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Chemcial Industry and Engineering 2007, Vol. 24 Issue (3) :254-257    DOI:
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Alkylation of p-Cresol with Isobutylene Over Modified �� Zeolite
LI Wen-feng,WANG Qian,DONG Yan-fei,QI Xin(School of Sciences,Tianjin University,Tianjin 300072,China)
(School of Sciences,Tianjin University,Tianjin 300072,China

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Abstract The physical chemistry properties of catalysts were characterized by ICP,XRD and NH_3-TPD,alkylation of p-cresol with isobutylene over �� zeolite modified by Mn and Ce was carried out and the catalytic activity of the zeolite was investigated.And the influences of reaction temperature,molar ratio of isobutylene/p-cresol and WHSV were analyzed.The result indicated that the catalytic activity of the �� zeolite modified by Mn and the selectivity of 2-tert-butyl-4-methy-phenol are improved,the optimized condition are reaction temperature of 125 ��,molar ratio of isobutylene/p-cresol of 3,WHSV of 2 h~(-1).�� zeolite modified by Mn is a promising catalyst for alkylation of p-cresol with isobutylene.
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Received 2007-05-15; published 2007-05-15
Cite this article:   
LI Wen-feng,WANG Qian,DONG Yan-fei,QI Xin.Alkylation of p-Cresol with Isobutylene Over Modified �� Zeolite[J]  Chemcial Industry and Engineering, 2007,V24(3): 254-257
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