Title:
フェノールの生産及び精製法:ハイドロタルサイトによるヒドロキシアセトンの除去
Document Type and Number:
Japanese Patent JP2005521739
Kind Code:
A
Abstract:
A process for converting carbonyl-type impurities contained in a phenolic solvent to high-boiling derivatives is provided by contacting the phenolic solvent with a hydrotalcite-type material (HTM). The phenol can be separated from the high-boiling derivatives using conventional separation techniques, such as distillation, so the invention also provides a process for separating carbonyl-type impurities, such as hydroxyacetone (HA), from a phenolic solvent. The process can be applied in the conventional industrial process for converting cumene to phenol to remove carbonyl-type impurities from the phenol product. A process and a facility for producing purified phenol by converting cumene to phenol are provided. In the conversion of cumene to phenol, the phenol often contains carbonyl-type impurities. The phenol and carbonyl-type impurities are reacted in the presence of an HTM to produce phenol and high-boiling derivatives. The phenol may be further purified using conventional separation techniques, such as distillation, to remove the high-boiling derivatives.
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Inventors:
Fulmer, John W
Sing, Bukharat
Kumbaa, Pramod
Bamboo, prachant anil
Hashyagar, Umesh
Sing, Bukharat
Kumbaa, Pramod
Bamboo, prachant anil
Hashyagar, Umesh
Application Number:
JP2003582109A
Publication Date:
July 21, 2005
Filing Date:
March 13, 2003
Export Citation:
Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
C07C37/08; C07C37/74; C07C37/86; C07C39/04; (IPC1-7): C07C37/86; C07C37/08; C07C37/74; C07C39/04
Attorney, Agent or Firm:
Kenichi Matsumoto
Hirokazu Ogura
Nobukazu Ito
Toshihisa Kurokawa
Hirokazu Ogura
Nobukazu Ito
Toshihisa Kurokawa