Title:
SEPARATION AND RECOVERY OF RESPECTIVE COMPONENTS FROM MIXTURE CONTAINING ACETONITRILE AND ETHYL ACETATE OR ISOPROPANOL
Document Type and Number:
Japanese Patent JPH09169715
Kind Code:
A
Abstract:
To separate and recover respective components in high yields and in high purity by adding the third component to the mixture of acetonitrile with ethyl acetate or isopropanol and subsequently distilling the mixture.
A solvent mixture containing ethyl acetate and acetonitrile in a weight ratio of 100:(10-100) or a solvent mixture containing isopropanol and acetonitrile in a weight ratio of 100:(50-100) is mixed with normal hexane as the third component and subsequently distilled.
Inventors:
KISHIMOTO AKIRA
NAKANE KAZUHIRO
HANEDA HIDETOSHI
IIDA SHIGEO
NAKANE KAZUHIRO
HANEDA HIDETOSHI
IIDA SHIGEO
Application Number:
JP33311895A
Publication Date:
June 30, 1997
Filing Date:
December 21, 1995
Export Citation:
Assignee:
SANWA YUKA KOGYO KK
International Classes:
B01D3/36; C07C29/80; C07C31/10; C07C67/54; C07C69/14; C07C253/34; C07C255/08; (IPC1-7): C07C255/08; B01D3/36; C07C67/54; C07C69/14; C07C253/34
Attorney, Agent or Firm:
Hiroshi Miyake (1 person outside)