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首页> 外文期刊>Journal of industrial and engineering chemistry >Esterification of oleic acid in soybean oil on zeolite catalysts with different acidity
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Esterification of oleic acid in soybean oil on zeolite catalysts with different acidity

机译：不同酸度的沸石催化剂上大豆油中油酸的酯化反应

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摘要

The catalytic activity of zeolites was studied in the esterification of oleic acid with methanol in soybean oil. The influences of acidity and pore structure of the zeolites were investigated in relation to conversion of the oleic acid on the zeolite catalysts. H~+ ion exchanged ZSM-5 (HMF1) and mordenite (HMOR) zeolites conducted with different Si/Al ratio were employed to examine an influence of acidity in the reaction. Conversion of oleic acid was about 80% on HMOR zeolites and HMFI(25) zeolite. The conversion of oleic acid was improved as the amount of acid site increased. The amount of acid site of the zeolites affected significantly the catalytic activity in the esterification of oleic acid.
机译：研究了大豆油中油酸与甲醇的酯化反应中沸石的催化活性。考察了酸度和沸石孔结构对油酸在沸石催化剂上转化率的影响。用H / +离子交换ZSM-5（HMF1）和丝光沸石（HMOR）沸石以不同的Si / Al比进行了反应，以考察酸度对反应的影响。在HMOR沸石和HMFI（25）沸石上，油酸的转化率约为80％。随着酸位点数量的增加，油酸的转化率提高。沸石的酸位的量显着影响油酸酯化中的催化活性。

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