详细信息
文献类型:期刊文献
中文题名:油酸臭氧氧化法制取壬二酸的研究
英文题名:Synthesis of Azelaic Acid by Ozonolysis of Oleic Acid
作者:才震宇[1];乐清华[1];吴明熹[1]
机构:[1]华东理工大学化学工程研究所,上海200237
年份:2010
卷号:51
期号:6
起止页码:362
中文期刊名:化学世界
外文期刊名:Chemical World
收录:北大核心:【北大核心2008】;CSCD:【CSCD2011_2012】;
语种:中文
中文关键词:油酸;臭氧化;氧化裂解;壬二酸
外文关键词:oleic acid; ozonolysis; oxygenolysis; azelaic acid
摘要:以工业级油酸为原料,醋酸为溶剂,MoO3为催化剂,研究了臭氧氧化法制取壬二酸的过程。系统地考察了溶剂配比、反应温度、气体流量、臭氧浓度、催化剂配比等因素对各步反应的收率,以及壬二酸总收率的影响,并据此优选工艺条件。结果表明,适宜的工艺条件为:原料与醋酸质量比为1;3,催化剂质量浓度为0.5%,臭氧化温度为20-25℃,臭氧浓度为48.63mg/m3,氧化裂解温度为90℃,氧气流量为0.5L/min。在此条件下,壬二酸产品的总收率可达72.42%。
The synthesis of azelaic acid by ozonolysis was described. Azelaic acid was synthesized from oleic acid by using acetic acid as solvent and MoO3 as catalyst. The effects of the major factors,such as the mass ratio of solvent and oleic acid, reaction temperature, gas flow rate, ozone concentration and the amount of catalyst, were systematically studied. The results showed that when the solvent ratio was 1 : 3, the amount of catalyst was 0.5% of oleic acid, the ozonolysis temperature was from 20 to 25 ℃, the ozone concentration was 48.63 mg/m3 , the oxygenolysis temperature was 90 ℃, and the oxygen gas flow rate was 0. 5 L/min, the yield of azelaic acid was up to 72.42%.
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