Alkylation of phenol with isopropanol over SAPO-11 zeolites

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• 作者：Ling Wang (1)
  Xiao Chun Yang (2)
  Li Zhang (1)
  Yunhui Gao (1)
  Yingying Wang (1)
  Yongchen Shang (1)
  
• 关键词：SAPO ; 11 zeolites ; Phenol ; Isopropanol ; Alkylation
• 刊名：Reaction Kinetics, Mechanisms and Catalysis
• 出版年：2013
• 出版时间：June 2013
• 年：2013
• 卷：109
• 期：1
• 页码：213-220
• 全文大小：410KB
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• 作者单位：Ling Wang (1)
  Xiao Chun Yang (2)
  Li Zhang (1)
  Yunhui Gao (1)
  Yingying Wang (1)
  Yongchen Shang (1)
  
  1. Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education and College of Chemistry and Chemical Engineering, Harbin Normal University, 150025, Harbin, People鈥檚 Republic of China
  2. Department of Chemistry, Tangshan Teachers College, 063000, Tangshan, People鈥檚 Republic of China
  
• ISSN：1878-5204

文摘

Modified SAPO-11 zeolites were used as catalysts for the alkylation of phenol with isopropanol. The phase, structure, texture and acidized properties of samples were characterized by means of XRD, N2 adsorption/desorption, FT-IR, NMR, NH3-TPD and different surface treatment methods. It was found that B acid sites, which concentrate on the outer surface, play a major role on the alkylation of phenol with isopropanol. The sample shows high catalyst performance and phenol conversion and the total selectivity of o-isopropylphenol and p-isopropylphenol as 50 and 77聽% were achieved under the optimal conditions: reaction temperature聽=聽280聽掳C, WHSV聽=聽3.0聽h鈭?, catalyst loading聽=聽0.5聽g, n IPA/n phenol聽=聽0.8.