Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD AND FACILITY FOR PRODUCING BISPHENOL A
Document Type and Number:
Japanese Patent JP2003160524
Kind Code:
A
Abstract:

To provide a method for producing bisphenol A in which other equipment than equipment in a granulation process is not necessary to be stopped even in a trouble in the glanulation process and the required time for the granulation process to restart a normal operation can be shortened, and to provide facilities thereof.

The method for producing bisphenol A comprising a reaction process, a low boiling components removing process, a concentration step, a crystallization and solid-liquid separation process, a heating and melting process, a phenol removing process and a granulation process, in which at least part of the bisphenol A discharged from the phenol removing process is transferred back to the concentration process according to a processing capacity of the glanulation process, and the facilities for producing bisphenol A are provided.


Inventors:
KODAMA MASAHIRO
HIRANO KAZUYUKI
OGATA NOBUO
Application Number:
JP2001357023A
Publication Date:
June 03, 2003
Filing Date:
November 22, 2001
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
IDEMITSU PETROCHEMICAL CO
International Classes:
C07C37/70; C07C39/16; (IPC1-7): C07C37/70; C07C39/16
Attorney, Agent or Firm:
Otani Ho