Reduced temperature aluminum production in an electrolytic cell

Details Reduced temperature aluminum production in an electrolytic cell Reduced temperature aluminum production in an electrolytic cell

1997-09-10

2000-02-29

Valentine, Donald R.

Electrolysis: processes, compositions used therein, and methods

Electrolytic synthesis

Utilizing fused bath

205394, 205395, 2042431, 204244, 204291, 204292, C25C 306, C25C 308, C25C 318

Patent

active

060305185

ABSTRACT:
Aluminum is produced by electrolytic reduction of alumina in a cell having a cathode, an inert anode and a molten salt bath containing metal fluorides and alumina. The inert anode preferably contains copper, silver and oxides of iron and nickel. Reducing the molten salt bath temperature to about 900-950.degree. C. lowers corrosion on the inert anode constituents.

REFERENCES:
patent: 4620905 (1986-11-01), Tarcy et al.
patent: 5019225 (1991-05-01), Darracq et al.
patent: 5279715 (1994-01-01), LaCamera et al.
patent: 5284562 (1994-02-01), Beck et al.
patent: 5378325 (1995-01-01), Dastolfo, Jr. et al.
patent: 5865980 (1999-02-01), Ray et al.

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