DE69407973D1 - Verfahren zur herstellung weisser mikrokieselsäure - Google Patents
Verfahren zur herstellung weisser mikrokieselsäureInfo
- Publication number
- DE69407973D1 DE69407973D1 DE69407973T DE69407973T DE69407973D1 DE 69407973 D1 DE69407973 D1 DE 69407973D1 DE 69407973 T DE69407973 T DE 69407973T DE 69407973 T DE69407973 T DE 69407973T DE 69407973 D1 DE69407973 D1 DE 69407973D1
- Authority
- DE
- Germany
- Prior art keywords
- microsilic
- acid
- producing white
- white
- producing
- 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 - Lifetime
Links
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
-
- 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
- C01B33/02—Silicon
- C01B33/021—Preparation
- C01B33/023—Preparation by reduction of silica or free silica-containing material
- C01B33/025—Preparation by reduction of silica or free silica-containing material with carbon or a solid carbonaceous material, i.e. carbo-thermal process
-
- 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
- C01B33/181—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- 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
- C01P2006/10—Solid density
-
- 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
- C01P2006/11—Powder tap density
-
- 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
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
-
- 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
- C01P2006/80—Compositional purity
-
- 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
- C01P2006/80—Compositional purity
- C01P2006/82—Compositional purity water content
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Composite Materials (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Silicon Compounds (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO932696A NO177865C (no) | 1993-07-27 | 1993-07-27 | Fremgangsmåte for fremstilling av hvit microsilica |
PCT/NO1994/000128 WO1995003995A1 (en) | 1993-07-27 | 1994-07-19 | Method for production of white microsilica |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69407973D1 true DE69407973D1 (de) | 1998-02-19 |
DE69407973T2 DE69407973T2 (de) | 1998-05-28 |
Family
ID=19896294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69407973T Expired - Lifetime DE69407973T2 (de) | 1993-07-27 | 1994-07-19 | Verfahren zur herstellung weisser mikrokieselsäure |
Country Status (16)
Country | Link |
---|---|
EP (1) | EP0711252B1 (de) |
JP (1) | JP2821652B2 (de) |
CN (1) | CN1042125C (de) |
AU (1) | AU675160B2 (de) |
BR (1) | BR9407106A (de) |
CA (1) | CA2168244C (de) |
DE (1) | DE69407973T2 (de) |
ES (1) | ES2113668T3 (de) |
IS (1) | IS1701B (de) |
NO (1) | NO177865C (de) |
PL (1) | PL176543B1 (de) |
RO (1) | RO113027B1 (de) |
RU (1) | RU2097323C1 (de) |
SI (1) | SI9420043A (de) |
WO (1) | WO1995003995A1 (de) |
ZA (1) | ZA945106B (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2807022B1 (fr) * | 2000-03-28 | 2002-05-10 | Pechiney Electrometallurgie | Procede de recuperation de l'energie thermique des gaz d'un four d'electrometallurgie et application a la fabrication de poudre de silice |
US9950952B2 (en) | 2010-11-30 | 2018-04-24 | Schlumberger Technology Corporation | Methods for servicing subterranean wells |
US9834719B2 (en) | 2010-11-30 | 2017-12-05 | Schlumberger Technology Corporation | Methods for servicing subterranean wells |
