Process for the recovery of pyridine and 3-methylpyridine

Details Process for the recovery of pyridine and 3-methylpyridine Process for the recovery of pyridine and 3-methylpyridine

1976-12-06

1980-12-02

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546251, C07D21312

Patent

active

042372992

ABSTRACT:
Pyridine and 3-methylpyridine prepared by the catalytic reaction of acrolein or a mixture of acetaldehyde and acrolein with ammonia is recovered from the gas mixture formed by cooling the gas mixture and working up the condensate separated in the cooling. The gaseous mixture is first cooled to a temperature between 40.degree. and about 80.degree. C. and then cooled to a temperature between about 10.degree. and below 40.degree. C.

REFERENCES:
patent: 4171445 (1979-10-01), Beschke et al.

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