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Title:
【発明の名称】硫酸アンモニウム溶液相と水性ラクタム相とを含む混合物を処理する方法
Document Type and Number:
Japanese Patent JP2003507294
Kind Code:
A
Abstract:
The invention relates to a process for treating a mixture, in particular a neutralized Beckmann rearrangement mixture, comprising i) an ammonium sulfate solution phase containing first organic impurities and ii) an aqueous lactam phase containing second organic impurities, wherein said process comprises forming an aqueous liquid containing the first and second organic impurities, and subjecting the aqueous liquid to a wet air oxidation process to purify the aqueous liquid.

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Inventors:
Remens, Johannes, Albertas, Wilhelms
Lansu, Anne, Maria, Artur
Ekellenkamp, Gért
Debay, Johannes, Elisabeth, Pierre
Application Number:
JP2001516854A
Publication Date:
February 25, 2003
Filing Date:
August 15, 2000
Export Citation:
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Assignee:
DSM N.V.
International Classes:
C07D223/10; C01C1/24; C07D201/16; (IPC1-7): C01C1/24; C07D201/16; C07D223/10
Domestic Patent References:
JPS60199873A1985-10-09
JPH06172304A1994-06-21
JPH02279514A1990-11-15
JPS4932716B11974-09-02
JPS62149665A1987-07-03
Attorney, Agent or Firm:
Mitsuo Matsui



 
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