SE459731B - Silikapartiklar, foerfarande foer deras framstaellning samt anvaendning av partiklarna - Google Patents
Silikapartiklar, foerfarande foer deras framstaellning samt anvaendning av partiklarnaInfo
- Publication number
- SE459731B SE459731B SE8702685A SE8702685A SE459731B SE 459731 B SE459731 B SE 459731B SE 8702685 A SE8702685 A SE 8702685A SE 8702685 A SE8702685 A SE 8702685A SE 459731 B SE459731 B SE 459731B
- Authority
- SE
- Sweden
- Prior art keywords
- particles
- range
- silica
- silica particles
- ammonium
- Prior art date
Links
- 239000002245 particle Substances 0.000 title claims description 81
- 238000000034 method Methods 0.000 title claims description 33
- 238000002360 preparation method Methods 0.000 title claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 87
- 239000011148 porous material Substances 0.000 claims description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 229910052783 alkali metal Inorganic materials 0.000 claims description 20
- 238000009826 distribution Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 20
- 150000001340 alkali metals Chemical class 0.000 claims description 19
- 150000001412 amines Chemical class 0.000 claims description 19
- 238000004587 chromatography analysis Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 12
- 238000004945 emulsification Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 10
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 8
- 239000000908 ammonium hydroxide Substances 0.000 claims description 7
- 239000007863 gel particle Substances 0.000 claims description 7
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 6
- 239000004094 surface-active agent Substances 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- 238000001879 gelation Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 2
- 239000011368 organic material Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 description 24
- 239000000243 solution Substances 0.000 description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 18
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 18
- 229910052681 coesite Inorganic materials 0.000 description 16
- 229910052906 cristobalite Inorganic materials 0.000 description 16
- 229910052682 stishovite Inorganic materials 0.000 description 16
- 229910052905 tridymite Inorganic materials 0.000 description 16
- 239000000839 emulsion Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 13
- 238000003756 stirring Methods 0.000 description 13
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical class OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 235000011114 ammonium hydroxide Nutrition 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 229910021529 ammonia Inorganic materials 0.000 description 9
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 9
- 235000012239 silicon dioxide Nutrition 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 239000002253 acid Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 102000004190 Enzymes Human genes 0.000 description 6
- 108090000790 Enzymes Proteins 0.000 description 6
- 238000001354 calcination Methods 0.000 description 6
- 238000004821 distillation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000499 gel Substances 0.000 description 6
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 235000019353 potassium silicate Nutrition 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000012153 distilled water Substances 0.000 description 5
- 238000010828 elution Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000010304 firing Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 108090000623 proteins and genes Proteins 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000004115 Sodium Silicate Substances 0.000 description 3
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 3
- 235000019445 benzyl alcohol Nutrition 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003995 emulsifying agent Substances 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 239000004312 hexamethylene tetramine Substances 0.000 description 3
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 3
- 238000004128 high performance liquid chromatography Methods 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 229960004011 methenamine Drugs 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 125000001453 quaternary ammonium group Chemical group 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KXDAEFPNCMNJSK-UHFFFAOYSA-N Benzamide Chemical compound NC(=O)C1=CC=CC=C1 KXDAEFPNCMNJSK-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- 241000221031 Oenothera speciosa Species 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 239000003637 basic solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 2
