Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ivb metal
Patent
1980-03-25
1981-02-24
Carter, Herbert T.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group ivb metal
423 77, 423 79, 423133, 423136, 423137, 423149, 423343, 423492, 423495, 423210, 423240, 4232105, 423561R, C01G 2302, C01F 762
Patent
active
042527740
ABSTRACT:
A method of producing aluminum chloride from aluminous materials containing compounds of iron, titanium and silicon comprising reacting the aluminous materials with carbon and a chlorine-containing gas at a temperature of about 900.degree. K. to form a gaseous mixture containing chlorides of aluminum, iron, titanium and silicon and oxides of carbon; cooling the gaseous mixture to a temperature of about 400.degree. K. or lower to condense the aluminum chlorides and iron chlorides while titanium chloride and silicon chloride remain in the gas phase to effect a separation thereof; heating the mixture of iron chlorides and aluminum chlorides to a temperature of about 800.degree. K. to form gaseous aluminum chlorides and iron chlorides; passing the heated gases into intimate contact with aluminum sulfide to precipitate solid iron sulfide and to form additional gaseous aluminum chlorides; and separating the gaseous aluminum chloride from the solid iron sulfide.
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Keller Rudolf
Loutfy Raouf O.
Yao Neng-Ping
Besha Richard G.
Carter Herbert T.
Denny James E.
Fisher Robert J.
The United States of America as represented by the United States
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