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添加Fe对Pt/KL沸石芳构化及抗硫性能的影响
引用本文:郑坚,董家禄,须沁华.添加Fe对Pt/KL沸石芳构化及抗硫性能的影响[J].物理化学学报,1997,13(6):573-576.
作者姓名:郑坚  董家禄  须沁华
作者单位:Department of Chemistry,Nanjing University,Nanjing 210093
摘    要:Pt/KL沸五催化剂对正己烷的芳构化反应具有特别高的活性和选择性,但是它对原料中硫的存在非常敏感,要求合硫量小平川’,而工业催化剂的硫含量允许10’.这使得Pt/KL佛石催化剂一直未能工业化山.近年来,文献上开始出现了一些KL佛石上负载双金属的研究工作[’-’1.通过

关 键 词:Pt/Fe双金属  KL沸石  正已烷芳构化  硫中毒  
收稿时间:1996-07-08
修稿时间:1997-03-05

The Influence of Fe on the Aromatization Reactivity and Sulphur-resistance of Pt/KL Zeolite
Zheng Jian, Dong Jialu, Xu Qinhua.The Influence of Fe on the Aromatization Reactivity and Sulphur-resistance of Pt/KL Zeolite[J].Acta Physico-Chimica Sinica,1997,13(6):573-576.
Authors:Zheng Jian  Dong Jialu  Xu Qinhua
Institution:Department of Chemistry,Nanjing University,Nanjing 210093
Abstract:The influence of second metal component (Fc) on Pt/KL zeolie catalyst was investi-gated. The catalytic properties of Pt-Fe/KL zeolite varied as the amount of Fe. When the amount of Fe was 0.3 % (mass fraction), the catalyst was found to show both excellent n-hexane aromati-zation reactivity and higher ability for sulphur-resistance. The dispersion of Pt particles was also found to be better in this bimetallic catalyst, whereas the electron state of Pt particles as indicated by CO-FTIR was nlodified to be more electron-deficient than that of Pt/KL zeolite, which made the bimetallic Pt-Fe/KL more tolerant to sulphur poisoning.
Keywords:Pt-Fe bimetallic supported catalyst  KL zeolite  n-hexane aromatization  Sulphur-resistance
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