[EN] A CONTINUOUS PROCESS FOR THE CARBONYLATION OF ETHYLENE<br/>[FR] PROCÉDÉ CONTINU DE CARBONYLATION DE L'ÉTHYLÈNE
申请人:LUCITE INT UK LTD
公开号:WO2011073655A1
公开(公告)日:2011-06-23
A continuous process for carbonylation of ethylene in a liquid phase using carbon monoxide, a co-reactant and a suitable catalyst system is described. The process comprises the steps of: (i) forming a liquid phase comprising the co-reactant and a suitable catalyst system obtainable by combining: (a) a group VIII metal/compound; (b) a ligand of general formula (I) and c) optionally, a source of anions; wherein Q1 is optionally phosphorous; (ii) forming a gaseous phase in contact with the liquid phase by providing at least an ethylene gas input feed stream and a carbon monoxide gas input feed stream wherein the ethylene:CO molar ratio entering the liquid phase from the input feed streams is greater than 2:1; (iii) reacting ethylene with carbon monoxide in the presence of the co-reactant, and of the suitable catalyst system in the liquid phase; wherein the ethylene:CO gas molar ratio in the gaseous phase is between 20:1 and 1000:1 or wherein the molar ratio of ethylene:CO in the liquid phase is greater than 10:1.
描述了一种在液相中使用一氧化碳、共同反应剂和适当的催化剂体系对乙烯进行羰基化的连续过程。该过程包括以下步骤:(i)形成包括共同反应剂和适当催化剂体系的液相,所述催化剂体系可通过组合获得:(a) VIII族金属/化合物;(b) 一般式(I)的配体和(c) 可选地,阴离子源;其中Q1可选为磷;(ii)通过提供至少一个乙烯气体输入流和一个一氧化碳气体输入流形成与液相接触的气相,在其中从输入流中进入液相的乙烯:CO摩尔比大于2:1;(iii)在液相中的共同反应剂和适当的催化剂体系的存在下,将乙烯与一氧化碳反应;其中气相中的乙烯:CO气体摩尔比在20:1至1000:1之间,或液相中的乙烯:CO摩尔比大于10:1。