ES447420A1 - Process for the production of silicon carbide - Google Patents

Process for the production of silicon carbide

Info

Publication number
ES447420A1
ES447420A1 ES447420A ES447420A ES447420A1 ES 447420 A1 ES447420 A1 ES 447420A1 ES 447420 A ES447420 A ES 447420A ES 447420 A ES447420 A ES 447420A ES 447420 A1 ES447420 A1 ES 447420A1
Authority
ES
Spain
Prior art keywords
silicon carbide
production
reaction
electric resistance
resistance furnace
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
Application number
ES447420A
Other languages
Spanish (es)
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.)
Lonza AG
Original Assignee
Lonza AG
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 Lonza AG filed Critical Lonza AG
Publication of ES447420A1 publication Critical patent/ES447420A1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0019—Circuit arrangements
    • H05B3/0023—Circuit arrangements for heating by passing the current directly across the material to be heated
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Ceramic Products (AREA)
  • Furnace Details (AREA)
  • Resistance Heating (AREA)

Abstract

Procedure for the preparation of silicon carbide by reaction of quartz sand and coke, conveniently in the presence of common salt and sawdust, in an electric resistance furnace, characterized in that the reaction is carried out in an electric resistance furnace whose heating core is connected with a direct current. (Machine-translation by Google Translate, not legally binding)
ES447420A 1975-04-29 1976-04-28 Process for the production of silicon carbide Expired ES447420A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH552575A CH595283A5 (en) 1975-04-29 1975-04-29

Publications (1)

Publication Number Publication Date
ES447420A1 true ES447420A1 (en) 1977-07-01

Family

ID=4295077

Family Applications (1)

Application Number Title Priority Date Filing Date
ES447420A Expired ES447420A1 (en) 1975-04-29 1976-04-28 Process for the production of silicon carbide

Country Status (11)

Country Link
BE (1) BE841291A (en)
CA (1) CA1082422A (en)
CH (1) CH595283A5 (en)
DE (1) DE2617647A1 (en)
ES (1) ES447420A1 (en)
FR (1) FR2309469A1 (en)
GB (1) GB1476916A (en)
IT (1) IT1058237B (en)
NL (1) NL182394C (en)
NO (1) NO761442L (en)
ZA (1) ZA762478B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0171858A3 (en) * 1984-08-14 1989-06-14 AGIP S.p.A. Method of making silicon carbide and coatings of silicon carbide on carbonaceous substrates
DE4226867C1 (en) * 1992-08-13 1993-11-25 Kempten Elektroschmelz Gmbh Resistance heated open furnace for silicon carbide prodn. - has multi-limb resistive core connected to poly phase supply

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR327189A (en) * 1902-12-09 1903-06-16 Acheson Edward Goodrich Improved method and apparatus for reduction of compounds by electric heating
GB383540A (en) * 1931-05-11 1932-11-17 Aurele Louis Mingard A process for manufacturing hard objects of carbon silicide or like substances
US2005956A (en) * 1931-12-02 1935-06-25 Norton Co Method of making abrasive metal carbides and an apparatus therefor
FR887377A (en) * 1941-11-26 1943-11-11 Deutsche Edelstahlwerke Ag Method and device for obtaining reactions between metal oxides or oxidic ores and coal

Also Published As

Publication number Publication date
ZA762478B (en) 1977-04-27
NL182394C (en) 1988-03-01
FR2309469B1 (en) 1981-09-25
FR2309469A1 (en) 1976-11-26
BE841291A (en) 1976-10-29
NO761442L (en) 1976-11-01
NL182394B (en) 1987-10-01
GB1476916A (en) 1977-06-16
CA1082422A (en) 1980-07-29
DE2617647A1 (en) 1976-11-11
CH595283A5 (en) 1978-02-15
NL7604277A (en) 1976-11-02
IT1058237B (en) 1982-04-10

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