EP0681559A1 - Silice amorphe, sa preparation et ses utilisations - Google Patents
Silice amorphe, sa preparation et ses utilisationsInfo
- Publication number
- EP0681559A1 EP0681559A1 EP94905874A EP94905874A EP0681559A1 EP 0681559 A1 EP0681559 A1 EP 0681559A1 EP 94905874 A EP94905874 A EP 94905874A EP 94905874 A EP94905874 A EP 94905874A EP 0681559 A1 EP0681559 A1 EP 0681559A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sihca
- type
- particles
- fluid
- silica
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 397
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 233
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 157
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 119
- 239000011163 secondary particle Substances 0.000 claims abstract description 78
- 238000010521 absorption reaction Methods 0.000 claims abstract description 42
- 239000003921 oil Substances 0.000 claims abstract description 14
- 238000000149 argon plasma sintering Methods 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims description 228
- 239000002245 particle Substances 0.000 claims description 211
- 230000008569 process Effects 0.000 claims description 199
- 238000001556 precipitation Methods 0.000 claims description 164
- 239000000463 material Substances 0.000 claims description 135
- 239000003795 chemical substances by application Substances 0.000 claims description 120
- 239000000047 product Substances 0.000 claims description 120
- 239000002002 slurry Substances 0.000 claims description 88
- 239000011164 primary particle Substances 0.000 claims description 43
- 239000000758 substrate Substances 0.000 claims description 43
- 239000000203 mixture Substances 0.000 claims description 36
- 229910052785 arsenic Inorganic materials 0.000 claims description 31
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 31
- 239000002244 precipitate Substances 0.000 claims description 31
- 238000011084 recovery Methods 0.000 claims description 31
- 230000032683 aging Effects 0.000 claims description 30
- 238000006116 polymerization reaction Methods 0.000 claims description 26
- 239000004927 clay Substances 0.000 claims description 25
- 238000000576 coating method Methods 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 239000011248 coating agent Substances 0.000 claims description 23
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 23
- 239000000945 filler Substances 0.000 claims description 22
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 21
- 239000011707 mineral Substances 0.000 claims description 21
- 239000000243 solution Substances 0.000 claims description 20
- 230000005611 electricity Effects 0.000 claims description 17
- 230000009467 reduction Effects 0.000 claims description 17
- 238000004064 recycling Methods 0.000 claims description 16
- 239000004567 concrete Substances 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 14
- 229920001971 elastomer Polymers 0.000 claims description 13
- 238000009472 formulation Methods 0.000 claims description 13
- 230000006872 improvement Effects 0.000 claims description 13
- 230000000977 initiatory effect Effects 0.000 claims description 13
- 239000003973 paint Substances 0.000 claims description 13
- 239000005060 rubber Substances 0.000 claims description 13
- 239000004606 Fillers/Extenders Substances 0.000 claims description 12
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 12
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 240000006240 Linum usitatissimum Species 0.000 claims description 10
- 235000004431 Linum usitatissimum Nutrition 0.000 claims description 10
- 239000012736 aqueous medium Substances 0.000 claims description 10
- 235000004426 flaxseed Nutrition 0.000 claims description 10
- 239000000499 gel Substances 0.000 claims description 10
- 239000004568 cement Substances 0.000 claims description 9
- 230000001376 precipitating effect Effects 0.000 claims description 9
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 239000011236 particulate material Substances 0.000 claims description 6
- 239000003905 agrochemical Substances 0.000 claims description 5
- 239000008199 coating composition Substances 0.000 claims description 5
- 239000000701 coagulant Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- -1 silicate ion Chemical class 0.000 claims description 4
- 230000002745 absorbent Effects 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000003306 harvesting Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000003605 opacifier Substances 0.000 claims description 3
- 229920000768 polyamine Polymers 0.000 claims description 3
- 239000013008 thixotropic agent Substances 0.000 claims description 3
- 238000010795 Steam Flooding Methods 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000011246 composite particle Substances 0.000 claims description 2
- 230000001143 conditioned effect Effects 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 229940034610 toothpaste Drugs 0.000 claims description 2
- 239000000606 toothpaste Substances 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims 2
- 235000019198 oils Nutrition 0.000 abstract description 13
- 235000021388 linseed oil Nutrition 0.000 abstract description 3
- 239000000944 linseed oil Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 description 19
- 238000005755 formation reaction Methods 0.000 description 19
- 230000002829 reductive effect Effects 0.000 description 15
- 125000002091 cationic group Chemical group 0.000 description 12
- 238000010899 nucleation Methods 0.000 description 12
- 239000000126 substance Substances 0.000 description 12
- 239000003643 water by type Substances 0.000 description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 11
- 230000008021 deposition Effects 0.000 description 11
- 230000006911 nucleation Effects 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- 241000196324 Embryophyta Species 0.000 description 9
- 238000003483 aging Methods 0.000 description 9
- 239000011148 porous material Substances 0.000 description 9
- 230000002269 spontaneous effect Effects 0.000 description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 7
- 239000011575 calcium Substances 0.000 description 7
- 229910052791 calcium Inorganic materials 0.000 description 7
- 238000005345 coagulation Methods 0.000 description 7
- 230000015271 coagulation Effects 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 150000001768 cations Chemical class 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 5
- 238000004220 aggregation Methods 0.000 description 5
- 230000002776 aggregation Effects 0.000 description 5
- 229910001424 calcium ion Inorganic materials 0.000 description 5
