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固载磷钨酸催化合成中碳链甘三酯的动力学和热力学研究

Kinetics and Thermodynamics on Synthesis of Medium-chain Tri-Glycerides Using Phosphotungstic Acid on Carbon as a Catalyst

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【作者】 余春涛王兴国金青哲刘元法

【Author】 YU Chun-tao,WANG Xing-guo,JIN Qing-zhe,LIU Yuan-fa (School of Food Science, Southern Yangtze University, Wuxi 214036, China)

【机构】 江南大学食品学院江南大学食品学院 江苏无锡214036江苏无锡214036江苏无锡214036

【摘要】 利用固载的磷钨酸作催化剂对中碳链脂肪酸和甘油的酯化反应进行了研究,探讨了合成中碳链甘油酯的动力学规律,同时在真空的体系下对酯化反应热力学进行了研究,建立了热力学平衡模型,求出了热力学平衡常数。

【Abstract】 Using the phosphatotungstic acid on activated carbon as a catalyst, the reaction of medium-chain fatty acid and glycerol was studied. The kinetics on synthesizing medium-chain tri-glycerides were discussed. Meanwhile, in the high vacuum, thermodynamics of esterification was investigated. Thermodynamics equilibrium model was established and equilibrium con- stants were obtained.

【关键词】 催化合成动力学热力学
【Key words】 catalyzesynthesizekineticsthermodynamics
  • 【分类号】O623
  • 【被引频次】14
  • 【下载频次】308
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