Title:
METHOD FOR PURIFYING HYDROCHLORIC ACID
Document Type and Number:
Japanese Patent JPH0624706
Kind Code:
A
Abstract:
PURPOSE: To provide a method for simply purifying hydrochloric acid containing alcohols such as isopropyl alcohol.
CONSTITUTION: In hydrochloric acid having an azeotropic concentration or above, containing alcohols, these alcohols are converted into a chlorinated hydrocarbon by a chemical reaction and then the chlorinated hydrocarbon is separated. Then, the separated gas containing unreacted alcohols is absorbed in hydrochloric acid and circulated.
Inventors:
SAKANO TETSUMASA
KAJIMOTO YOSHIHIKO
KAJIMOTO YOSHIHIKO
Application Number:
JP17357392A
Publication Date:
February 01, 1994
Filing Date:
July 01, 1992
Export Citation:
Assignee:
TOKUYAMA SODA KK
International Classes:
C01B7/07; B01D3/00; B01D3/36; C07C17/16; (IPC1-7): C01B7/07; B01D3/00; B01D3/36; C07C17/16; C07C19/02
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