B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 31/40 (2006.01) B01J 38/74 (2006.01) C07C 51/12 (2006.01) C07C 51/47 (2006.01) C07C 53/08 (2006.01)
Patent
CA 2234853
A process for treating low water content carbonylation catalyst solutions which contain a rhodium component and an alkali metal component to remove metallic corrosion products is disclosed. The process comprises contacting the catalyst solution with an ion exchange resin, preferably in the lithium form, and a sufficient amount of water to decrease the concentration of alkali metal ions to optimize removal of corrosion metal products.
L'invention concerne un procédé de traitement de solutions de catalyseur de carbonylation à faible teneur en eau, contenant un composé de rhodium et un composé de métal alcalin, visant à éliminer les produits métalliques de corrosion. Le procédé consiste à mettre la solution de catalyseur en contact avec une résine échangeuse d'ions, de préférence sous forme lithium, et avec une quantité d'eau suffisante pour diminuer la concentration en ions de métaux alcalins et optimiser l'élimination de produits métalliques de corrosion.
Broussard Jerry Allen
Warner R. Jay
Hoechst Celanese Corporation
Smart & Biggar
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