Process for purification of hydrochloric acid

Details Process for purification of hydrochloric acid Process for purification of hydrochloric acid

1991-03-20

1992-06-16

Niebling, John

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

556466, C01B 707, C07F 712

Patent

active

051223562

ABSTRACT:
A process for purification of hydrochloric acid containing hydrogen fluoride, which process comprises steps of:

REFERENCES:
patent: 2719859 (1955-10-01), Nitzsche et al.
patent: 2757189 (1956-07-01), Classen et al.
patent: 4714604 (1987-12-01), Olson
patent: 4780556 (1988-10-01), Hata et al.
Chemical Abstracts, vol. 100, No. 16, Apr. 16, 1984, p. 130, Abstract No. 123487e, Columbus, Ohio, US: & JP-A-58-223604 (Daikin Kogyo Co.) Dec. 26, 1983.
Patent Abstracts of Japan, vol. 12, No. 117 (C-487) [2964], Apr. 13, 1988, & JP-A-62 241806 (Asahi Glass Co. Ltd.) Oct. 22, 1987.

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