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首页> 外文期刊>Fuel >Production of biodiesel by esterification of natural fatty acids over modified organoclay catalysts
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Production of biodiesel by esterification of natural fatty acids over modified organoclay catalysts

机译：通过在改性有机粘土催化剂上将天然脂肪酸酯化来生产生物柴油

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摘要

Biodiesel has been produced by esterification of natural fatty acids with methanol in the presence of a modified bentonite with 1 -benzyl- lH-benzimidazole-based Bronsted acidic ionic liquids as catalysts. The effect of reaction temperature, type and amount of catalyst, molar ratio and reaction time was investigated. The results showed that MB3B (bentonite modified with 3,3'-(butane-l,6-diyl)bis(6-sulfo-l-(4-sulfobenzyI)-lH-benzimidazolium) hydrogensulfate) has the highest catalytic activity and best recycUbility under the optimized reaction conditions. Thus, this modified bentonite is able to catatyze the esterification of oleic acid to its methyl ester in 6 h with yields of more than 92%. The catalytic activity of MB3B for the esterification of natural other fatty acids and alcohols has also been studied.
机译：在改性膨润土存在下，以1-苄基-1H-苯并咪唑基的布朗斯台德酸性离子液体为催化剂，通过天然脂肪酸与甲醇的酯化反应生产生物柴油。研究了反应温度，催化剂类型和用量，摩尔比和反应时间的影响。结果表明，MB3B（用3,3'-（丁烷-1,6-二基）双（6-磺基-1-（4-磺基苯甲醛）-1H-苯并咪唑鎓）硫酸氢盐改性的膨润土）具有最高的催化活性和最佳的优化反应条件下的可回收性。因此，这种改性的膨润土能够在6小时内催化油酸酯化为其甲酯，收率超过92％。还研究了MB3B对天然其他脂肪酸和醇酯化的催化活性。

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  • 来源
    《Fuel》 |2011年第11期|p.3382-3389|共8页
  • 作者

    M. Ghiaci; B. Aghabarari; A. Gil;

  • 作者单位

    Department of Chemistry, Isfahan University of Technology, Isfahan 84156831U, Iran;

    Department of Chemistry, Isfahan University of Technology, Isfahan 84156831U, Iran;

    Department of Applied Chemistry, Building I05 Acebos, Public University ofNavarra, Campus of Arrosadia, E-3W06 Pamplona, Spain;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    bentonite; biodiesel; natural fatty acids; ionic liquid; transesterification;

    机译：膨润土生物柴油天然脂肪酸;离子液体酯交换;

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