- 229920006317 cationic polymer Polymers 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 241000894007 species Species 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 239000004408 titanium dioxide Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 101000604592 Homo sapiens Keratin-like protein KRT222 Proteins 0.000 description 4
- 102100038184 Keratin-like protein KRT222 Human genes 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000004627 transmission electron microscopy Methods 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 3
- 210000000038 chest Anatomy 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 3
- 238000010908 decantation Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000001627 detrimental effect Effects 0.000 description 3
- 238000011143 downstream manufacturing Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000012716 precipitator Substances 0.000 description 3
- 230000001698 pyrogenic effect Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 230000009974 thixotropic effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000000975 co-precipitation Methods 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000012744 reinforcing agent Substances 0.000 description 2
- 239000006254 rheological additive Substances 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 1
- 229910021532 Calcite Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 101001028400 Homo sapiens Keratin, type I cytoskeletal 40 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
- 102100037157 Keratin, type I cytoskeletal 40 Human genes 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910003910 SiCl4 Inorganic materials 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 235000019241 carbon black Nutrition 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009300 dissolved air flotation Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052909 inorganic silicate Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000007644 letterpress printing Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000013335 mesoporous material Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000003921 particle size analysis Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/443—Particulate material
-
- 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
- C01B33/126—Preparation of silica of undetermined type
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
- C04B14/062—Microsilica, e.g. colloïdal silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/28—Compounds of silicon
- C09C1/30—Silicic acid
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/02—Amorphous compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/84—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by UV- or VIS- data
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
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- Physics & Mathematics (AREA)
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- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Produit de silice obtenu de préférence à partir d'eau géothermique, ses utilisations (par exemple avec du papier) et sa préparation. Ledit produit présente une structure d'agrégat tertiaire (de préférence de type I, II, III définie dans EP0396242) présentant des dimensions de particules secondaires moyennes allant jusqu'à environ 30 nm, une capacité d'absorption d'huile supérieure à environ 190 g.100g-1 mesurée selon le procédé d'enlèvement par frottement à la spatule utilisant de l'huile de lin, un coefficient de diffusion de lumière supérieur à environ 280 m2kg-1, une réflectance supérieure à environ 95 % à une longueur d'onde de 557 nm avec le D65 comme illuminant et à un angle de visulation de 10°), ainsi qu'une aire de surface BET supérieure à environ 4m2.g-1.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ24582393A NZ245823A (en) | 1993-02-01 | 1993-02-01 | Process for recovering amorphous silica from geothermal waters; paper and other products containing the silica |
NZ24582393 | 1993-02-01 | ||
NZ24736693 | 1993-04-08 | ||
NZ24736693 | 1993-04-08 | ||
PCT/NZ1994/000004 WO1994018121A1 (fr) | 1993-02-01 | 1994-01-28 | Silice amorphe, sa preparation et ses utilisations |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0681559A1 true EP0681559A1 (fr) | 1995-11-15 |
EP0681559A4 EP0681559A4 (fr) | 1996-06-05 |
Family
ID=26651150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94905874A Withdrawn EP0681559A4 (fr) | 1993-02-01 | 1994-01-28 | Silice amorphe, sa preparation et ses utilisations. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0681559A4 (fr) |
AU (1) | AU5980594A (fr) |
IS (1) | IS4128A (fr) |
WO (1) | WO1994018121A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000078675A1 (fr) * | 1999-06-21 | 2000-12-28 | Geochemistry Research Limited | Produits de silice riche en metal provenant de systeme aqueux geothermiques et synthetiques |
MXPA05001211A (es) | 2005-01-31 | 2006-07-31 | Gcc Technology And Processes S | Microsilica mejorada, su aplicacion como material puzolanico y metodos para su obtencion. |
FR2997421B1 (fr) * | 2012-10-30 | 2015-04-17 | Munksjo Arches | Papier decoratif pour stratifies. |
AU2020441128A1 (en) * | 2020-04-08 | 2022-08-11 | Vulcan Energie Ressourcen Gmbh | System and process for direct lithium extraction and production of low carbon intensity lithium chemicals from geothermal brines |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1152131A (fr) * | 1955-03-19 | 1958-02-12 | Bayer Ag | Pigments d'acide silicique ou contenant de l'acide silicique, destinés à l'éclaircissement du papier |
US2943971A (en) * | 1955-10-31 | 1960-07-05 | Pigmented paper and preparation | |
US4429535A (en) * | 1980-08-13 | 1984-02-07 | Magma Power Company | Geothermal plant silica control system |
NZ232170A (en) * | 1989-03-23 | 1993-01-27 | Tasman Pulp & Paper Co Ltd | Precipitation of amorphous silica from geothermal fluid; use of silica in coating paper sheet |
-
1994
- 1994-01-28 WO PCT/NZ1994/000004 patent/WO1994018121A1/fr not_active Application Discontinuation
- 1994-01-28 AU AU59805/94A patent/AU5980594A/en not_active Abandoned
- 1994-01-28 EP EP94905874A patent/EP0681559A4/fr not_active Withdrawn
- 1994-01-31 IS IS4128A patent/IS4128A/is unknown
Non-Patent Citations (2)
Title |
---|
No further relevant documents disclosed * |
See also references of WO9418121A1 * |
Also Published As
Publication number | Publication date |
---|---|
IS4128A (is) | 1994-08-02 |
AU5980594A (en) | 1994-08-29 |
EP0681559A4 (fr) | 1996-06-05 |
WO1994018121A1 (fr) | 1994-08-18 |
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