Title:
PROCESS FOR THE REMOVAL OF CORROSION METALS FROM CARBONYLATION CATALYST SOLUTIONS
Document Type and Number:
WIPO Patent Application WO/2005/107945
Kind Code:
A1
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.
Inventors:
POOLE ANDREW DAVID (GB)
SMITH STEPHEN JAMES (GB)
SMITH STEPHEN JAMES (GB)
Application Number:
PCT/GB2005/001216
Publication Date:
November 17, 2005
Filing Date:
March 31, 2005
Export Citation:
Assignee:
BP CHEM INT LTD (GB)
POOLE ANDREW DAVID (GB)
SMITH STEPHEN JAMES (GB)
POOLE ANDREW DAVID (GB)
SMITH STEPHEN JAMES (GB)
International Classes:
B01J38/74; B01J39/04; C07C51/47; B01J31/40; (IPC1-7): B01J38/74; C07C51/47; B01J39/04
Domestic Patent References:
WO1997015544A1 | 1997-05-01 |
Foreign References:
EP0265140A1 | 1988-04-27 | |||
US4007130A | 1977-02-08 | |||
US5124290A | 1992-06-23 | |||
EP0618185A1 | 1994-10-05 |
Other References:
See also references of EP 1742739A1
Attorney, Agent or Firm:
Brooke, Caron (Patents & Agreements Chertsey Roa, Sunbury on Thames Middlesex TW16 7LN, GB)
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