The Skeletal Isomerization of 1-Pentene over Solid Acid Catalysts

고체산 촉매에서의 1-펜텐의 골격이성화반응

  • Hong, Seong-Soo (Dept. of Chemical Engineering, College of Engineering, Pukyong National University) ;
  • Woo, Hee-Chul (Dept. of Chemical Engineering, College of Engineering, Pukyong National University) ;
  • Lee, Gun-Dae (Dept. of Surface & Coating Engineering, College of Engineering, Pukyong National University)
  • 홍성수 (부경대학교 공과대학 화학공학과) ;
  • 우희철 (부경대학교 공과대학 화학공학과) ;
  • 이근대 (부경대학교 공과대학 표면공학과)
  • Received : 1996.04.12
  • Accepted : 1996.07.27
  • Published : 1996.10.10

Abstract

In the skeletal isomerization of 1-pentene over various solid acid catalysts, we have studied catalytic reactivity, selectivity, reaction mechanism and the relation between acid strength of catalysts and catalytic activity. Natural zeolite shows highest activity among the all catalysts and the modified ${\eta}$-alumina with fluorine and sulfuric acid shows higher activity than unmodified ${\eta}$-alumina. The yield of isopentene increases with increasing temperature and increasing contact time. However the cracking products increase at the high temperature and very high contact time. In addition, the activity of natural zeolite exchanged with metal cation decreases and shows good relation with the polarizing power of metal cation. According to the result of ammonia TPD, the acid strength of catalysts has an effect on catalytic activity.

Keywords

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