KR101693524B1 (ko) * | 2014-12-23 | 2017-01-06 | 주식회사 포스코 | 실리콘 또는 페로실리콘 제조용 환원제, 및 이의 제조 방법 |
NO345717B1 (en) * | 2018-11-06 | 2021-06-28 | Elkem Materials | Carbon based raw material, method of producing said material and use thereof |
CN110357115B (zh) * | 2019-08-12 | 2022-12-27 | 东北大学 | 一种用晶体硅金刚线切割废料制备纳米二氧化硅的方法 |
CN111137898A (zh) * | 2019-12-31 | 2020-05-12 | 中昊黑元化工研究设计院有限公司 | 一种从微硅粉中去除可挥发性含碳有机物及碳粉的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1082760A1 (ru) * | 1982-10-01 | 1984-03-30 | Специальное Конструкторско-Технологическое Бюро С Экспериментальным Производством Института Физической Химии Им.Л.В.Писаржевского | Способ получени гранул из аэросила |
NO153566B (no) * | 1982-12-07 | 1986-01-06 | Elkem As | Tilsetningsblanding for betong og moertel, fremgangsmaate til fremstilling av blandingen, samt anvendelse derav. |
US5275652A (en) * | 1982-12-07 | 1994-01-04 | Elkem Materials Inc. | Concrete additive comprising a multicomponent admixture containing silica fume, its method of manufacture and concrete produced therewith |
CN1022192C (zh) * | 1992-05-05 | 1993-09-22 | 冶金工业部钢铁研究总院 | 一种冶炼硅铁的方法 |
CN1081999A (zh) * | 1993-07-24 | 1994-02-16 | 张帆 | 煅烧硅石及其生产方法和其用途 |
-
1993
- 1993-07-27 NO NO932696A patent/NO177865C/no not_active IP Right Cessation
-
1994
- 1994-07-13 ZA ZA945106A patent/ZA945106B/xx unknown
- 1994-07-19 EP EP94922395A patent/EP0711252B1/de not_active Expired - Lifetime
- 1994-07-19 BR BR9407106A patent/BR9407106A/pt not_active IP Right Cessation
- 1994-07-19 JP JP7505758A patent/JP2821652B2/ja not_active Expired - Lifetime
- 1994-07-19 RU RU9496104267A patent/RU2097323C1/ru active
- 1994-07-19 SI SI9420043A patent/SI9420043A/sl unknown
- 1994-07-19 WO PCT/NO1994/000128 patent/WO1995003995A1/en active IP Right Grant
- 1994-07-19 AU AU73517/94A patent/AU675160B2/en not_active Expired
- 1994-07-19 DE DE69407973T patent/DE69407973T2/de not_active Expired - Lifetime
- 1994-07-19 CA CA002168244A patent/CA2168244C/en not_active Expired - Lifetime
- 1994-07-19 CN CN94192877A patent/CN1042125C/zh not_active Expired - Lifetime
- 1994-07-19 RO RO96-00140A patent/RO113027B1/ro unknown
- 1994-07-19 ES ES94922395T patent/ES2113668T3/es not_active Expired - Lifetime
- 1994-07-19 PL PL94312734A patent/PL176543B1/pl unknown
- 1994-07-22 IS IS4193A patent/IS1701B/is unknown
Also Published As
Publication number | Publication date |
---|---|
SI9420043A (en) | 1996-08-31 |
BR9407106A (pt) | 1996-08-27 |
NO932696L (no) | 1995-01-30 |
ZA945106B (en) | 1996-01-15 |
NO932696D0 (no) | 1993-07-27 |
RU2097323C1 (ru) | 1997-11-27 |
JPH09501133A (ja) | 1997-02-04 |
EP0711252B1 (de) | 1998-01-14 |
ES2113668T3 (es) | 1998-05-01 |
IS4193A (is) | 1995-01-28 |
NO177865C (no) | 1995-12-06 |
PL176543B1 (pl) | 1999-06-30 |
WO1995003995A1 (en) | 1995-02-09 |
EP0711252A1 (de) | 1996-05-15 |
CA2168244C (en) | 1999-11-09 |
AU675160B2 (en) | 1997-01-23 |
CA2168244A1 (en) | 1995-02-09 |
AU7351794A (en) | 1995-02-28 |
PL312734A1 (en) | 1996-05-13 |
JP2821652B2 (ja) | 1998-11-05 |
DE69407973T2 (de) | 1998-05-28 |
CN1127499A (zh) | 1996-07-24 |
RO113027B1 (ro) | 1998-03-30 |
IS1701B (is) | 1998-10-19 |
NO177865B (no) | 1995-08-28 |
CN1042125C (zh) | 1999-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |