Title:
【発明の名称】ε‐カプロクタムの回収方法
Document Type and Number:
Japanese Patent JPS6051464
Kind Code:
B2
Abstract:
A process for recovering substantially pure epsilon -caprolactam from a contaminated solution thereof is disclosed by concentrating, if needed, the caprolactam content of the solution to about 60-75 weight percent then extracting the concentrated solution with an organic solvent such as benzene or the like, then recovering the resulting caprolactam-laden organic solution.
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Inventors:
ABURAHAMU HERUMANNASU DE RUUJI
REIJAA GOETOTSUSHU
REIJAA GOETOTSUSHU
Application Number:
JP4974876A
Publication Date:
November 14, 1985
Filing Date:
April 30, 1976
Export Citation:
Assignee:
STAMICARBON
International Classes:
C01C1/24; C07D201/16; (IPC1-7): C07D201/16
Attorney, Agent or Firm:
Toshio Yano