Chlorination of aluminous materials using preselected solid reducing agents
AssigneeAluminum Company of America
InventorsCharles J. Culleiton, Subodh K. Das, Ronald C. Schoener
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Abstract
Chlorination of aluminous materials such as alumina and bauxite is carried out at 575.degree. to 750.degree. C. in the presence of a solid reducing agent. The reducing agent is a green coke which has been calcined at a temperature between 650.degree. C. and 900.degree. C. for a period of from 10 to 120 minutes.
Claims11
A process for the chlorination of aluminous material which comprises reacting aluminous material with chlorine at a temperature of from 575.degree. to 750.degree. C. in the presence of a solid reducing agent obtained by calcining green petroleum coke at a temperature from 650.degree. to 900.degree. C. for a period of from 10 to 120 minutes.
Dependencies are inferred from the claim text.