Title:
METHOD FOR RECOVERING ISOPHORONE
Document Type and Number:
Japanese Patent JPH0748308
Kind Code:
A
Abstract:
PURPOSE: To provide a method for recovering isophorone to reduce COD in discharge water and further, reduce use ratio of a raw material.
CONSTITUTION: In a method for recovering isophorone from discharge water, isophorone is recovered from discharge water containing isophorone using an isophorone derivative as a solvent for extraction. Thereby, COD in discharge water is reduced and it is made possible to reduce use ratio of raw material acetone without carrying out large-scale separation and purification after recovering.
Inventors:
YOSHIDA YUKIO
Application Number:
JP19454593A
Publication Date:
February 21, 1995
Filing Date:
August 05, 1993
Export Citation:
Assignee:
DAICEL CHEM
International Classes:
B01D11/04; C07C45/80; C07C49/543; C07C49/603; (IPC1-7): C07C49/543; B01D11/04; C07C45/80
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