化工进展 ›› 2012, Vol. 31 ›› Issue (01 ): 74-82.

• 工业催化 • 上一篇    下一篇

甘油脱水制丙烯醛催化剂的研究进展

黄士学1,崔洪友1,钱绍松2,谷俊峰1,卜小蒙1   

  1. 1山东理工大学化工学院;2山东理工大学生命科学学院,山东 淄博 255091
  • 出版日期:2012-01-05 发布日期:2012-01-05

Research progress in glycerol dehydration to acrolein

HUANG Shixue1,CUI Hongyou1,QIAN Shaosong2,GU Junfeng1,BU Xiaomeng1   

  1. 1School of Chemical Engineering;2 School of Life Science,Shandong University of Technology,
    Zibo 255091,Shandong,China)
  • Online:2012-01-05 Published:2012-01-05

摘要: 伴随着生物柴油的产量不断增大,大量副产的甘油导致了市场过剩。甘油脱水制取丙烯醛是提高生物柴油经济性的一条有效途径。本文结合近年来甘油脱水制丙烯醛的研究进展情况,分析了液相、气相以及超(亚)临界条件下该反应的特点,重点阐述了气相脱水催化剂的研究进展,讨论了催化剂的微观结构、活性组分的酸碱性和氧化还原位等对催化剂活性、选择性和寿命等的影响,分析了催化剂失活的原因。此外,还讨论了甘油脱水过程的反应机理,指出了今后甘油脱水制丙烯醛的研究方向。

关键词: 甘油, 脱水, 丙烯醛, 催化

Abstract: With the increasing of biodiesel production,a large volume of byproduct glycerol has led to a market surplus. Dehydration of glycerol to acrolein is considered to be an efficient and effective route to improve the economic efficiency of biodiesel production. The reaction characteristics of glycerol dehydration to acrolein under the liquid phase,gas phase and sub-/supercritical water conditions are analyzed. The emphasis is given to the catalysts for glycerol dehydration in gas phase. Effects of microstructure,acidity of the active phase and redox site on the catalytic activity,selectivity and longevity are discussed. The causes for catalyst deactivation are also involved. Moreover,the reaction mechanisms of glycerol dehydration proposed in the literature are presented and the research work in glycerol dehydration to acrolein in the future is proposed.

Key words: glycerol, dehydration, acrolein, catalysis

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