Method for recovery of hydrogen chloride from dilute solutions

Details Method for recovery of hydrogen chloride from dilute solutions Method for recovery of hydrogen chloride from dilute solutions

1974-04-24

1977-07-19

Stern, Edward

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

423481, 4236585, C01B 708

Patent

active

040369390

ABSTRACT:
The method of recovery of hydrogen chloride in gaseous form from an organic solvent loaded with hydrochloric acid in a dilute aqueous solution consists in carrying out prior to distillation a dehydration of the loaded organic solvent in a dehydration extractor in which the solvent is circulated countercurrent to an aqueous solution having a high chloride concentration.

REFERENCES:
patent: 2303537 (1942-12-01), Frost, Jr.
patent: 2321282 (1943-06-01), Comstock
patent: 2357095 (1944-08-01), Evans et al.
patent: 2726142 (1955-12-01), Reeve
patent: 2797145 (1957-06-01), Gilbert et al.
patent: 3186809 (1965-06-01), Kreevoy et al.
patent: 3779870 (1973-12-01), Gudmundsen et al.
patent: 3883642 (1975-05-01), Franke et al.

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