Production of aluminum chloride from clay using staged reactors

Details Production of aluminum chloride from clay using staged reactors Production of aluminum chloride from clay using staged reactors

1978-12-22

1980-07-22

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423136, 423137, 423343, 75113, C01F 756, C01F 758

Patent

active

042139430

ABSTRACT:
Aluminum chloride is produced from clay containing aluminum oxide and silicon oxide by chlorinating clay in at least two stages with a mixture consisting of a chlorinating agent, a reducing agent, an alkali metal compound catalyst and silicon tetrachloride in which the proportions and amounts of the feed gases to each stage are separately regulated to suit the needs of the aluminum chloride production reaction in that stage. The effluent gases from the successive stages are collected and the silicon tetrachloride is separated from such gases and recycled back into the reactors to promote chlorination of the aluminum oxide in the clay while suppressing net chlorination of the silicon oxide fraction of the clay.

REFERENCES:
patent: 1866731 (1932-07-01), Slaib
patent: 1875105 (1932-08-01), Muggleton et al.
patent: 3760066 (1973-09-01), Calcagno et al.
patent: 4086320 (1978-04-01), Martin et al.
patent: 4096234 (1978-06-01), Martin et al.

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