Title:
精製テレフタル酸の製造方法
Document Type and Number:
Japanese Patent JP2004531573
Kind Code:
A
Abstract:
Disclosed is a process for the production of terephthalic acid by a plurality of process steps including the catalyst oxidation of a dialkylbenzene compound, a second oxidation, a hydrogenation of the product of the second oxidation, and crystallization of the hydrogenation terephthalic acid using a plurality of series-connected crystallizers.
Inventors:
Lin, robert
Omidala, Le Airi Theosamu
Ronald Buford, Shepherd
Omidala, Le Airi Theosamu
Ronald Buford, Shepherd
Application Number:
JP2003501827A
Publication Date:
October 14, 2004
Filing Date:
June 04, 2002
Export Citation:
Assignee:
EASTMAN CHEMICAL COMPANY
International Classes:
B01D9/02; C07B61/00; C07C51/265; C07C51/43; C07C51/487; C07C63/26; (IPC1-7): C07C51/265; B01D9/02; C07C51/43; C07C63/26
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Masaya Nishiyama
Takashi Ishida
Tetsuji Koga
Masaya Nishiyama