- 229920003086 cellulose ether Polymers 0.000 description 2
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000001212 derivatisation Methods 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000001804 emulsifying effect Effects 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012456 homogeneous solution Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- QPJVMBTYPHYUOC-UHFFFAOYSA-N methyl benzoate Chemical compound COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 2
- ODLMAHJVESYWTB-UHFFFAOYSA-N propylbenzene Chemical compound CCCC1=CC=CC=C1 ODLMAHJVESYWTB-UHFFFAOYSA-N 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000001226 reprecipitation Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- 241000238876 Acari Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 244000248349 Citrus limon Species 0.000 description 1
- 235000005979 Citrus limon Nutrition 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 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
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 241001537210 Perna Species 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 238000001042 affinity chromatography Methods 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
- 238000013019 agitation Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000003868 ammonium compounds Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 150000007514 bases Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- AZUXXYCNTKYZJB-UHFFFAOYSA-N chloro(octadecyl)silane Chemical compound CCCCCCCCCCCCCCCCCC[SiH2]Cl AZUXXYCNTKYZJB-UHFFFAOYSA-N 0.000 description 1
- GZGREZWGCWVAEE-UHFFFAOYSA-N chloro-dimethyl-octadecylsilane Chemical compound CCCCCCCCCCCCCCCCCC[Si](C)(C)Cl GZGREZWGCWVAEE-UHFFFAOYSA-N 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000012612 commercial material Substances 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- -1 fatty acid esters Chemical class 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229940095102 methyl benzoate Drugs 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002429 nitrogen sorption measurement Methods 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 235000015277 pork Nutrition 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000002444 silanisation Methods 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000005051 trimethylchlorosilane Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- LTVDFSLWFKLJDQ-UHFFFAOYSA-N α-tocopherolquinone Chemical compound CC(C)CCCC(C)CCCC(C)CCCC(C)(O)CCC1=C(C)C(=O)C(C)=C(C)C1=O LTVDFSLWFKLJDQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/16—Preparation of silica xerogels
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/08—Silica
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Silicon Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Dental Preparations (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8702685A SE459731B (sv) | 1987-06-29 | 1987-06-29 | Silikapartiklar, foerfarande foer deras framstaellning samt anvaendning av partiklarna |
| EP88850213A EP0298062B1 (en) | 1987-06-29 | 1988-06-16 | Silica particles, a method for preparation of silica particles and use of the particles |
| DE8888850213T DE3864609D1 (de) | 1987-06-29 | 1988-06-16 | Siliciumdioxidpartikel, deren herstellung und verwendung. |
| ES88850213T ES2025334B3 (es) | 1987-06-29 | 1988-06-16 | Particulas de silice, un metodo para obtencion de particulas de silice y uso de las particulas. |
| FI882993A FI86628C (fi) | 1987-06-29 | 1988-06-22 | Silikapartiklar, saett foer framstaellning av silikapartiklar och anvaendning av dessa. |
| JP63158227A JPS6418910A (en) | 1987-06-29 | 1988-06-28 | Silica particle, manufacture and use |
| NO882858A NO170323C (no) | 1987-06-29 | 1988-06-28 | Silikapartikler, som i det vesentlige er sfaeriske, samt fremstilling og anvendelse av disse |
| DK360088A DK171272B1 (da) | 1987-06-29 | 1988-06-29 | Silicapartikler, fremgangsmåde til fremstilling af disse samt anvendelsen heraf |
| US07/540,307 US5256386A (en) | 1987-06-29 | 1990-06-14 | Method for preparation of silica particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8702685A SE459731B (sv) | 1987-06-29 | 1987-06-29 | Silikapartiklar, foerfarande foer deras framstaellning samt anvaendning av partiklarna |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8702685D0 SE8702685D0 (sv) | 1987-06-29 |
