Process for recovery of alcohols from sulfuric acid streams

Details Process for recovery of alcohols from sulfuric acid streams Process for recovery of alcohols from sulfuric acid streams

1986-07-21

1988-08-02

Evans, J. E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

260419, 2604295, 568886, 568888, 568889, 568890, C07C 2986, C07C 3112

Patent

active

047615052

ABSTRACT:
According to the process of the present invention, carboxylic acids are recovered from aqueous strong acid mixtures thereof which mixtures are formed as an alcohol-depleted phase by the extraction of alcohols from aqueous strong acid solution with carboxylic acids, by contacting the mixtures with a liquid organic solvent, to form a purified aqueous strong acid stream depleted in such carboxylic acid by contacting such aqueous strong acid mixtures with a liquid organic solvent, such as an alkane, alkene or di-alkyl ether to form a purified aqueous strong acid depleted in such carboxylic acid.

REFERENCES:
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patent: 2081721 (1937-05-01), van Dijck et al.
patent: 2109462 (1938-03-01), Burk et al.
patent: 2196177 (1940-04-01), Burk et al.
patent: 2510806 (1950-06-01), Egbert et al.
patent: 2535069 (1950-12-01), Johnson
patent: 3489779 (1970-01-01), Bearden
patent: 3527790 (1970-09-01), Moundlic et al.
Munson et al, Ind. Eng. Chem. Proc. Des. Dev., vol. 23, No. 1, pp. 109-115 (1984).

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