Title:
【発明の名称】テレフタル酸の製造方法
Document Type and Number:
Japanese Patent JP3032907
Kind Code:
B2
Abstract:
This invention relates to a process for manufacturing terephthalic acid and more particularly, to a process for manufacturing and recovering the highly purified terephthalic acid, in accordance with the practice of this invention comprising the following procedurses: alkali weight-reduction waste water discharged from weight-reduction process in a polyester textile dyeing complex is dissolved in water, adsorbed to remove impurities, and through acid-neutralization, terephthalic acid of this invention may be obtained.
Inventors:
Han Duk Low
Donmoku fly
Donmoku fly
Application Number:
JP52421997A
Publication Date:
April 17, 2000
Filing Date:
December 30, 1995
Export Citation:
Assignee:
Seungkyung Industries Company, Limited
International Classes:
C08J11/16; C07C27/02; C07C51/09; C07C51/42; C07C63/26; (IPC1-7): C07C51/09; C07C51/43; C07C63/26; C08J11/16
Domestic Patent References:
| JP2184651A | ||||
| JP60163843A | ||||
| JP6143139A | ||||
| JP6145097A | ||||
| JP60216884A |
Attorney, Agent or Firm:
Eiko Funahashi