Nitric acid process for production of adipic acid from hydrocarb

Details Nitric acid process for production of adipic acid from hydrocarb Nitric acid process for production of adipic acid from hydrocarb

1970-06-15

1983-03-01

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

560191, 560193, 560198, 562528, 562529, 562530, 562540, 562549, 562590, 562593, C07C 6708

Patent

active

043755526

ABSTRACT:
Waste streams from adipic acid manufacture containing nitric, succinic, glutaric and adipic acids and valuable catalytic metal as salts are treated with alcohols, thereby separating, as esters, succinic and glutaric acids which would contaminate pure adipic acid on recycling, and allowing the re-use of the resulting stream containing nitric acid and metal catalytic salts.

REFERENCES:
patent: 2824122 (1958-02-01), Kuceski
patent: 2968674 (1961-01-01), Franke et al.
patent: 3329712 (1967-07-01), Danly et al.

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