CN103213995A - 一种粒度可控的含钾硅溶胶的制备方法 - Google Patents
一种粒度可控的含钾硅溶胶的制备方法 Download PDFInfo
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- CN103213995A CN103213995A CN2013101103782A CN201310110378A CN103213995A CN 103213995 A CN103213995 A CN 103213995A CN 2013101103782 A CN2013101103782 A CN 2013101103782A CN 201310110378 A CN201310110378 A CN 201310110378A CN 103213995 A CN103213995 A CN 103213995A
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- potassium
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- 239000002245 particle Substances 0.000 title claims abstract description 60
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000011591 potassium Substances 0.000 title claims abstract description 30
- 229910052700 potassium Inorganic materials 0.000 title claims abstract description 30
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims description 43
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 82
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000000725 suspension Substances 0.000 claims abstract description 51
- 239000003054 catalyst Substances 0.000 claims abstract description 44
- 229910052742 iron Inorganic materials 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 34
- 239000003513 alkali Substances 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 13
- 239000002243 precursor Substances 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 5
- 239000011863 silicon-based powder Substances 0.000 claims abstract 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 85
- 229910052710 silicon Inorganic materials 0.000 claims description 47
- 239000010703 silicon Substances 0.000 claims description 47
- 239000000377 silicon dioxide Substances 0.000 claims description 42
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 41
- 239000000243 solution Substances 0.000 claims description 23
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 20
- 238000006703 hydration reaction Methods 0.000 claims description 10
- 235000012239 silicon dioxide Nutrition 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000004111 Potassium silicate Substances 0.000 claims description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 8
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims description 8
- 235000019353 potassium silicate Nutrition 0.000 claims description 8
- 229910052913 potassium silicate Inorganic materials 0.000 claims description 8
- 235000011118 potassium hydroxide Nutrition 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 4
- 229910000160 potassium phosphate Inorganic materials 0.000 claims description 3
- 235000011009 potassium phosphates Nutrition 0.000 claims description 3
- 229910052681 coesite Inorganic materials 0.000 claims description 2
- 229910052906 cristobalite Inorganic materials 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 229910052682 stishovite Inorganic materials 0.000 claims description 2
- 229910052905 tridymite Inorganic materials 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims 1
- 230000000887 hydrating effect Effects 0.000 claims 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims 1
- 235000019796 monopotassium phosphate Nutrition 0.000 claims 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims 1
- 235000015497 potassium bicarbonate Nutrition 0.000 claims 1
- 239000011736 potassium bicarbonate Substances 0.000 claims 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims 1
- 229910000027 potassium carbonate Inorganic materials 0.000 claims 1
- 235000011181 potassium carbonates Nutrition 0.000 claims 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 abstract 1
- KMNWCNNLFBCDJR-UHFFFAOYSA-N [Si].[K] Chemical compound [Si].[K] KMNWCNNLFBCDJR-UHFFFAOYSA-N 0.000 description 54
- 235000013312 flour Nutrition 0.000 description 31
- 150000002739 metals Chemical class 0.000 description 18
- 235000015320 potassium carbonate Nutrition 0.000 description 18
- 229940072033 potash Drugs 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 16
- 239000007788 liquid Substances 0.000 description 16
- 238000009740 moulding (composite fabrication) Methods 0.000 description 15
- 239000002002 slurry Substances 0.000 description 15
- 239000012018 catalyst precursor Substances 0.000 description 13
- 235000013339 cereals Nutrition 0.000 description 13
- 239000011148 porous material Substances 0.000 description 11
- 230000004913 activation Effects 0.000 description 10
- 238000000975 co-precipitation Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 8
- 238000001694 spray drying Methods 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000000693 micelle Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 6
