CH486390A - Verfahren zur Reinigung von Siliciumcarbid - Google Patents

Verfahren zur Reinigung von Siliciumcarbid

Info

Publication number
CH486390A
CH486390A CH1270764A CH1270764A CH486390A CH 486390 A CH486390 A CH 486390A CH 1270764 A CH1270764 A CH 1270764A CH 1270764 A CH1270764 A CH 1270764A CH 486390 A CH486390 A CH 486390A
Authority
CH
Switzerland
Prior art keywords
silicon carbide
cleaning silicon
cleaning
carbide
silicon
Prior art date
Application number
CH1270764A
Other languages
English (en)
Inventor
Franz Dr Schroll
Original Assignee
Kempten Elektroschmelz Gmbh
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 Kempten Elektroschmelz Gmbh filed Critical Kempten Elektroschmelz Gmbh
Publication of CH486390A publication Critical patent/CH486390A/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/01—Organic compounds containing nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/01—Organic compounds containing nitrogen
    • B03D1/011—Quaternary ammonium compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C01B32/956—Silicon carbide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C01B32/956—Silicon carbide
    • C01B32/963—Preparation from compounds containing silicon
    • C01B32/97—Preparation from SiO or SiO2
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2203/00—Specified materials treated by the flotation agents; Specified applications
    • B03D2203/02—Ores
    • B03D2203/04—Non-sulfide ores

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
CH1270764A 1963-09-30 1964-09-30 Verfahren zur Reinigung von Siliciumcarbid CH486390A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE25610A DE1219006B (de) 1963-09-30 1963-09-30 Verfahren zur Reinigung von Siliciumcarbid

Publications (1)

Publication Number Publication Date
CH486390A true CH486390A (de) 1970-02-28

Family

ID=7071754

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1270764A CH486390A (de) 1963-09-30 1964-09-30 Verfahren zur Reinigung von Siliciumcarbid

Country Status (4)

Country Link
US (1) US3319785A (de)
CH (1) CH486390A (de)
DE (1) DE1219006B (de)
NO (1) NO116670B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580194A1 (fr) * 1985-04-15 1986-10-17 Quebec Gouvernement Concentration du carbure de silicium

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293099A (en) * 1979-07-02 1981-10-06 Silag, Inc. Recovery of silicon carbide whiskers from coked, converted rice hulls by froth flotation
US4963286A (en) * 1987-05-15 1990-10-16 Union Oil Company Of California Dispersions of silica in carbon and a method of making such dispersions
US4839150A (en) * 1987-05-15 1989-06-13 Union Oil Company Of California Production of silicon carbide
US5037626A (en) * 1988-11-22 1991-08-06 Union Oil Company Of California Process for producing silicon carbide whiskers using seeding agent
TWI392647B (zh) * 2009-05-11 2013-04-11 國立台灣大學 以粒子相轉移法回收切割矽泥中的矽與碳化矽粉
CN103599850B (zh) * 2013-11-28 2016-05-04 安徽苏源光伏科技有限公司 硅片切削废料中碳化硅回收剂及其制备方法
CN103922342B (zh) * 2014-03-19 2016-08-17 河南易成新能源股份有限公司 碳化硅微粉旋流提纯方法
CN105752988B (zh) * 2016-03-02 2018-11-20 安徽正丰再生资源有限公司 一种高纯度碳化硅和硅的回收方法
CN105776219B (zh) * 2016-03-02 2019-01-15 安庆中凯信息技术咨询有限公司 一种硅片切削废液中碳化硅和硅的回收方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2267307A (en) * 1936-12-17 1941-12-23 Armour & Co Concentrating ores
US2553444A (en) * 1947-07-19 1951-05-15 Vanadium Corp Of America Preparation of pure metallic carbides
US3259243A (en) * 1963-06-28 1966-07-05 Little Inc A Silicon carbide recovery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580194A1 (fr) * 1985-04-15 1986-10-17 Quebec Gouvernement Concentration du carbure de silicium

Also Published As

Publication number Publication date
NO116670B (de) 1969-05-05
US3319785A (en) 1967-05-16
DE1219006B (de) 1966-06-16

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Legal Events

Date Code Title Description
PL Patent ceased