Production of aluminum chlorides from bauxites and clays

Details Production of aluminum chlorides from bauxites and clays Production of aluminum chlorides from bauxites and clays

1982-09-29

1984-01-10

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423133, 423135, 423 76, 423 79, 423149, 423 80, 423343, C01F 756, C01F 702

Patent

active

044253109

ABSTRACT:
At least a two stage chlorination system for the production of aluminum trichloride and aluminum monochloride wherein in the gas stream containing the highest percentages of aluminum chloride produced CO.sub.2 is present and the said gas stream is passed through a charcoal or devolatilized coke bed in a preferred temperature range of about 1000.degree. C. to 1600.degree. C. to convert the said CO.sub.2 to CO and cycling at least part of the said CO produced to at least the second chlorination stage.

REFERENCES:
patent: 902255 (1908-10-01), Saunders et al.
patent: 1147832 (1915-07-01), Kugelgen et al.
patent: 1858272 (1932-05-01), Jenness
patent: 3704113 (1972-11-01), Hildreth
patent: 3793003 (1974-02-01), Othmer
patent: 3816093 (1974-06-01), Hildreth
patent: 3853541 (1974-12-01), Othmer
patent: 3856508 (1974-12-01), Othmer
patent: 4277446 (1981-07-01), Weston
patent: 4288414 (1981-09-01), Reynolds et al.
patent: 4355007 (1982-10-01), Dunn

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