| SE8702685L SE8702685L (sv) | 1988-12-30 |
| SE459731B true SE459731B (sv) | 1989-07-31 |
Family
ID=20369009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8702685A SE459731B (sv) | 1987-06-29 | 1987-06-29 | Silikapartiklar, foerfarande foer deras framstaellning samt anvaendning av partiklarna |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0298062B1 (fi) |
| JP (1) | JPS6418910A (fi) |
| DE (1) | DE3864609D1 (fi) |
| DK (1) | DK171272B1 (fi) |
| ES (1) | ES2025334B3 (fi) |
| FI (1) | FI86628C (fi) |
| NO (1) | NO170323C (fi) |
| SE (1) | SE459731B (fi) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5128114A (en) * | 1989-04-14 | 1992-07-07 | E. I. Du Pont De Nemours And Company | Silica microspheres, method of improving attrition resistance |
| US5352645A (en) * | 1989-04-14 | 1994-10-04 | E. I. Du Pont De Nemours And Company | Silica microspheres, method of improving attrition resistance and use |
| IT1240673B (it) * | 1990-04-24 | 1993-12-17 | Tenav | Microsfere di aerogels di ossidi inorganici a stretta distribuzione dei diametri dei pori e metodo per la loro preparazione |
| IT1251939B (it) * | 1991-10-17 | 1995-05-27 | Donegani Guido Ist | Procedimento per la preparazione di materiali a base di ossidi inorganici con granulometria monodispersa e materiali cosi ottenuti. |
| IT1251937B (it) * | 1991-10-17 | 1995-05-27 | Donegani Guido Ist | Xerogels di silice ad alta porosita` e processo per la loro preparazione. |
| DE4309660A1 (de) * | 1993-03-25 | 1994-09-29 | Studiengesellschaft Kohle Mbh | Selektive anorganische Katalysatoren in Form von molekularen Abdrücken in Hohlräumen |
| IT1266660B1 (it) * | 1993-11-04 | 1997-01-09 | Eniricerche Spa | Procedimento per la preparazione di xerogels di silice porosi in forma sferica |
| DE19801004A1 (de) | 1998-01-14 | 1999-07-15 | Cabot Corp | Verfahren zur Herstellung von im wesentlichen kugelförmigen Lyogelen in wasserunlöslichen Silylierungsmitteln |
| WO1999064504A1 (de) | 1998-06-05 | 1999-12-16 | Cabot Corporation | Nanoporöse interpenetrierende organisch-anorganische netzwerke |
| US20040091411A1 (en) * | 2002-11-08 | 2004-05-13 | Bijan Modrek-Najafabadi | High surface area, high porosity silica packing with narrow particle and pore diameter distribution and methods of making same |
| EP3431481B1 (en) | 2010-05-20 | 2020-12-30 | Waters Technologies Corporation | Methods and devices for performing phospholipid separation |
| IN2015DN02055A (fi) | 2012-09-17 | 2015-08-14 | Grace W R & Co | |
| WO2014078435A1 (en) | 2012-11-14 | 2014-05-22 | W. R. Grace & Co.-Conn. | Compositions containing a biologically active material and a non-ordered inorganic oxide |
| EP3744684A1 (en) * | 2019-05-29 | 2020-12-02 | Nouryon Chemicals International B.V. | Porous silica particles |
| EP3744683A1 (en) | 2019-05-29 | 2020-12-02 | Nouryon Chemicals International B.V. | Porous silica particles |
| CN114105151A (zh) * | 2022-01-12 | 2022-03-01 | 兰州大学 | 微米级球形二氧化硅制备方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3652215A (en) * | 1968-08-06 | 1972-03-28 | Nat Petro Chemicals Co Inc | Preparation of silica gels |
| FR2135793A5 (fi) * | 1971-04-29 | 1972-12-22 | Pechiney Saint Gobain | |
| US4279879A (en) * | 1979-10-01 | 1981-07-21 | W. R. Grace & Co. | Silica gel |
-
1987
- 1987-06-29 SE SE8702685A patent/SE459731B/sv not_active IP Right Cessation
-
1988
- 1988-06-16 DE DE8888850213T patent/DE3864609D1/de not_active Expired - Lifetime
- 1988-06-16 EP EP88850213A patent/EP0298062B1/en not_active Expired - Lifetime
- 1988-06-16 ES ES88850213T patent/ES2025334B3/es not_active Expired - Lifetime
- 1988-06-22 FI FI882993A patent/FI86628C/fi active IP Right Grant
- 1988-06-28 NO NO882858A patent/NO170323C/no not_active IP Right Cessation
- 1988-06-28 JP JP63158227A patent/JPS6418910A/ja active Granted
- 1988-06-29 DK DK360088A patent/DK171272B1/da not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK360088A (da) | 1988-12-30 |
| DE3864609D1 (de) | 1991-10-10 |
| SE8702685D0 (sv) | 1987-06-29 |
| NO170323B (no) | 1992-06-29 |
| FI86628B (fi) | 1992-06-15 |
| JPH0536366B2 (fi) | 1993-05-28 |
| FI882993A0 (fi) | 1988-06-22 |
| NO882858L (no) | 1988-12-30 |
| DK360088D0 (da) | 1988-06-29 |
| FI86628C (fi) | 1992-09-25 |
| NO170323C (no) | 1992-10-07 |
| DK171272B1 (da) | 1996-08-19 |
| NO882858D0 (no) | 1988-06-28 |
| JPS6418910A (en) | 1989-01-23 |
| ES2025334B3 (es) | 1992-03-16 |
| FI882993L (fi) | 1988-12-30 |
| EP0298062B1 (en) | 1991-09-04 |
| SE8702685L (sv) | 1988-12-30 |
| EP0298062A1 (en) | 1989-01-04 |
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