Method for minimizing hydrogen halide corrosion in a partial oxi

Details Method for minimizing hydrogen halide corrosion in a partial oxi Method for minimizing hydrogen halide corrosion in a partial oxi

1997-07-09

1999-02-02

Killos, Paul J.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Halogenous component

252373, C01B 700, C07C 102

Patent

active

058660917

ABSTRACT:
The present invention relates to a method for minimizing hydrogen halide corrosion in quench gasifier during the non-catalytic partial oxidation reaction of a halogen-containing hydrocarbonaceous feed, to produce a hydrogen halide-containing synthesis gas, finely divided particulate solids, and a nontoxic slag. The hydrogen halide-containing synthesis gas is contacted with water in the quench zone of the gasifier. The quench water contains a neutralizing agent, in excess of the amount necessary to neutralize hydrogen halide acids present therein, to thereby form halide salts. The quench water containing the halide salts is purified to recover the halide salts. The salt-free water is essentially environmentally non-toxic and can either be recycled to the process or discarded in conformity with environmental regulations.

REFERENCES:
patent: 4468376 (1984-08-01), Suggitt
patent: 5401282 (1995-03-01), Leininger
patent: 5611963 (1997-03-01), Unger

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