生物基甘油气相脱水制丙烯醛的研究进展  

Research progress in bioglycerol dehydration in vapor phase to acrolein

作　　者：刘珂[1] 张琪[1] 王敏 马成梁 黄柬皓 梁伟涛 毛周庆恒 侯侠[1] LIU Ke;ZHANG Qi;WANG Min;MA Cheng-liang;HUANG Jian-hao;LIANG Wei-tao;MAO Zhou-qing-heng;HOU Xia(Lanzhou Petrochemical Polytechnic,Lanzhou 730060,Gansu,China)

机构地区：[1]兰州石化职业技术学院,甘肃兰州730060

出　　处：《天然气化工—C1化学与化工》2021年第3期15-21,80,共8页Natural Gas Chemical Industry

基　　金：甘肃省高等学校创新基金项目(2020B-291);甘肃省大学生创新训练项目(S202010838011);甘肃省高等学校创新能力提升项目(2019A-197);兰州石化职业技术学院课题(KJ2019-06,KJ2019-01)。

摘　　要：甘油作为一种可再生资源,对其充分利用有助于生物柴油的开发以及缓解化石燃料利用所带来的环境问题,而生物基甘油气相脱水制丙烯醛是甘油的一项重要用途。综述了近年来甘油气相脱水制丙烯醛的研究进展,分析了不同催化剂体系中甘油脱水的反应机理;总结了各类型相关催化剂在此反应中的应用。分析表明,催化剂的表面酸性和强度是影响其活性的主要因素,同时还与催化剂的活性中心尺寸以及助剂相关,因此可通过对催化剂酸性和表面活性中心尺寸的调控、添加合适的助剂和优化工艺条件等手段提高催化剂的反应性能。但该反应催化剂存在易积炭失活、使用寿命短的问题有待进一步探讨。Glycerol is a renewable resource,and its full utilization is conducive to the development of biodiesel and alleviating the environmental problems caused by the utilization of fossil fuels,and the dehydration of bioglycerol to acrolein is an important use of glycerol.The research progress of gas phase dehydration of glycerol to acrolein in recent years was reviewed,the reaction mechanism of glycerol dehydration to acrolein in different acid-alkali catalyst systems was analyzed,and the applications of various types of related catalysts in this reaction were summarized.The analysis shows that the activity of the catalyst is mainly affected by their surface acidity and intensity,but also related to the active center size of the catalyst and the promoter.Therefore,the reaction performance of the catalyst can be improved by adjusting their surface acidity and the active center size,adding appropriate additives and optimizing the process conditions.However,the catalysts in this reaction still have the problems of their deactivation caused by coking and short life,which need to be further discussed.

关 键 词：生物基甘油 丙烯醛 气相脱水 催化剂 反应机理 

分 类 号：TQ223.2[化学工程—有机化工] O643.32[理学—物理化学]