ZA929975B - Process for the preparation of amorphous silica. - Google Patents

Process for the preparation of amorphous silica.

Info

Publication number
ZA929975B
ZA929975B ZA929975A ZA929975A ZA929975B ZA 929975 B ZA929975 B ZA 929975B ZA 929975 A ZA929975 A ZA 929975A ZA 929975 A ZA929975 A ZA 929975A ZA 929975 B ZA929975 B ZA 929975B
Authority
ZA
South Africa
Prior art keywords
nh2o
sio2
amorphous silica
na2co3
product
Prior art date
Application number
ZA929975A
Other languages
English (en)
Inventor
Ephraim Feinblum
Original Assignee
R & D Silicate Prod Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by R & D Silicate Prod Ltd filed Critical R & D Silicate Prod Ltd
Publication of ZA929975B publication Critical patent/ZA929975B/xx

Links

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
    • 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
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/32—Alkali metal 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
    • C01P2006/80—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)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Processing Of Solid Wastes (AREA)
ZA929975A 1991-12-25 1992-12-22 Process for the preparation of amorphous silica. ZA929975B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL10050391A IL100503A (en) 1991-12-25 1991-12-25 Process for the preparation of amorphous silica

Publications (1)

Publication Number Publication Date
ZA929975B true ZA929975B (en) 1993-06-28

Family

ID=11063205

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA929975A ZA929975B (en) 1991-12-25 1992-12-22 Process for the preparation of amorphous silica.

Country Status (9)

Country Link
US (1) US5302364A (de)
EP (1) EP0549323B1 (de)
JP (1) JPH069211A (de)
AT (1) ATE142985T1 (de)
AU (1) AU653661B2 (de)
CA (1) CA2086317A1 (de)
DE (1) DE69213905T2 (de)
IL (1) IL100503A (de)
ZA (1) ZA929975B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL104722A (en) * 1993-02-02 1998-04-05 Rotem Fertilizers Ltd Process for the manufacture of pure silica from rock containing it
US5674792A (en) * 1993-11-12 1997-10-07 Heraeus Quarzglas Gmbh Shaped body having a high silicon dioxide content and a process for producing such shaped bodies
AUPN538295A0 (en) * 1995-09-13 1995-10-05 Australian National University, The Magnesiosilicate cation exchange compounds
AU3948997A (en) * 1997-08-14 1999-03-08 Satec Ecochem Ltd. A process for producing silica acid
IL122851A0 (en) * 1998-01-05 1998-08-16 Rotem Amfert Negev Ltd Optimally dispersible precipitated silica particulates process for their preparation and their use
CN1109651C (zh) * 2000-11-14 2003-05-28 北京化工大学 碳化反应制备二氧化硅粉体的方法
US7293568B2 (en) * 2003-12-02 2007-11-13 Silicon Chemistry, Inc. Aqueous solutions of silicon metal and methods of making and using same
US20080178908A1 (en) * 2003-12-02 2008-07-31 Silicon Chemistry, Inc. Solutions of silicon metal and methods of making and using same
GR1005654B (el) * 2005-12-02 2007-09-19 Γεωργιος Χρηστιδης Συνθεση ζεολιθου υ απο ηφαιστιακα υαλωδη πετρωματα και πυριτικα καλυμματα
CN104118880B (zh) * 2014-07-02 2016-01-20 广州立白企业集团有限公司 一种湿法生产泡花碱自动配料工艺及设备
CN110272053B (zh) * 2018-03-16 2021-05-11 国家能源投资集团有限责任公司 高纯水玻璃、低铁白炭黑以及超白玻璃原料的制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL31348A0 (en) * 1968-01-04 1969-02-27 Columbian Carbon Process for producing alkali metal silicates
AT377958B (de) * 1980-06-27 1985-05-28 Steirische Magnesit Ind Ag Verfahren zur herstellung von aktiver kieselerde
US4401638A (en) * 1981-12-21 1983-08-30 Materias Primas, Monterrey, S.A. Process for purifying silica sand
SE439477B (sv) * 1982-10-13 1985-06-17 Boliden Ab Forfarande for produktion av huvudsakligen ren kiselsyra fran avfallskiselsyra
US4818510A (en) * 1985-10-21 1989-04-04 Quartz Technology, Inc. Modified close fraction batch process for purification of SiO2
NL8600283A (nl) * 1986-02-06 1987-09-01 Philips Nv Werkwijze voor het zuiveren van kwartszand.
US4952246A (en) * 1989-08-23 1990-08-28 Dependable Foundry Equipment Company, Inc. Plant and method for reconditioning green foundry sand
IL91671A (en) * 1989-09-18 1993-08-18 Res And Dev Of Natural Resourc Opaliform porcellanite and process for the preparation thereof
US4956509A (en) * 1989-10-16 1990-09-11 Mobil Oil Corp. Integrated paraffin upgrading and catalytic cracking processes
US5037625A (en) * 1990-02-06 1991-08-06 The Feldspar Corporation Purified quartz and process for purifying quartz

Also Published As

Publication number Publication date
AU3049592A (en) 1993-07-01
DE69213905T2 (de) 1997-01-30
EP0549323A1 (de) 1993-06-30
ATE142985T1 (de) 1996-10-15
US5302364A (en) 1994-04-12
AU653661B2 (en) 1994-10-06
DE69213905D1 (de) 1996-10-24
EP0549323B1 (de) 1996-09-18
CA2086317A1 (en) 1993-06-26
IL100503A0 (en) 1992-09-06
IL100503A (en) 1995-03-30
JPH069211A (ja) 1994-01-18

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