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ZSM-5-SBA-15复合分子筛制备及甲苯甲醇烷基化性能研究

刘鹏 ,  沈健

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引用本文: 刘鹏, 沈健. ZSM-5-SBA-15复合分子筛制备及甲苯甲醇烷基化性能研究[J]. 燃料化学学报, 2015, 43(9): 1147-1152. shu
Citation:  LIU Peng, SHEN Jian. Preparation of ZSM-5-SBA-15 composite molecular sieves and its performance for toluene alkylation with methanol[J]. Journal of Fuel Chemistry and Technology, 2015, 43(9): 1147-1152. shu

ZSM-5-SBA-15复合分子筛制备及甲苯甲醇烷基化性能研究

    通讯作者: 沈健(1959-),男,硕士,辽宁沈阳人,教授,E-mail:Sj6673120@yahoo.com.cn。
摘要: 采用后合成法制备了ZSM-5-SBA-15复合分子筛,通过XRD、FT-IR、BET、NH3-TPD及吡啶红外等手段表征催化剂的性质。结果表明,ZSM-5-SBA-15既具有微孔结构又具有介孔结构。吡啶吸附和NH3吸脱附实验结果表明,ZSM-5微孔分子筛的引入使SBA-15介孔分子筛的酸性增强,但与ZSM-5相比,ZSM-5-SBA-15复合分子筛的酸性位没有改变,酸强度有一定的减弱。用固定床评价了该复合分子筛甲苯甲醇烷基化反应的催化性能。结果表明,与常规ZSM-5相比,ZSM-5-SBA-15表现出了较高的对位选择性。

English

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  • 收稿日期:  2014-11-10
  • 网络出版日期:  2015-01-13
通讯作者: 陈斌, bchen63@163.com
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