Aluminium-silicon alloys prodn - using charge contg petroleum coke/carbon black as reducing agent

alloys of low Fe- and Ti content are obtained by using a charge in the form of briquettes, consisting of silica-alumina contg. material, and a C-contg. reducing agent comprising a mixt. of petroleum coke and carbon black in which the ratio of coke to carbon black referred to the non-volatile C-conte...

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Hauptverfasser:	I. WOL'PIN,PAWEL, S. SCHPAK,GRIGORIJ, W. TIMOFEEW,WLADIMIR, I. RAGULINA GEB. GORBUNOWA,RAISA, W. IL'INKOW,DMITRIJ, A. ARTEMENKO,STANISLAW, S. GUS',DMITRIJ, A. BERESCHNOJ,IWAN, P. CHRENNIKOWA GEB. ISAEWA,LJUDMILA, S. TARASOW,MICHAIL, M. RAPOPORT,WLADIMIR, I. BRUSAKOW,JURIJ, P. ISAEWA GEB. MEL'ZER,ELENA, P. RUMJANZEW,WASILIJ, CH. ALIWOJWODITSCH,MIRO, P. AWDEEW,MICHAIL, M. WARJUSCHENKOW,ANATOLIJ, A. RSCHAWIN,SERGEJ, P. KISELEW,WASILIJ, G. KUTSCHERENKO,ANATOLIJ
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	alloys of low Fe- and Ti content are obtained by using a charge in the form of briquettes, consisting of silica-alumina contg. material, and a C-contg. reducing agent comprising a mixt. of petroleum coke and carbon black in which the ratio of coke to carbon black referred to the non-volatile C-content of the charge is 3.0:1 to 0.5:1. The charge pref. contains a sulphite-alcohol extract based on Na, Mg, and/or ammonium cations, and may contain chlorides and fluorides of alkali- and/or alkaline earth metal in amounts of up to 3% of the wt. of the charge. The alloy is suitable for e.g. deoxidation of steel melts or as reduction medium in metallo-thermal processes.