CH395948A - Procédé pour l'affinage du silicium et des ferro-siliciums - Google Patents

Procédé pour l'affinage du silicium et des ferro-siliciums

Info

Publication number
CH395948A
CH395948A CH1241060A CH1241060A CH395948A CH 395948 A CH395948 A CH 395948A CH 1241060 A CH1241060 A CH 1241060A CH 1241060 A CH1241060 A CH 1241060A CH 395948 A CH395948 A CH 395948A
Authority
CH
Switzerland
Prior art keywords
silicon
ferro
refining
refining silicon
Prior art date
Application number
CH1241060A
Other languages
English (en)
Inventor
Pruvot Emile Mme
Laparra Maurice
Lugagne Paul
Original Assignee
Electrometallurgique De Montri
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 Electrometallurgique De Montri filed Critical Electrometallurgique De Montri
Publication of CH395948A publication Critical patent/CH395948A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
    • 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
    • C01B33/06—Metal silicides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
CH1241060A 1959-11-12 1960-11-07 Procédé pour l'affinage du silicium et des ferro-siliciums CH395948A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR809913A FR1461308A (fr) 1959-11-12 1959-11-12 Procédé pour l'affinage des métaux, des métalloïdes et des alliages

Publications (1)

Publication Number Publication Date
CH395948A true CH395948A (fr) 1965-07-31

Family

ID=8721176

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1241060A CH395948A (fr) 1959-11-12 1960-11-07 Procédé pour l'affinage du silicium et des ferro-siliciums

Country Status (7)

Country Link
US (1) US3034886A (fr)
CH (1) CH395948A (fr)
DE (1) DE1159408B (fr)
ES (1) ES262276A1 (fr)
FR (1) FR1461308A (fr)
GB (1) GB949391A (fr)
OA (1) OA03427A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2502607A2 (fr) * 1980-11-18 1982-10-01 Sofrem Perfectionnement au procede d'elimination de l'aluminium et du calcium dans le silicium et les alliages a base de silicium
FR2515163A1 (fr) * 1980-11-18 1983-04-29 Sofrem Procede d'elimination du calcium et de l'aluminium dans le silicium et les alliages a base de silicium

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4172883A (en) * 1978-06-23 1979-10-30 Nasa Method of purifying metallurgical grade silicon employing reduced presure atmospheric control
US4612179A (en) * 1985-03-13 1986-09-16 Sri International Process for purification of solid silicon
CN107352546A (zh) * 2017-06-30 2017-11-17 昆明理工大学 一种硅熔体炉外精炼的装置及其方法
CN107311182A (zh) * 2017-06-30 2017-11-03 昆明理工大学 一种工业硅熔体炉外精炼提纯的设备及其方法
US20220212937A1 (en) * 2019-04-30 2022-07-07 Wacker Chemie Ag Method for refining crude silicon melts using a particulate mediator

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US279947A (en) * 1883-06-26 Ments
US1098346A (en) * 1913-01-17 1914-05-26 Leon Goldmerstein Producing metal alloys.
US1426054A (en) * 1920-07-13 1922-08-15 John Teele Pratt Process of desulphurizing iron ores, iron and steel, and coke used in the metallurgy of iron
US2080159A (en) * 1935-06-05 1937-05-11 Republic Steel Corp Process of treating steel
DE1039752B (de) * 1954-05-24 1958-09-25 Electric Furnace Prod Co Verringerung der Gehalte an Aluminium und Calcium in Silizium oder Silizium enthaltenden Legierungen
CH332463A (de) * 1954-09-24 1958-09-15 Lonza Ag Verfahren zur Reinigung von Rohsilizium
DE1059415B (de) * 1955-11-05 1959-06-18 Heraeus Gmbh W C Verfahren zur Herstellung von reinem Silicium
US2866701A (en) * 1956-05-10 1958-12-30 Vanadium Corp Of America Method of purifying silicon and ferrosilicon
GB872995A (en) * 1956-11-05 1961-07-19 Pechiney Prod Chimiques Sa Process for purifying silicon or a ferro-silicon alloy
US2932564A (en) * 1957-06-21 1960-04-12 Norman R Evans Mica treated metals

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2502607A2 (fr) * 1980-11-18 1982-10-01 Sofrem Perfectionnement au procede d'elimination de l'aluminium et du calcium dans le silicium et les alliages a base de silicium
FR2515163A1 (fr) * 1980-11-18 1983-04-29 Sofrem Procede d'elimination du calcium et de l'aluminium dans le silicium et les alliages a base de silicium

Also Published As

Publication number Publication date
ES262276A1 (es) 1961-06-01
FR1461308A (fr) 1966-02-25
GB949391A (en) 1964-02-12
DE1159408B (de) 1963-12-19
US3034886A (en) 1962-05-15
OA03427A (fr) 1971-03-30

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