Process for the recovery of .epsilon.-caprolactam from reaction

Details Process for the recovery of .epsilon.-caprolactam from reaction Process for the recovery of .epsilon.-caprolactam from reaction

1975-08-01

1977-05-03

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20116

Patent

active

040214222

ABSTRACT:
In commercial processes for producing epsilon-caprolactam, the caprolactam product is in admixture with sulfuric acid. An improved process for removing sulfuric acid from the caprolactam results from treating the admixture with ammonia at superatmospheric pressure.

REFERENCES:
patent: 2221369 (1940-11-01), Cass
patent: 2313026 (1943-03-01), Schlack
patent: 2605261 (1952-07-01), Kahr
patent: 3907781 (1975-09-01), De Rooij et al.
patent: 3937789 (1976-02-01), Donati et al.

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