CA2592518C - Procede de preparation de silice amorphe a partir de residus de kimberlite - Google Patents

Procede de preparation de silice amorphe a partir de residus de kimberlite Download PDF

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Publication number
CA2592518C
CA2592518C CA2592518A CA2592518A CA2592518C CA 2592518 C CA2592518 C CA 2592518C CA 2592518 A CA2592518 A CA 2592518A CA 2592518 A CA2592518 A CA 2592518A CA 2592518 C CA2592518 C CA 2592518C
Authority
CA
Canada
Prior art keywords
range
acid
silica
sodium silicate
silicate solution
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 - Fee Related
Application number
CA2592518A
Other languages
English (en)
Other versions
CA2592518A1 (fr
Inventor
Raksh Vir Jasra
H. M. Mody
H. C. Bajaj
R. S. Somani
J. R. Chunawala
Hemal Ranpura
Dipti Barochiya
Devendra Ghelani
Suresh Chandra
M. K. Dhar
Keshav Rao
Kamlesh Kumar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Council of Scientific and Industrial Research CSIR
National Mineral Development Corp Ltd
Original Assignee
Council of Scientific and Industrial Research CSIR
National Mineral Development Corp 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 Council of Scientific and Industrial Research CSIR, National Mineral Development Corp Ltd filed Critical Council of Scientific and Industrial Research CSIR
Publication of CA2592518A1 publication Critical patent/CA2592518A1/fr
Application granted granted Critical
Publication of CA2592518C publication Critical patent/CA2592518C/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment 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
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/126—Preparation of silica of undetermined type
    • C01B33/128—Preparation of silica of undetermined type by acidic treatment of aqueous silicate solutions
CA2592518A 2004-12-30 2004-12-30 Procede de preparation de silice amorphe a partir de residus de kimberlite Expired - Fee Related CA2592518C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IN2004/000437 WO2006070400A1 (fr) 2004-12-30 2004-12-30 Procédé de préparation de silice amorphe à partir de résidus de kimberlite

Publications (2)

Publication Number Publication Date
CA2592518A1 CA2592518A1 (fr) 2006-07-06
CA2592518C true CA2592518C (fr) 2013-04-16

Family

ID=34960561

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2592518A Expired - Fee Related CA2592518C (fr) 2004-12-30 2004-12-30 Procede de preparation de silice amorphe a partir de residus de kimberlite

Country Status (4)

Country Link
CN (1) CN101094808B (fr)
CA (1) CA2592518C (fr)
WO (1) WO2006070400A1 (fr)
ZA (1) ZA200705227B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2984870B1 (fr) * 2011-12-23 2014-03-21 Rhodia Operations Nouveau procede de preparation de silices precipitees.
WO2019152790A1 (fr) * 2018-02-02 2019-08-08 W. R. Grace & Co.-Conn Antiacides pour polymères
CN114180586B (zh) * 2021-12-27 2023-08-08 江西省矿产资源保障服务中心 一种基于植硅体硅矿的液相法生产白炭黑的工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815670A1 (de) * 1988-05-07 1990-01-25 Degussa Feinteilige faellungskieselsaeure mit hoher struktur, verfahren zu seiner herstellung und verwendung
CN1128239A (zh) * 1995-06-14 1996-08-07 重庆大学 从水玻璃中制备活性白炭黑工艺
DE19527278A1 (de) * 1995-07-26 1997-01-30 Degussa Fällungskieselsäure
CN1174168A (zh) * 1996-08-15 1998-02-25 鞠馥阳 用煤矸石生产活性白炭黑的方法

Also Published As

Publication number Publication date
CA2592518A1 (fr) 2006-07-06
ZA200705227B (en) 2010-12-29
CN101094808B (zh) 2011-07-27
WO2006070400A1 (fr) 2006-07-06
CN101094808A (zh) 2007-12-26

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Effective date: 20181231