摘要 |
The invention relates to a process for recovering caprolactam from a mixture comprising caprolactam, water, light and heavy components, by subjecting the mixture to a first vacuum distillation resulting in a first bottom product comprising heavy components and caprolactam and in a fist overhead product comprising caprolactam, water, unsaturated lactams and light components; and subjecting at least part of the unsaturated lactams to a hydrogenation.
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申请人 |
DSM N.V.;SMEETS, THEODORUS, MARIA;HANGX, GERARDUS, WILHELMUS, ADRIANUS |
发明人 |
SMEETS, THEODORUS, MARIA;HANGX, GERARDUS, WILHELMUS, ADRIANUS |