CH486390A - Process for cleaning silicon carbide - Google Patents

Process for cleaning silicon carbide

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
German (de)
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/en

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 Process for cleaning silicon carbide CH486390A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE25610A DE1219006B (en) 1963-09-30 1963-09-30 Process for cleaning silicon carbide

Publications (1)

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

Family

ID=7071754

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1270764A CH486390A (en) 1963-09-30 1964-09-30 Process for cleaning silicon carbide

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580194A1 (en) * 1985-04-15 1986-10-17 Quebec Gouvernement Concentration of silicon carbide

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 (en) * 2009-05-11 2013-04-11 國立台灣大學 Recovery of silicon and silicon carbide powder from kerf loss slurry using particle phase-transfer method
CN103599850B (en) * 2013-11-28 2016-05-04 安徽苏源光伏科技有限公司 Carborundum recovery catalyst and preparation method thereof in silicon chip cutting waste material
CN103922342B (en) * 2014-03-19 2016-08-17 河南易成新能源股份有限公司 Silicon carbide micro-powder eddy flow method of purification
CN105752988B (en) * 2016-03-02 2018-11-20 安徽正丰再生资源有限公司 A kind of recovery method of high-purity carborundum and silicon
CN105776219B (en) * 2016-03-02 2019-01-15 安庆中凯信息技术咨询有限公司 The recovery method of silicon carbide and silicon in a kind of silicon chip cutting waste fluid

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 (en) * 1985-04-15 1986-10-17 Quebec Gouvernement Concentration of silicon carbide

Also Published As

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

Similar Documents

Publication Publication Date Title
CH451191A (en) Process for the continuous diazotization of amines
CH468967A (en) Process for the production of amines
CH434227A (en) Process for purifying adipinedinitrile
CH486390A (en) Process for cleaning silicon carbide
CH484202A (en) Process for purifying interferon
AT249279B (en) Process for chain extension of aldehydes
AT289338B (en) Process for making scour pads
AT251651B (en) Process for etching silicon carbide
CH436240A (en) Process for the purification of alkylene oxides
AT254830B (en) Process for dispersing solids
CH403708A (en) Process for making textile materials wettable
CH461465A (en) Process for the reductive coupling of cyanobutadienes
AT250022B (en) Process for cleaning polyester solutions
CH437291A (en) Methods for purifying pyrrolidone- (2)
CH434228A (en) Process for the separation of adiponitrile
AT239776B (en) Process for the hydrodeskylation of alkyl aromatics
CH441585A (en) Process for the halogenation of phthalocyanines
CH456560A (en) Process for the separation of naphthoquinone
AT248352B (en) Process for the purification of sewage
CH425724A (en) Process for the purification of crystallizable materials
AT259782B (en) Process for the perforation of thin fleece
AT256469B (en) Process for reducing the flammability of ABS copolymers
CH448059A (en) Process for the isomerization of dichlorobutenes
CH427617A (en) Process for the aftertreatment of cigars
AT236357B (en) Process for cleaning acrylonitrile

Legal Events

Date Code Title Description
PL Patent ceased