Zr-SCM-1分子筛一锅法高效催化糠醛制备γ-戊内酯  

One-Pot Catalytic Conversion of Furfural toγ-Valerolactone over Zr-SCM-1 Zeolite

作　　者：夏国鹏 李相呈 梁俊 刘闯[2] 王振东[2] 杨为民[1,2] XIA Guopeng;LI Xiangcheng;LIANG Jun;WANG Zhendong;YANG Weimin(School of Chemical Engineering,East China University of Science and Technology,Shanghai 200237,China;State Key Laboratory of Green Chemical Engineering and Industrial Catalysis,Shanghai Research Institute of Petrochemical Technology,SINOPEC,Shanghai 201208,China)

机构地区：[1]华东理工大学化工学院,上海200237 [2]中国石油化工股份有限公司上海石油化工研究院绿色化工与工业催化国家重点实验室,上海201208

出　　处：《化学反应工程与工艺》2020年第2期155-161,169,共8页Chemical Reaction Engineering and Technology

基　　金：国家重点研发计划(2017YFB0702800);国家自然科学基金(21972168)。

摘　　要：以新型二维层剥离型MWW结构的SCM-1分子筛为母体,采用固态金属离子交换法制得Zr-SCM-1分子筛,并采用了N2吸附–脱附、电感耦合等离子体原子发射光谱(ICP)、NH3程序升温脱附(NH3-TPD)、X射线衍射(XRD)和吡啶吸附红外光谱(Py-IR)等方法系统地对分子筛进行了表征。结果表明,Zr-SCM-1分子筛不仅具有很高的比表面积(408m2/g),而且具有Lewis和Br?nsted两种酸性位。以糠醛为原料,异丙醇作为溶剂和氢源,考察了Zr-SCM-1分子筛一锅法催化糠醛制备γ-戊内酯的催化活性。在最佳反应条件下,糠醛转化完全,目标产物γ-戊内酯收率达到了55.7%,同时Zr-SCM-1分子筛具有良好的循环稳定性。Zr-SCM-1 zeolite was successfully prepared by solid state ion exchange method based on a delaminated MWW-type zeolite SCM-1.The catalyst was systematically characterized by N2 adsorption-desorption,inductively coupled plasma atomic emission spectrometry(ICP),NH3-temperature programmed desorption(NH3-TPD),X-ray diffraction(XRD)and Fourier infrared spectroscopy of pyridine adsorption(Py-IR)methods.The results showed that Zr-SCM-1 zeolite not only had large surface area(408 m^2/g),but also had Lewis and Br?nsted acid sites.With furfural as substrate,isopropanol as hydrogen donor and solvent,Zr-SCM-1 zeolite was found to be capable of converting furfural intoγ-valerolactone via a one-pot process.Under optimal conditions,the yield ofγ-valerolactone reached 55.7%with fully conversion of furfural,besides,Zr-SCM-1 zeolite had a good stability.

关 键 词：Zr-SCM-1分子筛 糠醛 γ-戊内酯 一锅法 

分 类 号：O643.36[理学—物理化学]