnetic titanium dioxide photochemical catalyst effervescent tablet is obtained.
(5) by step (3) prepare magnetic titanium dioxide photochemical catalyst effervescent tablet carry out magnetic, photocatalytic activity performance,
The rate of recovery and recovery utilization rate are tested, and method is as a result similar to Example 1 with embodiment 1.
Embodiment 4：
(1) preparation of magnetic titanium dioxide, step is with embodiment 1.
(2) 10g magnetic Nanos titanium dioxide, 20g aminotriacetic acids, 35g sodium chloride, the mixing of 15g sodium peroxydisulfates are weighed
It is even；
(3) particle crosses 20 mesh sieves, whole grain；
(4) by the particle of 12g sodium carbonate, 18g sodium acid carbonates, 3g talcum powder and 8g sodium carboxymethylcelluloses to step (2)
In, mix, compressing tablet, magnetic titanium dioxide photochemical catalyst effervescent tablet is obtained.
(5) by step (3) prepare magnetic titanium dioxide photochemical catalyst effervescent tablet carry out magnetic, photocatalytic activity performance,
The rate of recovery and recovery utilization rate are tested, and method is as a result similar to Example 1 with embodiment 1.
As can be seen from the above embodiments, the present invention prepare magnetic Nano titanium dioxide optical catalyst effervescent tablet, have compared with
Good magnetic, can quickly be reclaimed, the TiO all prepared higher than Tongfang method to the Photocatalytic Decoloration rate and the rate of recovery of simulated wastewater2,
High efficiente callback is realized on the premise of photocatalytic activity higher is kept, and stronger sound is shown in visible-range
Should, after the catalyst of recovery is through treatment, repeat recycle, so as to significantly reduce secondary pollution and the use of catalyst into
This, there is application value higher.
Claims (7)
1. a kind of saliferous magnetic titanium dioxide photochemical catalyst effervescent tablet, it is characterised in that be made up of following raw material：Chlorine
Change 25~35 parts of sodium, 10~15 parts of magnetic titanium dioxide, 5~10 parts of adhesive, 35~50 parts of effervescent agent, sodium peroxydisulfate 10~15
Part, 1~3 part of lubricant.
2. a kind of saliferous magnetic titanium dioxide photochemical catalyst effervescent tablet according to claim 1, it is characterised in that：Described
Magnetic titanium dioxide includes following preparation process：
①Fe3O4The synthesis of magnetic nano-particle：Weigh 2.05g iron ammonium sulfates and 1.41g ferric trichlorides be dissolved in 50mL go from
In sub- water, mixed liquor is transferred in there-necked flask, mechanical agitation and heating water bath under nitrogen protection, when reaction solution is heated to 80
DEG C when, add ammoniacal liquor, solution colour immediately becomes black, room temperature naturally cooled to after successive reaction 30min by brown color, utilizes
Additional magnet separates its product, respectively successively with respectively washing 3~5 times, the Fe for most preparing at last of ethanol and distilled water3O4
Magnetic nano-particle is vacuum dried 12h at 50 DEG C, standby；
②SiO2The Fe of parcel3O4The synthesis of magnetic nano-particle：The Fe of 100mg3O4It is dispersed in the mixed of 80mL ethanol and 20mL water
Close in liquid, ultrasonic agitation 30min makes it be uniformly dispersed, and mixed liquor is transferred in there-necked flask, add after adjusting pH to 9 with ammoniacal liquor
Enter 0.2mL tetraethyl orthosilicates, be passed through nitrogen protection mechanical agitation 4h at room temperature, after the additional magnet collection of product utilization successively
3~5 times are respectively washed to neutral with ethanol and distilled water, then by obtained SiO2The Fe of parcel3O4Magnetic nano-particle is in 50 DEG C
Lower vacuum drying 12h, it is standby；
3. the synthesis of magnetic Nano titanium dioxide：By step 2. gained SiO2The Fe of parcel3O4Magnetic nano particle subsample is placed in
In 20mL butyl titanates and 100~150mL absolute ethyl alcohols, after ultrasonic disperse 10min, in 40 DEG C of stirred in water bath, body is added dropwise
Product concentration is followed successively by the mixed solution of 6%~24%, 1%~5%, 70%~90% deionized water, nitric acid and ethanol, treats water
When solution forms colloidal sol, stop stirring；After ageing 1h, thoroughly dried through 80 DEG C, obtain gel, then at 150 DEG C~200 DEG C,
6~8h of calcining, finally grinds to obtain magnet carried photocatalyst magnetic Nano titanium dioxide.
