KR890014383A - Purification Method of High Purity Silica - Google Patents

Purification Method of High Purity Silica Download PDF

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Publication number
KR890014383A
KR890014383A KR1019880002401A KR880002401A KR890014383A KR 890014383 A KR890014383 A KR 890014383A KR 1019880002401 A KR1019880002401 A KR 1019880002401A KR 880002401 A KR880002401 A KR 880002401A KR 890014383 A KR890014383 A KR 890014383A
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KR
South Korea
Prior art keywords
high purity
purity silica
steam
purifying high
reaction tank
Prior art date
Application number
KR1019880002401A
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Korean (ko)
Other versions
KR900005953B1 (en
Inventor
김평열
이응국
유영선
Original Assignee
박가경
주식회사 금강
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Application filed by 박가경, 주식회사 금강 filed Critical 박가경
Priority to KR1019880002401A priority Critical patent/KR900005953B1/en
Publication of KR890014383A publication Critical patent/KR890014383A/en
Application granted granted Critical
Publication of KR900005953B1 publication Critical patent/KR900005953B1/en

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    • 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
    • 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

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

Abstract

내용 없음.No content.

Description

고순도 실리카(Silica)의 정제방법Purification Method of High Purity Silica

도면은 본 발명에 의한 고순도 실리카 정제방법을 보인 계통도.Figure is a schematic diagram showing a high purity silica purification method according to the present invention.

Claims (4)

원광을 분쇄하여서 된 규사나 천연사를 습식 또는 건식으로 분급 및 선별하여 실리카 정광을 1차 회수한 후 이를 반응조에 황산과 함께 투입하여 정제하되, 상기 반응조에 고압의 증기를 일정시간 투입함으로써 급격한 발열반응의 유도되도록 한 고순도 실리카의 정제방법.Silicate or natural sand obtained by crushing ore is classified and selected by wet or dry method, and the silica concentrate is collected first, and then it is purified by adding it to the reactor with sulfuric acid, and rapidly heating by adding high pressure steam to the reactor for a predetermined time. Method for purifying high purity silica to induce reaction. 제1항에 있어서, 반응조에 증기를 투입하는 시간이 10초 내지 2분의 범위내에 있음을 특징으로 하는 고순도 실리카의 정제방법.The method for purifying high purity silica according to claim 1, wherein a time for introducing steam into the reaction tank is within a range of 10 seconds to 2 minutes. 제1항에 있어서, 반응조가 투입되는 증기가 15-500PSI의 압력범위내임을 특징으로 하는 고순도 실리카의 정제방법.The method for purifying high purity silica according to claim 1, wherein the steam into which the reaction tank is introduced is within a pressure range of 15-500 PSI. 제1항에 있어서, 반응조에 투입되는 황산은 그 농도가 85-95%이며, 증기에 의하여 최종적으로 30-70%가 되도록 함을 특징으로 하는 고순도 실리카의 정제방법.The method for purifying high purity silica according to claim 1, wherein the sulfuric acid introduced into the reaction tank has a concentration of 85-95% and finally 30-70% by steam. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880002401A 1988-03-08 1988-03-08 Method for purification of silica sand KR900005953B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880002401A KR900005953B1 (en) 1988-03-08 1988-03-08 Method for purification of silica sand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880002401A KR900005953B1 (en) 1988-03-08 1988-03-08 Method for purification of silica sand

Publications (2)

Publication Number Publication Date
KR890014383A true KR890014383A (en) 1989-10-23
KR900005953B1 KR900005953B1 (en) 1990-08-18

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ID=19272699

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880002401A KR900005953B1 (en) 1988-03-08 1988-03-08 Method for purification of silica sand

Country Status (1)

Country Link
KR (1) KR900005953B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100489931B1 (en) * 2002-01-29 2005-05-17 한국지질자원연구원 High purity careful manufacture method of natural silica
KR100973783B1 (en) * 2003-02-12 2010-08-04 주식회사 케이씨씨 The purification method of high purity silica from low-grade silica

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100489931B1 (en) * 2002-01-29 2005-05-17 한국지질자원연구원 High purity careful manufacture method of natural silica
KR100973783B1 (en) * 2003-02-12 2010-08-04 주식회사 케이씨씨 The purification method of high purity silica from low-grade silica

Also Published As

Publication number Publication date
KR900005953B1 (en) 1990-08-18

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