FR1160477A - Silicon purification process - Google Patents

Silicon purification process

Info

Publication number
FR1160477A
FR1160477A FR1160477DA FR1160477A FR 1160477 A FR1160477 A FR 1160477A FR 1160477D A FR1160477D A FR 1160477DA FR 1160477 A FR1160477 A FR 1160477A
Authority
FR
France
Prior art keywords
purification process
silicon purification
silicon
purification
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
Other languages
French (fr)
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.)
Pechiney SA
Original Assignee
Pechiney SA
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 Pechiney SA filed Critical Pechiney SA
Application granted granted Critical
Publication of FR1160477A publication Critical patent/FR1160477A/en
Expired 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
    • C01B33/02—Silicon
    • C01B33/037—Purification
    • 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
    • C01B33/02—Silicon
    • C01B33/021—Preparation
    • C01B33/023—Preparation by reduction of silica or free silica-containing material
    • C01B33/025—Preparation by reduction of silica or free silica-containing material with carbon or a solid carbonaceous material, i.e. carbo-thermal process
    • 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
    • C01B33/06—Metal silicides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
FR1160477D 1956-11-05 1956-11-05 Silicon purification process Expired FR1160477A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR725075 1956-11-05
FR809082A FR76591E (en) 1956-11-05 1959-11-02 Silicon purification process

Publications (1)

Publication Number Publication Date
FR1160477A true FR1160477A (en) 1958-07-16

Family

ID=32715070

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1160477D Expired FR1160477A (en) 1956-11-05 1956-11-05 Silicon purification process
FR809082A Expired FR76591E (en) 1956-11-05 1959-11-02 Silicon purification process

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR809082A Expired FR76591E (en) 1956-11-05 1959-11-02 Silicon purification process

Country Status (1)

Country Link
FR (2) FR1160477A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007063A1 (en) * 1978-07-11 1980-01-23 COMPAGNIE GENERALE D'ELECTRICITE Société anonyme dite: Process and device for the manufacture of polycrystalline silicon
FR2515163A1 (en) * 1980-11-18 1983-04-29 Sofrem Removal of calcium and aluminium from molten silicon alloy - by injecting oxygen into lower part of ladle, with protective fluid injected simultaneously (NO 14.6.82)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007063A1 (en) * 1978-07-11 1980-01-23 COMPAGNIE GENERALE D'ELECTRICITE Société anonyme dite: Process and device for the manufacture of polycrystalline silicon
FR2430917A1 (en) * 1978-07-11 1980-02-08 Comp Generale Electricite PROCESS AND DEVICE FOR PRODUCING POLYCRYSTALLINE SILICON
FR2515163A1 (en) * 1980-11-18 1983-04-29 Sofrem Removal of calcium and aluminium from molten silicon alloy - by injecting oxygen into lower part of ladle, with protective fluid injected simultaneously (NO 14.6.82)

Also Published As

Publication number Publication date
FR76591E (en) 1961-11-10

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