厌氧发酵残留物固体酸催化小桐子油酯化反应

Catalytic Performance of Anaerobic Fermentation Residues Solid Acid in Jatropha Oil Esterification Reaction

摘要: 优选一步法合成的紫茎泽兰厌氧发酵残留物固体酸为催化剂，考察其催化酸化小桐子油的酯化反应效果。着重考察醇油摩尔比、催化剂用量、反应时间和反应温度等因素的影响。试验结果表明，紫茎泽兰厌氧发酵残留物碳基固体酸可显著提高酯化反应效率，在醇油摩尔比为8∶1、催化剂用量为4%、反应温度为80 ℃和反应时间2 h的反应条件下，转化率可达76.32%。试验提供了紫茎泽兰综合利用的新方法，具有良好的应用前景。

Abstract: The sulfonated solid acid catalyst was produced from anaerobic fermentation residues and sulphuric acid by one-pot systhesis.Its catalytic performance was investigated in the Jatropha oil esterification reaction and different reaction condition factors were discussed.Experiments showed solid acid had great efficiency in the esterification reaction.The conversion rate was 76.32% under optimal conditions of 80 ℃，2 h，methanol/oil molar ratio 8∶1 and 4% catalyst.The research provided a new way for comprehensive utilization of eupatorium adenophorum，and would have a good prospect in application fields.