CN104772131B - 冷冻干燥型TiO2/SiO2光催化复合粉体及其制法 - Google Patents
冷冻干燥型TiO2/SiO2光催化复合粉体及其制法 Download PDFInfo
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- CN104772131B CN104772131B CN201410013656.7A CN201410013656A CN104772131B CN 104772131 B CN104772131 B CN 104772131B CN 201410013656 A CN201410013656 A CN 201410013656A CN 104772131 B CN104772131 B CN 104772131B
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- 239000002131 composite material Substances 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000004108 freeze drying Methods 0.000 title claims abstract description 10
- 239000008187 granular material Substances 0.000 title claims abstract 7
- 239000000843 powder Substances 0.000 claims abstract description 48
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 23
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 23
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000001354 calcination Methods 0.000 claims abstract description 12
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 8
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 8
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 5
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 5
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims abstract description 5
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 5
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 4
- 238000007146 photocatalysis Methods 0.000 claims abstract 5
- 235000019795 sodium metasilicate Nutrition 0.000 claims abstract 5
- 150000001875 compounds Chemical class 0.000 claims abstract 4
- 235000013312 flour Nutrition 0.000 claims abstract 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract 3
- 230000001699 photocatalysis Effects 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 7
- 239000007864 aqueous solution Substances 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 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 239000003643 water by type Substances 0.000 claims 1
- 239000006185 dispersion Substances 0.000 abstract description 11
- 239000002270 dispersing agent Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000003054 catalyst Substances 0.000 abstract description 2
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract description 2
- 239000000376 reactant Substances 0.000 abstract description 2
- 238000006555 catalytic reaction Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 54
- 229910004298 SiO 2 Inorganic materials 0.000 description 24
- 239000011259 mixed solution Substances 0.000 description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 239000011863 silicon-based powder Substances 0.000 description 11
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 10
- 238000007710 freezing Methods 0.000 description 8
- 230000008014 freezing Effects 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009827 uniform distribution Methods 0.000 description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004353 Polyethylene glycol 8000 Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 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
- 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 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000011246 composite particle Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229940093430 polyethylene glycol 1500 Drugs 0.000 description 1
- 229940057838 polyethylene glycol 4000 Drugs 0.000 description 1
- 229940093429 polyethylene glycol 6000 Drugs 0.000 description 1
- 229940085678 polyethylene glycol 8000 Drugs 0.000 description 1
- 235000019446 polyethylene glycol 8000 Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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Abstract
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CN201410013656.7A CN104772131B (zh) | 2014-01-13 | 2014-01-13 | 冷冻干燥型TiO2/SiO2光催化复合粉体及其制法 |
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CN201410013656.7A CN104772131B (zh) | 2014-01-13 | 2014-01-13 | 冷冻干燥型TiO2/SiO2光催化复合粉体及其制法 |
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CN104772131A CN104772131A (zh) | 2015-07-15 |
CN104772131B true CN104772131B (zh) | 2017-11-17 |
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CN108624089A (zh) * | 2018-07-20 | 2018-10-09 | 安徽东阳矿业科技有限公司 | 高纯含量的石英产品的制备方法 |
CN117548094A (zh) * | 2023-10-25 | 2024-02-13 | 成都市图腾环保科技有限公司 | 一种净化空气的负氧离子净化触媒及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4791089A (en) * | 1983-10-07 | 1988-12-13 | Enron Chemical Corporation | Zirconia-titania-silica tergels and their use as catalyst supports |
CN101497444A (zh) * | 2009-03-04 | 2009-08-05 | 中国科学院广州能源研究所 | 一种真空冷冻干燥法制备大比表面积纳米多孔材料的方法 |
CN101891206A (zh) * | 2010-07-21 | 2010-11-24 | 陕西科技大学 | 一种SiO2/TiO2复合微球的制备方法 |
CN101890326A (zh) * | 2010-07-21 | 2010-11-24 | 陕西科技大学 | 一种TiO2/SiO2复合微球的制备方法 |
-
2014
- 2014-01-13 CN CN201410013656.7A patent/CN104772131B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4791089A (en) * | 1983-10-07 | 1988-12-13 | Enron Chemical Corporation | Zirconia-titania-silica tergels and their use as catalyst supports |
CN101497444A (zh) * | 2009-03-04 | 2009-08-05 | 中国科学院广州能源研究所 | 一种真空冷冻干燥法制备大比表面积纳米多孔材料的方法 |
CN101891206A (zh) * | 2010-07-21 | 2010-11-24 | 陕西科技大学 | 一种SiO2/TiO2复合微球的制备方法 |
CN101890326A (zh) * | 2010-07-21 | 2010-11-24 | 陕西科技大学 | 一种TiO2/SiO2复合微球的制备方法 |
Non-Patent Citations (3)
Title |
---|
冷冻干燥法制备纳米TiO2多孔材料的研究;王立久等;《新型建筑材料》;20100630;全文 * |
单质硅水解制备硅溶胶工艺及催化交互作用研究;陈晨等;《科学技术与工程》;20131031;第13卷(第29期);全文 * |
热处理温度对TiO2/SiO2复合气凝胶光催化性能的影响;刘朝辉等;《无机材料学报》;20121031;第27卷(第10期);全文 * |
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