全氟磺酸树脂改性ZSM-5催化剂用于环己烯水合研究  

Perfluorosulfonic acid resin modified ZSM-5 zeolite as catalyst for cyclohexene hydration

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作  者:牛立博[1] 薛宇恋 张倩 王亚涛 徐肇中 陈毅 吕运开[1] NIU Libo;XUE Yulian;ZHANG Qian;WANG Yatao;XU Zhaozhong;CHEN Yi;LYU Yunkai(College of Chemistry and Materials Science,Hebei University,Baoding 071002,China;Kailuan Energy Chemical Co.,Ltd.,Tangshan 063018,China)

机构地区:[1]河北大学化学与材料科学学院,河北保定071002 [2]开滦能源化工股份有限公司,河北唐山063018

出  处:《河北大学学报(自然科学版)》2025年第1期60-69,共10页Journal of Hebei University(Natural Science Edition)

基  金:河北省省级科技计划项目(22281403Z)。

摘  要:采用浸渍法将全氟磺酸树脂(HNF-5W)负载到ZSM-5分子筛表面以及孔道内部制备了磺酸树脂-分子筛复合催化剂xHNF/ZSM-5(x代表磺酸树脂在催化剂中的质量分数),应用于环己烯水合制备环己醇反应.利用BET、XED、TEM和吡啶红外等测试手段对所制备催化剂的物理化学性质进行了表征,同时考察了反应条件对所制备催化剂作用下环己烯水合反应的影响.实验结果表明:当反应温度125℃,氮气压力0.4 MPa的条件下,反应120 min,在最优催化剂20HNF/ZSM-5作用下环己烯的转化率为12.9%,环己醇选择性达到99%以上;同时,20HNF/ZSM-5催化剂经5次套用,环己烯的转化率仍保持在10%以上,表明该催化剂具有良好的稳定性.A series x HNF/ZSM-5(where x represents the mass fraction of sulfonic acid resin in the catalyst)composite catalysts were prepared by loading perfluorosulfonic acid resin on ZSM-5 using the impregnation method and applied in the hydration of cyclohexene to produce cyclohexanol.The physicochemical properties of corresponding catalysts were studied by BET,XRD,TEM,and Py-IR.In addition,the influence of reaction condition was also investigated in this work.It was found that with reaction temperature of 125℃,0.4 MPa of nitrogen pressure and the reaction time of 120 min,a 12.9%cyclohexene conversion with the selectivity of cyclohexanol over 99%could achieved with 20HNF/ZSM-5,which is the optimal catalyst in this reaction.Meanwhile,the conversion rate of cyclohexene remained above 10%for the 20HNF/ZSM-5 catalyst with five cycles,indicating its excellent stability during reaction.

关 键 词:ZSM-5 全氟磺酸树脂 环己烯水合 环己醇 

分 类 号:O643.36[理学—物理化学]

 

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