乙酸钴催化甘油与CO_2合成甘油碳酸酯反应研究  

SYNTHESIS OF GLYCEROL CARBONATE FROM GLYCEROL AND CARBON DIOXIDE OVER COBALT ACETATE CATALYST

作　　者：刘英梅[1] 

机构地区：[1]沧州职业技术学院,河北沧州061001

出　　处：《精细石油化工》2014年第1期25-27,共3页Speciality Petrochemicals

摘　　要：研究了在相同反应条件下不同乙酸盐对该反应的催化性能,发现乙酸钴的催化效果较好。最佳反应条件为:反应温度180℃、反应初始压力2.0MPa、反应时间6h、催化剂用量2.5%、乙腈与甘油的摩尔比4∶1,在此条件下,甘油的转化率为36.7%,甘油碳酸酯的收率和选择性分别为4.6%和12.5%。Different acetate catalysts were tested under the same reaction conditions for the synthesis of glycerol carbonate from glycerol and CO2.Co（OAc）2 showed the best catalytic activity.The suitable reaction conditions were determined as follows：reaction temperature of 180 ℃,initial reaction pressure of 2.0 MPa,reaction time of 6 h,molar ratio of solvents to glycerol 4 ∶ 1 and catalyst weight percentage of 2.5％.Under the above reaction conditions,the conversion of glycerol was 36.7％,the yield and the selectivity of GC were 4.6％ and 12.5％,respectively.

关 键 词：甘油碳酸酯 甘油 二氧化碳 乙酸钴 

分 类 号：TQ233.2[化学工程—有机化工]