河北大学学报(自然科学版) ›› 2025, Vol. 45 ›› Issue (1): 60-69.DOI: 10.3969/j.issn.1000-1565.2025.01.007

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全氟磺酸树脂改性ZSM-5催化剂用于环己烯水合研究

牛立博1,薛宇恋1,张倩2,王亚涛2,徐肇中2,陈毅1,吕运开1   

  • 收稿日期:2024-10-23 出版日期:2025-01-25 发布日期:2025-02-25
  • 通讯作者: 吕运开(1967—)
  • 作者简介:牛立博(1984—),男,河北大学副教授,主要从事纳米催化剂的制备及性能研究.E-mail:niulibohbu@hotmail.com
  • 基金资助:
    河北省省级科技计划项目(22281403Z)

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

NIU Libo1, XUE Yulian1, ZHANG Qian2, WANG Yatao2, XU Zhaozhong2, CHEN Yi1, LYU Yunkai1   

  1. 1.College of Chemistry and Materials Science, Hebei University, Baoding 071002, China; 2.Kailuan Energy Chemical Co., Ltd., Tangshan 063018, China
  • Received:2024-10-23 Online:2025-01-25 Published:2025-02-25

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.

关键词: ZSM-5, 全氟磺酸树脂, 环己烯水合, 环己醇

Abstract: A series xHNF/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.

Key words: ZSM-5, perfluorosulfonic acid resin, cyclohexene hydration, cyclohexanol

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