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Catalytic performance improvement of styrene hydrogenation in trickle bed reactor by using periodic operation

  • Catalysis, Reaction Engineering
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Abstract

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.

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Authors and Affiliations

  1. Center of Excellence in Catalysis and Catalytic Reaction Engineering, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand

    Atittahn Wongkia, Piyasan Praserthdam & Suttichai Assabumrungrat

  2. SCG Chemicals, Co., Ltd., 1 Siam Cement Road, Bangsue, Bangkok, 10800, Thailand

    Kongkiat Suriye & Anuwat Nonkhamwong

Authors
  1. Atittahn Wongkia
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  2. Kongkiat Suriye
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  3. Anuwat Nonkhamwong
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  4. Piyasan Praserthdam
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  5. Suttichai Assabumrungrat
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Correspondence to Suttichai Assabumrungrat.

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Wongkia, A., Suriye, K., Nonkhamwong, A. et al. Catalytic performance improvement of styrene hydrogenation in trickle bed reactor by using periodic operation. Korean J. Chem. Eng. 30, 593–597 (2013). https://doi.org/10.1007/s11814-012-0220-z

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  • DOI: https://doi.org/10.1007/s11814-012-0220-z

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