CA955063A - Process for refining technical grade silicon and ferrosilicon by continuous extraction - Google Patents

Process for refining technical grade silicon and ferrosilicon by continuous extraction

Info

Publication number
CA955063A
CA955063A CA111,580A CA111580A CA955063A CA 955063 A CA955063 A CA 955063A CA 111580 A CA111580 A CA 111580A CA 955063 A CA955063 A CA 955063A
Authority
CA
Canada
Prior art keywords
ferrosilicon
technical grade
continuous extraction
grade silicon
refining technical
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
CA111,580A
Other languages
English (en)
Other versions
CA111580S (en
Inventor
Helge H. Aas
Jorgen A. Kolflaath
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.)
Christiania Spigerverk AS
Original Assignee
Christiania Spigerverk AS
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 Christiania Spigerverk AS filed Critical Christiania Spigerverk AS
Application granted granted Critical
Publication of CA955063A publication Critical patent/CA955063A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
CA111,580A 1970-05-04 1971-04-28 Process for refining technical grade silicon and ferrosilicon by continuous extraction Expired CA955063A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO1688/70A NO122241B (zh) 1970-05-04 1970-05-04

Publications (1)

Publication Number Publication Date
CA955063A true CA955063A (en) 1974-09-24

Family

ID=19878367

Family Applications (1)

Application Number Title Priority Date Filing Date
CA111,580A Expired CA955063A (en) 1970-05-04 1971-04-28 Process for refining technical grade silicon and ferrosilicon by continuous extraction

Country Status (10)

Country Link
US (1) US3809548A (zh)
JP (1) JPS5536602B1 (zh)
CA (1) CA955063A (zh)
CH (1) CH567435A5 (zh)
DE (1) DE2122029C3 (zh)
FR (1) FR2091127A5 (zh)
GB (1) GB1315593A (zh)
NO (1) NO122241B (zh)
SE (1) SE357724B (zh)
YU (1) YU34323B (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150999A (en) 1974-08-12 1979-04-24 Denki Kagaku Kogyo Kabushiki Kaisha Method for manufacture of ferrosilicon nitride
DE2722783A1 (de) * 1977-05-20 1978-11-30 Wacker Chemitronic Verfahren zum reinigen von silicium
NO152551C (no) * 1983-02-07 1985-10-16 Elkem As Fremgangsmaate til fremstilling av rent silisium.
DE3317286A1 (de) * 1983-05-11 1984-11-22 Heliotronic Forschungs- und Entwicklungsgesellschaft für Solarzellen-Grundstoffe mbH, 8263 Burghausen Verfahren zur reinigung von silicium durch saeureeinwirkung
NO300004B1 (no) * 1994-03-30 1997-03-17 Elkem Materials Fremgangsmåte for gjenvinning av metallklorid fra silisium eller ferrosilisiumlegering som er blitt reagert med kloreringsmidler
DE4422676A1 (de) * 1994-06-30 1996-01-11 Hera Int Fin & Prop Man Gmbh Verfahren zur Gewinnung von pulverartigem Silizium und Ferrosilizium
US7429672B2 (en) * 2006-06-09 2008-09-30 Momentive Performance Materials Inc. Process for the direct synthesis of trialkoxysilane
US20090010833A1 (en) * 2006-11-28 2009-01-08 Cima Nano Tech Israel Ltd. Process for producing ultra-fine powder of crystalline silicon
US8216539B2 (en) 2010-04-14 2012-07-10 Calisolar, Inc. Cascading purification

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1091590B (de) * 1957-11-28 1960-10-27 Joergen August Kolflaath Verfahren zum Raffinieren von Ferro-Silizium und Silizium

Also Published As

Publication number Publication date
YU34323B (en) 1979-04-30
FR2091127A5 (zh) 1972-01-14
SE357724B (zh) 1973-07-09
DE2122029C3 (de) 1982-06-16
DE2122029B2 (de) 1981-07-23
NO122241B (zh) 1971-06-07
US3809548A (en) 1974-05-07
JPS5536602B1 (zh) 1980-09-22
CH567435A5 (zh) 1975-10-15
GB1315593A (en) 1973-05-02
YU110671A (en) 1978-10-31
DE2122029A1 (de) 1971-11-18

Similar Documents

Publication Publication Date Title
AU460161B2 (en) Improved hydrocarbon separation process
AU457983B2 (en) Hydrocarbon separation process
CA955063A (en) Process for refining technical grade silicon and ferrosilicon by continuous extraction
CA952457A (en) Method of extracting urokinase
CA943047A (en) Composition and method for iron removal
CA928082A (en) Electro-thermic melt refining process and apparatus therefor
CA944566A (en) Process for reducing iron ores
CA957828A (en) Method for making silicon metal
CA852132A (en) Process for refining steel
CA840368A (en) Refining process
AU463261B2 (en) Process for extracting monferrous values from ores
ZA704036B (en) Ore refining process
CA850013A (en) Process for the reduction of molten iron ore
CA805088A (en) Silicon steel process
CA847802A (en) Process and apparatus for refining molten metal
CA845629A (en) Refining of iron
AU451322B2 (en) Process for extracting uranium from its ores
AU460904B2 (en) Improved nickel ore segregation process
AU451053B2 (en) Segregation process
CA952311A (en) Method and structure for containing molten pig iron
AU460589B2 (en) Method and structure for containing molten pig iron
CA856746A (en) Method of refining alloys
CA854155A (en) Method of refining alloys
AU2477471A (en) Improved ore segregation process
CA831922A (en) Process for extracting metal values