METHOD AND APPARATUS FOR CRYSTALLIZATION OF ORGANIC COMPOUND THROUGH ADIABATIC COOLING

WIPO Patent Application WO/2006/112187

A1

[PROBLEMS] To provide a method and apparatus for the crystallization of an organic compound through adiabatic cooling, which can attain a reduction in operation and equipment cost. [MEANS FOR SOLVING PROBLEMS] In a crystal tank (20), an organic-compound liquid mixture containing a refrigerant is subjected to an operation for adiabatically cooling and vaporizing the refrigerant. The vapor generated is pressurized with a compressor (30) to a pressure not lower than the operation pressure in the crystal tank (20) and led to an absorption condenser (10). In the absorption condenser (10), the pressurized vapor is cooled and condensed while keeping it in contact with a solution of the organic compound. This condensate is passed through an evaporator (50) and finally led to the crystal tank (20). In the evaporator (50), a given amount of the refrigerant is adiabatically cooled and vaporized beforehand and the vapor generated in the evaporator (50) is pressurized with a compressor (30) to a pressure not lower than the operation pressure in the crystal tank and led to the absorption condenser (10) together with the vapor sent from the crystal tank (20).

TAKEGAMI KEIZO (JP)
MIWA KOJI (JP)
ISHII KIWAMU (JP)
WAKAYAMA JUNJI (JP)

PCT/JP2006/304331

October 26, 2006

March 07, 2006

Click for automatic bibliography generation  

TSUKISHIMA KIKAI CO (JP)
TAKEGAMI KEIZO (JP)
MIWA KOJI (JP)
ISHII KIWAMU (JP)
WAKAYAMA JUNJI (JP)

B01D9/02; C07B63/00; C07C7/14; C07C13/18; C07C15/08

JPS5333551B1	1978-09-14
JPS4322293Y1	1968-09-19
JPH05309203A	1993-11-22
JPH0342001A	1991-02-22

Nagai, Yoshihisa (3-2 Kajicho 2-chom, Chiyoda-ku Tokyo 44, JP)

View/Download PDF      PDF Help

Previous Patent: ACTUATOR FOR OPTICAL SCANNING

Next Patent: METHOD AND APPARATUS FOR CRYSTALLIZATION OF ORGANIC COMPOUND THROUGH ADIABATIC COOLING