Title:
DEVICE FOR PURIFYING SOLVENT AND PURIFICATION OF SOLVENT
Document Type and Number:
Japanese Patent JP3858327
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a solvent-purifying device easy in operation, low in running cost and capable of surely removing basic substances such as ammonia contained in an organic solvent to pure the organic solvent in high purity.
SOLUTION: This solvent-purifying device comprises a flush tower 1 for flush-distilling an organic solvent, an absorption tower 2 vacuumized with an ejector 3 in order to allow the organic solvent to absorb the vapor pulled out from the flush tower, a receiving tank 4 for receiving the organic solvent flowed out from the absorption tower 2 and absorbing the vapor and for storing the organic solvent to be supplied to the absorption tower 2, and a driving line for using the organic solvent stored in the receiving tank 4 to drive the ejector 3.
Inventors:
Hironobu Miyanishi
Satoshi Hamada
Satoshi Hamada
Application Number:
JP7605297A
Publication Date:
December 13, 2006
Filing Date:
March 27, 1997
Export Citation:
Assignee:
TORAY INDUSTRIES,INC.
International Classes:
B01D53/14; C07B61/00; B01D3/06; C07B63/00; C07C231/24; C07C233/03; C07C233/05; C07C315/06; (IPC1-7): C07B61/00; B01D3/06; B01D53/14; C07B63/00; C07C231/24; C07C233/03; C07C233/05; C07C315/06
Domestic Patent References:
| JP63193588U |