VERFAHREN ZUR HERSTELLUNG VON KOHLENSTOFFARMEM SILICIUM

Silicon having a low carbon content is produced by removing carbon from molten silicon by heating the molten silicon to temperatures of 1420 DEG to 1900 DEG C. and establishing a temperature gradient of 30 DEG to 400+ K. in the melt.

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Bibliographische Detailangaben
Hauptverfasser:	SCHWIRTLICH,INGO,.DR, KOCH,WOLFGANG,.DR, WODITSCH,PETER,.DR
Format:	Patent
Sprache:	ger
Schlagworte:	CHEMISTRY COMPOUNDS THEREOF FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS SEPARATION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Silicon having a low carbon content is produced by removing carbon from molten silicon by heating the molten silicon to temperatures of 1420 DEG to 1900 DEG C. and establishing a temperature gradient of 30 DEG to 400+ K. in the melt.