Title:
カルボニル化触媒溶液からの腐蝕金属の除去方法
Document Type and Number:
Japanese Patent JP4856629
Kind Code:
B2
Abstract:
A process for the removal of corrosion metal contaminants from a carbonylation catalyst solution comprising an iridium and/or rhodium carbonylation catalyst, an alkali and/or alkaline earth metal and corrosion metal contaminants in which the catalyst solution is contacted with a cation exchange resin having its active sites partially loaded with a sufficient amount of alkali and/or alkaline earth metal to maintain the concentration of said alkali and/or alkaline earth metal in the catalyst solution and recovering a catalyst solution of reduced corrosion metal contaminant content.
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Inventors:
Pool, andrew, david
Smith, steven, james
Smith, steven, james
Application Number:
JP2007512308A
Publication Date:
January 18, 2012
Filing Date:
March 31, 2005
Export Citation:
Assignee:
BP CHEMICALS LIMITED
International Classes:
B01J23/96; B01J38/00; B01J38/74; B01J39/04; B01J39/18; B01J47/00; C02F1/42; C07C51/47; B01J31/40
Domestic Patent References:
| JPH0811199B2 | 1996-02-07 | |||
| JPH06340574A | 1994-12-13 |
Attorney, Agent or Firm:
Haruo Hamada