CH395948A - Procédé pour l'affinage du silicium et des ferro-siliciums - Google Patents
Procédé pour l'affinage du silicium et des ferro-siliciumsInfo
- 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
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)
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)
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)
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 |
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 |
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 |
CN113412237B (zh) * | 2019-04-30 | 2024-06-07 | 瓦克化学股份公司 | 使用颗粒介质精炼粗硅熔体的方法 |
Family Cites Families (10)
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 |
CH378864A (fr) * | 1956-11-05 | 1964-06-30 | Pechiney Prod Chimiques Sa | Procédé de fabrication de silicium ou de ferrosilicium |
US2932564A (en) * | 1957-06-21 | 1960-04-12 | Norman R Evans | Mica treated metals |
-
1959
- 1959-11-12 FR FR809913A patent/FR1461308A/fr not_active Expired
-
1960
- 1960-10-25 US US64726A patent/US3034886A/en not_active Expired - Lifetime
- 1960-11-07 CH CH1241060A patent/CH395948A/fr unknown
- 1960-11-08 GB GB38395/60A patent/GB949391A/en not_active Expired
- 1960-11-08 ES ES0262276A patent/ES262276A1/es not_active Expired
- 1960-11-10 DE DES71215A patent/DE1159408B/de active Pending
-
1964
- 1964-12-31 OA OA51465A patent/OA03427A/fr unknown
Cited By (2)
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 |
US3034886A (en) | 1962-05-15 |
FR1461308A (fr) | 1966-02-25 |
DE1159408B (de) | 1963-12-19 |
OA03427A (fr) | 1971-03-30 |
GB949391A (en) | 1964-02-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH398640A (fr) | Procédé pour la préparation d'amides non saturées | |
FR1229204A (fr) | Procédé pour le raffinage de mélanges d'hydrocarbures techniques | |
CH395948A (fr) | Procédé pour l'affinage du silicium et des ferro-siliciums | |
FR1322116A (fr) | Nouveau procédé pour l'enrichissement ou le fractionnement isotopique de l'hydrogène | |
FR1361851A (fr) | Procédé pour l'amélioration des gasoils | |
FR1231179A (fr) | Procédé et dispositif d'affinage de la fonte | |
FR1249999A (fr) | Procédé pour l'étude des courants | |
BE601770A (fr) | Procédé pour enlever l'émail des véhicules | |
FR1222115A (fr) | Procédé pour la préparation d'aluminiums-trialcoyles et d'hydrures d'aluminiums-alcoyles | |
FR1209303A (fr) | Procédé et appareillage pour le traitement de l'amidon | |
BE612470A (fr) | Procédé de raffinage de l'amyloglucosidase | |
BE594892A (fr) | Procédé pour le traitement de minerais silicieux contenant du nickel. | |
FR82337E (fr) | Procédé pour l'amélioration des possibilités de traitement des fines | |
FR1299760A (fr) | Procédé de raffinage de l'amyloglucosidase | |
BE599235A (fr) | Procédé at appareil pour la préparation du 2:2'-dipyridyle | |
FR1286212A (fr) | Procédé pour produire des imides polyméthacryliques et des copolymérisats d'imides méthacryliques | |
FR1263881A (fr) | Procédé d'étirage et de raffinage de cristaux semiconducteurs | |
FR1240888A (fr) | Procédé pour le raffinage des alliages de silicium et du silicium élémentaire aumoyen d'un agent légèrement oxydant | |
FR76352E (fr) | Procédé pour l'agglomération de cristaux | |
FR1259305A (fr) | Procédé pour la préparation des n-(5-nitro-2-furfurylidène)-3-amino-2-oxazoli-dones | |
FR1227702A (fr) | Procédé pour épurer l'acétone | |
BE589436A (fr) | Procédé et dispositif d'affinage de la fonte | |
FR1234945A (fr) | Procédé et machine pour l'emboutissage profond de tôles | |
FR80198E (fr) | Procédé et appareillage pour le traitement des lacto-sérum | |
BE595217A (fr) | Procédé pour l'épuration des graisses. |