Journal
CHEMICAL ENGINEERING SCIENCE
Volume 143, Issue -, Pages 63-75Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ces.2015.12.012
Keywords
Fischer-Tropsch; Microchannel reactor; Reactor design; Distributed parameter model; Gas-to-Liquid process
Categories
Funding
- Brain Korea 21 Plus Program
- Engineering Development Research Center (EDRC) - Ministry of Trade, Industry Energy (MOTIE) [N0000990]
- Smart Civil Infrastructure Research Program - Ministry of Land, Infrastructure and Transport (MOLIT) of Korea government [14IFIP-B085984-02]
- Korea Agency for Infrastructure Technology Advancement (KAIA)
- Energy Efficiency & Resources Core Technology Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) from the Ministry of Trade, Industry & Energy, Republic of Korea [20132010500050]
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The objective of this study is to design a microchannel Fischer-Tropsch reactor with the evaluation of several flow configurations and distribution effect. A cell coupling computation was carried out for the microchannel reactor of five different flow configurations. In the cell coupling method, all the process and cooling channels are decomposed into a number of unit cells, and then coupled to solve the material and energy balances. The realistic flow distribution effect was incorporated into the model by using results obtained from computational fluid dynamics (CFD). The kinetic model was validated with experimental data, and the results of the reactor model was compared with data taken from the literature and the results were found to be in good agreement. Several case studies were conducted to see the effect of flow configurations, flow distribution, and catalyst loading zones. It was observed that the geometry of cross-co-cross current was found to give the best performance among the designs considered. The study also reveals that flow distribution and catalyst loading zone need to be carefully controlled for the safe, robust, and reliable reactor design and operation. (C) 2016 Published by Elsevier Ltd.
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