- 229960001866 silicon dioxide Drugs 0.000 description 6
- 238000011978 dissolution method Methods 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 239000012065 filter cake Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 239000008119 colloidal silica Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 229910001414 potassium ion Inorganic materials 0.000 description 2
- 229940093916 potassium phosphate Drugs 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003746 solid phase reaction Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241001061225 Arcos Species 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- KGWDUNBJIMUFAP-KVVVOXFISA-N Ethanolamine Oleate Chemical compound NCCO.CCCCCCCC\C=C/CCCCCCCC(O)=O KGWDUNBJIMUFAP-KVVVOXFISA-N 0.000 description 1
- 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 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 1
- -1 Xiao Suangu Chemical compound 0.000 description 1
- JCCZVLHHCNQSNM-UHFFFAOYSA-N [Na][Si] Chemical compound [Na][Si] JCCZVLHHCNQSNM-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- SXTLQDJHRPXDSB-UHFFFAOYSA-N copper;dinitrate;trihydrate Chemical compound O.O.O.[Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O SXTLQDJHRPXDSB-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- WKPSFPXMYGFAQW-UHFFFAOYSA-N iron;hydrate Chemical compound O.[Fe] WKPSFPXMYGFAQW-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910001960 metal nitrate Inorganic materials 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- XXQBEVHPUKOQEO-UHFFFAOYSA-N potassium peroxide Inorganic materials [K+].[K+].[O-][O-] XXQBEVHPUKOQEO-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- ZSDSQXJSNMTJDA-UHFFFAOYSA-N trifluralin Chemical group CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O ZSDSQXJSNMTJDA-UHFFFAOYSA-N 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
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- Catalysts (AREA)
Abstract
Description
实施例 | 含钾硅溶胶编号 | K重量% | SiO2重量% | 反应温度 |
1 | A | 0.121 | 15.07 | 95℃ |
2 | B | 0.153 | 20.17 | 80℃ |
3 | C | 0.155 | 19.89 | 75℃ |
4 | D | 1.020 | 24.28 | 75℃ |
对应的实施例 | 比较 | 1 | 2 | 3 | 4 |
催化剂编号 | OE | KA | LB | MC | ND |
比表面积S(平方米/克) | 204.9 | 202.1 | 212.8 | 238.9 | 259.9 |
孔容(毫升/克) | 0.51 | 0.50 | 0.52 | 0.56 | 0.67 |
平均孔径R(纳米) | 10.35 | 10.14 | 10.34 | 10.56 | 11.34 |
S/R2 | 1.91 | 1.97 | 1.99 | 2.14 | 2.02 |
CO转化率,% | 49.3 | 49.8 | 59.6 | 63.2 | 58.6 |
CO2选择性,% | 29.6 | 24.5 | 21.1 | 19.3 | 26.5 |
CH4选择性,% | 3.7 | 1.8 | 2.0 | 2.5 | 2.2 |
C5 +选择性* | 82.0 | 90.2 | 87.3 | 83.0 | 84.7 |
磨损指数(%/小时) | 10.3 | 6.8 | 4.4 | 3.8 | 2.3 |
Claims (17)
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108558388A (zh) * | 2018-01-29 | 2018-09-21 | 江苏师范大学 | 一种用于制备yag陶瓷粉体的喷雾干燥工艺 |
CN108654654A (zh) * | 2017-04-01 | 2018-10-16 | 神华集团有限责任公司 | 沉淀铁费托催化剂及其制备方法和应用 |
CN111320178A (zh) * | 2020-03-02 | 2020-06-23 | 正大能源材料(大连)有限公司 | 一种用于合成sapo-34分子筛的金属改性硅溶胶及其制备方法 |
CN111392745A (zh) * | 2020-04-24 | 2020-07-10 | 中国石油大学(北京) | 一种高硅铝比镁碱沸石及其制备方法和应用 |
CN117865165A (zh) * | 2024-01-15 | 2024-04-12 | 山东科翰硅源新材料有限公司 | 一种超小颗粒、高稳定性二氧化硅胶体的制备方法及应用 |
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CN101293657A (zh) * | 2008-04-17 | 2008-10-29 | 神华集团有限责任公司 | 一种含钾硅溶胶及其制备方法 |
CN101602000A (zh) * | 2009-07-15 | 2009-12-16 | 神华集团有限责任公司 | 一种费托合成反应的含钴助剂铁催化剂及其制备方法 |
CN102101674A (zh) * | 2011-01-06 | 2011-06-22 | 清华大学 | 一种制备硅溶胶的方法 |
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2013
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CN1974385A (zh) * | 2006-12-08 | 2007-06-06 | 中国科学院宁波材料技术与工程研究所 | 一种单分散性二氧化硅溶胶的制备方法 |
CN101293657A (zh) * | 2008-04-17 | 2008-10-29 | 神华集团有限责任公司 | 一种含钾硅溶胶及其制备方法 |
CN101602000A (zh) * | 2009-07-15 | 2009-12-16 | 神华集团有限责任公司 | 一种费托合成反应的含钴助剂铁催化剂及其制备方法 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108654654A (zh) * | 2017-04-01 | 2018-10-16 | 神华集团有限责任公司 | 沉淀铁费托催化剂及其制备方法和应用 |
CN108654654B (zh) * | 2017-04-01 | 2021-09-03 | 国家能源投资集团有限责任公司 | 沉淀铁费托催化剂及其制备方法和应用 |
CN108558388A (zh) * | 2018-01-29 | 2018-09-21 | 江苏师范大学 | 一种用于制备yag陶瓷粉体的喷雾干燥工艺 |
CN108558388B (zh) * | 2018-01-29 | 2021-03-12 | 江苏师范大学 | 一种用于制备yag陶瓷粉体的喷雾干燥工艺 |
CN111320178A (zh) * | 2020-03-02 | 2020-06-23 | 正大能源材料(大连)有限公司 | 一种用于合成sapo-34分子筛的金属改性硅溶胶及其制备方法 |
CN111320178B (zh) * | 2020-03-02 | 2021-08-27 | 正大能源材料(大连)有限公司 | 一种用于合成sapo-34分子筛的金属改性硅溶胶及其制备方法 |
CN111392745A (zh) * | 2020-04-24 | 2020-07-10 | 中国石油大学(北京) | 一种高硅铝比镁碱沸石及其制备方法和应用 |
CN117865165A (zh) * | 2024-01-15 | 2024-04-12 | 山东科翰硅源新材料有限公司 | 一种超小颗粒、高稳定性二氧化硅胶体的制备方法及应用 |
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