DE2224061C3 - Verfahren zur Herstellung von Siliciumdioxyd - Google Patents
Verfahren zur Herstellung von SiliciumdioxydInfo
- Publication number
- DE2224061C3 DE2224061C3 DE19722224061 DE2224061A DE2224061C3 DE 2224061 C3 DE2224061 C3 DE 2224061C3 DE 19722224061 DE19722224061 DE 19722224061 DE 2224061 A DE2224061 A DE 2224061A DE 2224061 C3 DE2224061 C3 DE 2224061C3
- Authority
- DE
- Germany
- Prior art keywords
- acid
- reaction
- silicon dioxide
- concentration
- molar ratio
- 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.)
- Expired
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims description 79
- 239000000377 silicon dioxide Substances 0.000 title claims description 36
- 238000000034 method Methods 0.000 title claims description 35
- 235000012239 silicon dioxide Nutrition 0.000 title claims description 29
- 230000008569 process Effects 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000002253 acid Substances 0.000 claims description 54
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 239000012429 reaction media Substances 0.000 claims description 10
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 7
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 7
- 229910052681 coesite Inorganic materials 0.000 claims description 7
- 229910052906 cristobalite Inorganic materials 0.000 claims description 7
- 229910052682 stishovite Inorganic materials 0.000 claims description 7
- 229910052905 tridymite Inorganic materials 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 description 31
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 25
- 238000007792 addition Methods 0.000 description 20
- 239000000047 product Substances 0.000 description 14
- 230000020477 pH reduction Effects 0.000 description 11
- 238000009826 distribution Methods 0.000 description 10
- 239000011734 sodium Substances 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- 239000002535 acidifier Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 239000007795 chemical reaction product Substances 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 238000010924 continuous production Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 239000012065 filter cake Substances 0.000 description 4
- 238000001879 gelation Methods 0.000 description 4
- 238000006068 polycondensation reaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000001935 peptisation Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 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
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
- C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
- C01B33/193—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7139477A FR2159580A5 (enExample) | 1971-11-04 | 1971-11-04 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2224061A1 DE2224061A1 (de) | 1973-06-20 |
| DE2224061B2 DE2224061B2 (de) | 1978-02-02 |
| DE2224061C3 true DE2224061C3 (de) | 1982-05-19 |
Family
ID=9085273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722224061 Expired DE2224061C3 (de) | 1971-11-04 | 1972-05-17 | Verfahren zur Herstellung von Siliciumdioxyd |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5621726B2 (enExample) |
| DE (1) | DE2224061C3 (enExample) |
| ES (1) | ES402045A1 (enExample) |
| FR (1) | FR2159580A5 (enExample) |
| GB (1) | GB1382340A (enExample) |
| IT (1) | IT959114B (enExample) |
| NL (1) | NL7204773A (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1478387A (en) * | 1973-10-03 | 1977-06-29 | Huber Corp J M | Process for producing precipitated thickener silica |
| FR2353486A1 (fr) * | 1976-06-04 | 1977-12-30 | Rhone Poulenc Ind | Nouvelle silice de synthese amorphe, procede pour son obtention et application de ladite silice dans les vulcanisats |
| FR2471947A1 (fr) * | 1979-12-20 | 1981-06-26 | Rhone Poulenc Ind | Silice de precipitation, notamment utilisable comme charge renforcante |
| FR2471948A1 (fr) * | 1979-12-20 | 1981-06-26 | Rhone Poulenc Ind | Nouveau procede d'obtention d'un gateau de silice precipitee a lavabilite amelioree, et produit obtenu |
| FR2471949A1 (fr) * | 1979-12-20 | 1981-06-26 | Rhone Poulenc Ind | Procede de fabrication de silices precipitees fines |
| WO1996010536A1 (fr) * | 1994-10-03 | 1996-04-11 | Societe Chimique Prayon-Rupel | Procede de fabrication de sels alcalins phosphates, sels et silices obtenus, ainsi que detergent ou produit alimentaire contenant ces sels |
| JP5502556B2 (ja) * | 2010-03-30 | 2014-05-28 | 大王製紙株式会社 | シリカ複合粒子の製造方法 |
| JP5486377B2 (ja) * | 2010-03-31 | 2014-05-07 | 大王製紙株式会社 | シリカ複合混合無機粒子の製造方法及びシリカ複合混合無機粒子 |
| MX363101B (es) | 2012-11-26 | 2019-03-08 | Braskem Sa | Catalizador de metaloceno soportado por medios de soporte hibridos, procesos para producir el mismo, procesos de polimerizacion para producir un homopolimero o copolimero de etileno con distribucion de masa molar amplia o bimodal, uso del catalizador de metaloceno soportado y polimero de etileno con distribucion de masa molar amplia o bimodal. |
| WO2020029019A1 (zh) * | 2018-08-06 | 2020-02-13 | 湖州五爻硅基材料研究院有限公司 | 一种新型沉淀白炭黑及其制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1001884A (fr) * | 1946-06-26 | 1952-02-28 | Saint Gobain | Procédé de fabrication de silice pulvérulente |
| US3202525A (en) * | 1961-10-03 | 1965-08-24 | Burke | Addition of sea water during precipitation of silica pigment |
| US3307906A (en) * | 1965-05-24 | 1967-03-07 | Jr Oliver W Burke | Silica pigments and preparation thereof |
| US3503707A (en) * | 1968-05-20 | 1970-03-31 | Burke Oliver W Jun | Silica pigments and preparation thereof |
-
1971
- 1971-11-04 FR FR7139477A patent/FR2159580A5/fr not_active Expired
-
1972
- 1972-03-27 IT IT6796872A patent/IT959114B/it active
- 1972-04-10 NL NL7204773A patent/NL7204773A/xx active Search and Examination
- 1972-04-24 ES ES402045A patent/ES402045A1/es not_active Expired
- 1972-04-28 GB GB1988072A patent/GB1382340A/en not_active Expired
- 1972-05-17 DE DE19722224061 patent/DE2224061C3/de not_active Expired
- 1972-07-20 JP JP7332872A patent/JPS5621726B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT959114B (it) | 1973-11-10 |
| DE2224061B2 (de) | 1978-02-02 |
| JPS5621726B2 (enExample) | 1981-05-21 |
| JPS4853997A (enExample) | 1973-07-28 |
| GB1382340A (en) | 1975-01-29 |
| ES402045A1 (es) | 1975-03-01 |
| FR2159580A5 (enExample) | 1973-06-22 |
| NL7204773A (enExample) | 1973-05-08 |
| DE2224061A1 (de) | 1973-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |