화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.30, No.3, 593-597, March, 2013
DOI10.1007/s11814-012-0220-z  Export Citation
Catalytic performance improvement of styrene hydrogenation in trickle bed reactor by using periodic operation
Atittahn Wongkia, Kongkiat Suriye1, Anuwat Nonkhamwong1, Piyasan Praserthdam, and Suttichai Assabumrungrat†
  • Center of Excellence in Catalysis and Catalytic Reaction Engineering, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
  • 1SCG Chemicals, Co., Ltd., 1 Siam Cement Road, Bangsue, Bangkok 10800, Thailand
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We investigated the catalytic performance improvement of styrene hydrogenation in a trickle bed reactor by using periodic operation. The effects of cycle period and split on relative conversion, which is defined as styrene conversion obtained from periodic operation over that from steady state operation, were examined at various operating conditions including gas and average liquid flow rates, pressure and temperature. The experimental results reveal that both cycle period and split have strong influence on the catalytic performance. The fast mode (short cycle period) is a favorable condition. The improvement by the periodic operation becomes less pronounced for operations at high average liquid flow rate, pressure and temperature. From this study, a maximum improvement of styrene conversion of 18% is observed.
Keywords:Trickle Bed Reactor;Periodic Operation;Performance Improvement;Styrene Hydrogenation
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