JPH0511050B2 - - Google Patents

Info

Publication number
JPH0511050B2
JPH0511050B2 JP62264810A JP26481087A JPH0511050B2 JP H0511050 B2 JPH0511050 B2 JP H0511050B2 JP 62264810 A JP62264810 A JP 62264810A JP 26481087 A JP26481087 A JP 26481087A JP H0511050 B2 JPH0511050 B2 JP H0511050B2
Authority
JP
Japan
Prior art keywords
ore
particle size
leaching
silicon dioxide
sorting
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 - Lifetime
Application number
JP62264810A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01108110A (ja
Inventor
Shun Okada
Yoshikatsu Matsuda
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.)
Dowa Holdings Co Ltd
Original Assignee
Dowa Mining Co 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 Dowa Mining Co Ltd filed Critical Dowa Mining Co Ltd
Priority to JP26481087A priority Critical patent/JPH01108110A/ja
Publication of JPH01108110A publication Critical patent/JPH01108110A/ja
Publication of JPH0511050B2 publication Critical patent/JPH0511050B2/ja
Granted legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
JP26481087A 1987-10-20 1987-10-20 二酸化ケイ素の精製方法 Granted JPH01108110A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26481087A JPH01108110A (ja) 1987-10-20 1987-10-20 二酸化ケイ素の精製方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26481087A JPH01108110A (ja) 1987-10-20 1987-10-20 二酸化ケイ素の精製方法

Publications (2)

Publication Number Publication Date
JPH01108110A JPH01108110A (ja) 1989-04-25
JPH0511050B2 true JPH0511050B2 (enrdf_load_stackoverflow) 1993-02-12

Family

ID=17408529

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26481087A Granted JPH01108110A (ja) 1987-10-20 1987-10-20 二酸化ケイ素の精製方法

Country Status (1)

Country Link
JP (1) JPH01108110A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0751452B2 (ja) * 1989-07-25 1995-06-05 信越石英株式会社 シリカガラス粉粒体の製造装置
JP2008230875A (ja) * 2007-03-19 2008-10-02 Kyoto Univ 高純度二酸化ケイ素の製造方法
TW201033123A (en) * 2009-03-13 2010-09-16 Radiant Technology Co Ltd Method for manufacturing a silicon material with high purity
JP2012188332A (ja) * 2011-03-14 2012-10-04 Admatechs Co Ltd 高純度シリカ原料の製造方法
CN102303870B (zh) * 2011-08-26 2012-11-07 田辉明 高纯度石英砂提纯酸洗装置
KR102516715B1 (ko) * 2015-11-23 2023-03-31 주식회사 케이씨씨 고순도 회장석의 제조방법

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO143583C (no) * 1979-02-13 1983-01-06 Elkem Spigerverket As Fremgangsmaate for utluting av silikater med syre.

Also Published As

Publication number Publication date
JPH01108110A (ja) 1989-04-25

Similar Documents

Publication Publication Date Title
CA1334821C (en) Method of reforming soluble salts to effect purification and increase crystal size thereof
Santos et al. Processing of quartz lumps rejected by silicon industry to obtain a raw material for silica glass
EP2451753A1 (de) Verfahren zur herstellung eines hochreinen quarz-granulates
CN109665528A (zh) 含有刚玉型石英岩制备电子产品用高纯石英砂粉的方法
US4818510A (en) Modified close fraction batch process for purification of SiO2
DE102009020143A1 (de) Verfahren zur Aufbereitung von Sägeabfällen zur Rückgewinnung von Silizium für die Herstellung von Solarsilizium
JPS5867834A (ja) アルミニウム溶融スラグの処理方法
US6267789B1 (en) Method for enriching raw salt
US4119700A (en) Production of pharmaceutical barium sulphate
JPH0511050B2 (enrdf_load_stackoverflow)
Harbuck Increasing germanium extraction from hydrometallurgical zinc residues
US4388292A (en) Process for reducing radioactive contamination in phosphogypsum
US4385902A (en) Process for purifying crystalline potassium chloride
AU762672B2 (en) Method for the preparation of nickel concentrate
US2031947A (en) Process for the refining of alloys
KR20030065043A (ko) 천연 실리카의 고순도 정제방법
JPH066495B2 (ja) 高純度石英ガラスの製造方法
JPH03153542A (ja) 精製石英粉末の製造法
JPS5924731B2 (ja) ウランまたは／およびトリウムを含む液からのウランまたは／およびトリウムの除去回収法
WO2002040426A2 (en) Process for the recovery of phosphate from phosphate rock
US6989136B2 (en) Method for producing phosphoric acid
CA2150988C (en) Mercury recovery process
SU631209A1 (ru) Способ измельчени минералов
US20050112041A1 (en) Method for producing higher purity zinc oxide
CA1050235A (en) Production of pharmaceutical barium sulphate