Pyrazinium polyoxometalate tetrakaidecahedron-like crystals esterify oleic acid with equimolar methanol at room temperature
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- 作者：Jing Lia ; Difan Lia ; Jingyan Xiea ; Yangqing Liua ; Zengjing Guoa ; Qian Wanga ; Yinong Lyub ; Yu Zhoua ; njutzhouyu@njtech.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Jun Wanga ; junwang@njtech.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Polyoxometalates ; Ionic liquids ; Acidic ionic crystals ; Uniform morphology ; Biodiesel ; Heterogeneous catalysts
- 刊名：Journal of Catalysis
- 出版年：2016
- 出版时间：July 2016
- 年：2016
- 卷：339
- 期：Complete
- 页码：123-134
- 全文大小：2929 K
文摘
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New solid acid is synthesized from pyrazinium-ionic liquid and polyoxometalate.
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The catalyst has sulfonate acid-functionalized uniform smooth crystal surface.
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Uniform morphology translates into high density narrowly dispersed acid sites.
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It converts 83% of oleic acid into biodiesel at 25 °C and equimolar condition.
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Enhanced mass transfer on uniform external surface accounts for the high activity.