ATE120434T1 - Verfahren zur herstellung einer wässrigen kieselsäurelösung hoher reinheit. - Google Patents

Verfahren zur herstellung einer wässrigen kieselsäurelösung hoher reinheit.

Info

Publication number
ATE120434T1
ATE120434T1 AT90312973T AT90312973T ATE120434T1 AT E120434 T1 ATE120434 T1 AT E120434T1 AT 90312973 T AT90312973 T AT 90312973T AT 90312973 T AT90312973 T AT 90312973T AT E120434 T1 ATE120434 T1 AT E120434T1
Authority
AT
Austria
Prior art keywords
solution
silicic acid
suspension
producing
acid solution
Prior art date
Application number
AT90312973T
Other languages
English (en)
Inventor
Shigeo Mitsubishi Monsa Sasaki
Toho-Cho Laboratory
Miho Mitsubishi Monsant Kojima
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of ATE120434T1 publication Critical patent/ATE120434T1/de

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
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • 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
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/146—After-treatment of sols
    • C01B33/148—Concentration; Drying; Dehydration; Stabilisation; Purification
    • C01B33/1485—Stabilisation, e.g. prevention of gelling; Purification
    • 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
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/02—Pure silica glass, e.g. pure fused quartz
    • C03B2201/03—Impurity concentration specified

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Silicon Compounds (AREA)
AT90312973T 1989-11-30 1990-11-29 Verfahren zur herstellung einer wässrigen kieselsäurelösung hoher reinheit. ATE120434T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1309036A JPH0717370B2 (ja) 1989-11-30 1989-11-30 高純度ケイ酸水溶液の製造方法

Publications (1)

Publication Number Publication Date
ATE120434T1 true ATE120434T1 (de) 1995-04-15

Family

ID=17988109

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90312973T ATE120434T1 (de) 1989-11-30 1990-11-29 Verfahren zur herstellung einer wässrigen kieselsäurelösung hoher reinheit.

Country Status (5)

Country Link
US (1) US5165905A (de)
EP (1) EP0430685B1 (de)
JP (1) JPH0717370B2 (de)
AT (1) ATE120434T1 (de)
DE (1) DE69018205T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6132618A (en) * 1998-04-16 2000-10-17 Pq Corporation System and method for waking a computer having a plurality of power resources from a system state using a data structure
JP4504491B2 (ja) * 1999-12-28 2010-07-14 株式会社渡辺商行 高純度合成石英粉の製造方法
KR100720016B1 (ko) * 1999-12-28 2007-05-18 가부시키가이샤 와타나베 쇼코 실리카 입자, 합성 석영 가루 및 합성 석영 유리의 합성방법
JP2003012331A (ja) * 2001-06-27 2003-01-15 Watanabe Shoko:Kk 高純度合成石英ガラス粒子
JP5057622B2 (ja) * 2001-09-27 2012-10-24 株式会社渡辺商行 低ホウ素シリカ粒子の製造方法、この方法により得られる低ホウ素シリカ粒子及びこれを用いた低ホウ素石英ガラス粒子の製造方法
DE10342828A1 (de) * 2003-09-17 2005-04-14 Degussa Ag Hochreines, pyrogen hergestelltes Siliciumdioxid
KR100825514B1 (ko) * 2006-10-09 2008-04-25 한국지질자원연구원 규질이암으로부터 실리카 나노분말 제조 방법
CA2753863C (en) * 2009-03-04 2014-12-16 Xerox Corporation Structured organic films
CN102417186A (zh) * 2011-09-07 2012-04-18 黑龙江科技学院 一种新型的纳米二氧化硅粉体的制备方法
EP3759049B1 (de) 2018-03-02 2022-04-06 Pörner Ingenieurgesellschaft M.B.H. Nachhaltige silikate und verfahren zu deren extraktion
KR102284039B1 (ko) * 2019-12-26 2021-07-30 어업회사법인(주)제이앤씨 바이오 규조류 유래 실리카로부터 수용성 규소의 분리정제방법
CN115611284A (zh) * 2021-07-13 2023-01-17 航天特种材料及工艺技术研究所 一种制备高纯硅酸的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668088A (en) * 1969-12-02 1972-06-06 Du Pont Method of producing colloidal silica by electrodialysis of a silicate
US3649556A (en) * 1970-07-22 1972-03-14 Nl Industries Inc Production of polysilicic acid by ion exchange
GB1545702A (en) * 1976-03-22 1979-05-10 Diamond Shamrock Corp Electrodialytic production of sols
US4124471A (en) * 1977-08-22 1978-11-07 Diamond Shamrock Corporation Controlling silica sol particle size
US4387008A (en) * 1979-10-01 1983-06-07 W. R. Grace & Co. Electrodialytic method for production of silica gel
JPS6136114A (ja) * 1984-07-30 1986-02-20 Tokuyama Soda Co Ltd シリカ微粉体の製造方法
JPH0796447B2 (ja) * 1986-06-13 1995-10-18 モ−ゼス レイク インダストリ−ズ インコ−ポレイテツド 高純度シリカの製造方法
JPS6321212A (ja) * 1986-07-14 1988-01-28 Jgc Corp 高純度シリカの製造方法
JP2535972B2 (ja) * 1987-11-11 1996-09-18 東ソー株式会社 シリカゾルの製造方法

Also Published As

Publication number Publication date
EP0430685B1 (de) 1995-03-29
DE69018205D1 (de) 1995-05-04
DE69018205T2 (de) 1995-10-12
US5165905A (en) 1992-11-24
EP0430685A3 (en) 1992-05-20
JPH0717370B2 (ja) 1995-03-01
JPH03174315A (ja) 1991-07-29
EP0430685A2 (de) 1991-06-05

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