Process for the recovery of .epsilon.-caprolactam from a reactio

Details Process for the recovery of .epsilon.-caprolactam from a reactio Process for the recovery of .epsilon.-caprolactam from a reactio

1978-01-20

1979-01-09

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

423541A, C07D20116

Patent

active

041338103

ABSTRACT:
An improvement of processes for the recovery of .epsilon.-caprolactam wherein a neutralized sulfuric acid is subjected to thermal decomposition, forming a gaseous mixture of ammonia and sulfur dioxide which is thereafter converted to an aqueous solution of ammonium sulfite and/or ammonium hydrogen sulfite which is then used for neutralization of the reaction mixture of lactam and sulfuric acid.

REFERENCES:
patent: 2993889 (1961-07-01), Muytjens et al.
patent: 3336298 (1967-08-01), De Rooij
patent: 3850910 (1972-10-01), Goettsh et al.
patent: 3852223 (1974-12-01), De Rooij
patent: 3859278 (1975-01-01), De Rooij et al.
patent: 3879380 (1975-04-01), De Rooij et al.
patent: 4021422 (1977-05-01), De Rooij et al.
patent: 4049646 (1977-09-01), Furkert
patent: 4054562 (1977-10-01), Furkert
patent: 4081442 (1978-03-01), Wassen et al.

Affiliated with

Also associated with

Rating

Process for the recovery of .epsilon.-caprolactam from a reactio does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the recovery of .epsilon.-caprolactam from a reactio, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the recovery of .epsilon.-caprolactam from a reactio will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1788105