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

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

C - Chemistry, Metallurgy

07

D

260/241.95

C07D 223/10 (2006.01) C07D 201/16 (2006.01)

Patent

CA 1084919

ABSTRACT OF THE DISCLOSURE A process for removing sulfuric acid from reaction mixtures containing sulfuric acid and .epsilon.- caprolactam by treating the sulfuric acid with ammonia and sulfur dioxide to produce ammonium sulfate salts and reducing the ammonium sulfate salts to ammonia and sulfur dioxide. - 1 -

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