草酸酯加氢制备乙二醇影响因素分析  

Analysis of Influence Factors of Preparation of Ethylene Glycol by Hydrogenation of Oxalate Esters

作　　者：杨帅龙 高姣 Yang Shuailong;Gao Jiao(Henan Longyu Coal Chemical Co.,Ltd.,Yongcheng 476600,China)

机构地区：[1]河南龙宇煤化工有限公司,河南永城476600

出　　处：《山东化工》2022年第4期103-104,107,共3页Shandong Chemical Industry

摘　　要：煤制乙二醇技术越来越受到煤化工行业的重视,而草酸酯加氢作为关键步骤,其制备过程中影响因素众多。催化剂载体类型、助催化剂、Cu负载量、还原温度、反应温度、反应压力、氢酯比、空速等都直接影响到乙二醇的选择性和收率。通过对各个因素进行分析,对工业生产具有重要指导意义。The technology of making ethylene glycol from coal was getting more and more attention.Hydrogenation of oxalate esters was an important steps in the technology.But there were a number of influence factors,such as type of catalyst support,promoter,capacity of Cu,reduction temperature,reaction temperature,reaction pressure,the ratio of H2 and oxalate esters,space velocity,and so on.The selectivity and conversion of ethylene glycol were influenced by them.It was certain guiding significance in industry by analyzing influence factors.

关 键 词：草酸酯 加氢 乙二醇 影响因素 

分 类 号：TQ223.162[化学工程—有机化工] O643.3[理学—物理化学]