KR920009695A - 고순도 실리카의 제조방법 - Google Patents

고순도 실리카의 제조방법 Download PDF

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Publication number
KR920009695A
KR920009695A KR1019900017856A KR900017856A KR920009695A KR 920009695 A KR920009695 A KR 920009695A KR 1019900017856 A KR1019900017856 A KR 1019900017856A KR 900017856 A KR900017856 A KR 900017856A KR 920009695 A KR920009695 A KR 920009695A
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KR
South Korea
Prior art keywords
silica
high purity
producing high
purity silica
precipitate
Prior art date
Application number
KR1019900017856A
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English (en)
Other versions
KR930003661B1 (ko
Inventor
강정석
오태성
Original Assignee
강정석
오태성
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 강정석, 오태성 filed Critical 강정석
Priority to KR1019900017856A priority Critical patent/KR930003661B1/ko
Publication of KR920009695A publication Critical patent/KR920009695A/ko
Application granted granted Critical
Publication of KR930003661B1 publication Critical patent/KR930003661B1/ko

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Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/146After-treatment of sols
    • C01B33/148Concentration; Drying; Dehydration; Stabilisation; Purification
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Silicon Compounds (AREA)

Abstract

내용 없음.

Description

고순도 실리카의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (1)

  1. 92-93%의 실리카를 함유하는 광석의 미세 분말에 왕수(HNO3+HCl)를 가한 후 실리카 침전물을 분리하고, 이 침전물을 세척액의 pH값이 7이 될때까지 물로 세척한 다음, 생성된 실리카 분말을 250-300℃에서 건조함을 특징으로 하는 고순도 실리카의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900017856A 1990-11-06 1990-11-06 고순도 실리카의 제조방법 KR930003661B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900017856A KR930003661B1 (ko) 1990-11-06 1990-11-06 고순도 실리카의 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900017856A KR930003661B1 (ko) 1990-11-06 1990-11-06 고순도 실리카의 제조방법

Publications (2)

Publication Number Publication Date
KR920009695A true KR920009695A (ko) 1992-06-25
KR930003661B1 KR930003661B1 (ko) 1993-05-08

Family

ID=19305661

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900017856A KR930003661B1 (ko) 1990-11-06 1990-11-06 고순도 실리카의 제조방법

Country Status (1)

Country Link
KR (1) KR930003661B1 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10758564B2 (en) 2017-10-12 2020-09-01 Korea Institute Of Geoscience And Mineral Resources Method for synthesizing high-purity montmorillonite
CN112759468A (zh) * 2021-03-23 2021-05-07 中国农业科学院农业资源与农业区划研究所 一种富硅富硒果树专用肥及其制备方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110316735A (zh) * 2018-03-28 2019-10-11 中国石油化工股份有限公司 一种从硅质岩中提纯硅质单相的方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10758564B2 (en) 2017-10-12 2020-09-01 Korea Institute Of Geoscience And Mineral Resources Method for synthesizing high-purity montmorillonite
CN112759468A (zh) * 2021-03-23 2021-05-07 中国农业科学院农业资源与农业区划研究所 一种富硅富硒果树专用肥及其制备方法

Also Published As

Publication number Publication date
KR930003661B1 (ko) 1993-05-08

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