乙烯气相醛化制丙醛新型负载催化剂  

A New Supported Vapor Phase Hydroformylation Catalyst for Preparation of Propionic Aldehyde from Ethylene

作　　者：李达刚[1] 

机构地区：[1]中国科学院兰州化学物理研究所

出　　处：《石油化工》1998年第9期627-631,共5页Petrochemical Technology

摘　　要：报道一种新型植物纤维素负载的铑络合物催化剂，在６０～９０℃，４．０～５．０ＭＰａＣ２Ｈ４＋ＣＯ＋Ｈ２混合气体的压力下，乙烯气相醛化制丙醛，乙烯转化率达９８％，产物中丙醛含量达９１％。原位红外光谱、Ｘ－光电子能谱和热谱分析表明，反应前后铑的价态没有改变。在低于２５０℃的条件下，植物纤维素不发生分解。该催化剂除具有在缓和的条件下活性和选择性较高的特点外，还具有贵金属铑易回收的优越性。A new supported rhodium complex catalyst for hydroformylation of ethylene to propionic aldehyde in the vaper phase at 60～90 ℃,4 0～5 0 MPa has been studied.Plant fibers are used as supports. Examinations with IR,XPS and DTA showed that the valence of Rh was not changed after reaction and the plant fibers were not decomposed below 200 ℃.

关 键 词：乙烯 醛化 丙醛 负载催化剂 

分 类 号：TQ224.125[化学工程—有机化工] TQ426.81