Process for the production of finely divided oxides of metals

Details Process for the production of finely divided oxides of metals Process for the production of finely divided oxides of metals

1980-06-06

1982-10-19

Cooper, Jack

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

423241, 423337, 423592, 423612, 423613, 423625, C01B 3318

Patent

active

043550150

ABSTRACT:
The residual gas obtained in the pyrogenic production of metal oxides or metalloid oxides contain besides the desired product elemental chlorine if a chlorine containing starting material is employed. After cooling the residual gas the elemental chlorine is reacted to form hydrogen chloride by using an aqueous solution of a reducing agent and in this form the chlorine is subsequently washed out of the residual gas.

REFERENCES:
patent: 2665190 (1954-01-01), Congdon et al.
patent: 3357796 (1967-12-01), Howard et al.
patent: 3896213 (1975-07-01), Hirdler

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