3. a kind of saliferous magnetic titanium dioxide photochemical catalyst effervescent tablet according to claim 1, it is characterised in that：Described
Adhesive is selected from one kind in hydroxypropyl cellulose, copolyvidone, polyvinylpyrrolidone, sodium carboxymethylcellulose.
4. saliferous magnetic titanium dioxide photochemical catalyst effervescent tablet according to claim 1, it is characterised in that：Described lubrication
Agent is selected from the one kind in magnesium stearate and talcum powder.
5. saliferous magnetic titanium dioxide photochemical catalyst effervescent tablet according to claim 1, described effervescent agent by acid source and
Carbon dioxide source is constituted, and acid source is one kind in oxalic acid, adipic acid, butanedioic acid, glutaric acid, aminotriacetic acid, and carbon dioxide source is
Two or three in sodium carbonate, sodium acid carbonate, SODIUM PERCARBONATE；Acid source and carbon dioxide source ratio are 1:1.3-3:4.1.
6. a kind of saliferous magnetic titanium dioxide photochemical catalyst effervesce piece preparation method, it is characterised in that：Described preparation method bag
Include following steps：
(1) magnetic nano titanium oxide, effervescent agent acid source, sodium chloride, sodium peroxydisulfate is weighed to be well mixed；
(2) particle crosses 20 mesh sieves, whole grain；
(3) effervescent agent carbon dioxide source, adhesive and lubricant are added in particle weight ratio, is mixed, dry, compressing tablet is obtained
Sterilized effervescent tablet.
7. a kind of saliferous magnetic titanium dioxide photochemical catalyst effervescent tablet be used for magnetic, dyestuff degraded photocatalysis performance, the rate of recovery and
Recovery utilization rate is evaluated.
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| CN107670664A (en) * | 2017-10-31 | 2018-02-09 | 云南健牛生物科技有限公司 | Titanic oxide composite photochemical catalyst system prepares and its application |
| CN108391663A (en) * | 2018-03-29 | 2018-08-14 | 蚌埠医学院 | A kind of novel antibacterial effervescent table for cleaning |
| PL423295A1 (en) * | 2017-10-28 | 2019-05-06 | Politechnika Gdanska | Method for obtaining layered magnetic photocatalyst |
| PL423294A1 (en) * | 2017-10-28 | 2019-05-06 | Politechnika Gdanska | Method for obtaining layered magnetic photocatalyst |
| PL423293A1 (en) * | 2017-10-28 | 2019-05-06 | Politechnika Gdanska | Method for obtaining layered magnetic photocatalyst |
| CN115612686A (en) * | 2022-12-20 | 2023-01-17 | 北京迈佳致和科技有限公司 | Effervescent tablet of nucleic acid extraction magnetic beads, synthesis method and application thereof |
| CN115612687A (en) * | 2022-12-20 | 2023-01-17 | 北京迈佳致和科技有限公司 | Nucleic acid extraction reagent effervescent tablet by using paramagnetic particle method, preparation method and application thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| PL423295A1 (en) * | 2017-10-28 | 2019-05-06 | Politechnika Gdanska | Method for obtaining layered magnetic photocatalyst |
| PL423294A1 (en) * | 2017-10-28 | 2019-05-06 | Politechnika Gdanska | Method for obtaining layered magnetic photocatalyst |
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| CN107670664A (en) * | 2017-10-31 | 2018-02-09 | 云南健牛生物科技有限公司 | Titanic oxide composite photochemical catalyst system prepares and its application |
| CN108391663A (en) * | 2018-03-29 | 2018-08-14 | 蚌埠医学院 | A kind of novel antibacterial effervescent table for cleaning |
| CN115612686A (en) * | 2022-12-20 | 2023-01-17 | 北京迈佳致和科技有限公司 | Effervescent tablet of nucleic acid extraction magnetic beads, synthesis method and application thereof |
| CN115612687A (en) * | 2022-12-20 | 2023-01-17 | 北京迈佳致和科技有限公司 | Nucleic acid extraction reagent effervescent tablet by using paramagnetic particle method, preparation method and application thereof |
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Application publication date: 20170620 |