Method of recovering hydrochloric acid from a product comprised

Details Method of recovering hydrochloric acid from a product comprised Method of recovering hydrochloric acid from a product comprised

1985-04-30

1987-02-24

Doll, John

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

127 37, 127 461, C01B 708, C13K 104

Patent

active

046456589

ABSTRACT:
A method of recovering concentrated hydrochloric acid from the product obtained from the acid hydrolysis of a cellulose containing material such as biomass. The method involves contacting such product with an extracting solvent, of which a major portion is acetophenone, to separate the product into a hydrochloric acid enriched phase and a hydrochloric acid depleted phase and then separating and recovering the hydrochloric acid from the hydrochloric acid enriched phase.

REFERENCES:
patent: 3870060 (1975-03-01), Liljenzin et al.
patent: 4237110 (1980-12-01), Forster et al.

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