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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/116218

    Title: Multi-objective optimization of mixed membrane reactors for autothermal reforming of methane
    Authors: Hsuan Chang;Yih-Hung Chen;Yun-Tsz Chen;Chii-Dong Ho
    Keywords: Methane Reforming;Membrane Reactor;Mixed Membrane Reactor;Multi-objective Optimization
    Date: 2018-09
    Issue Date: 2019-04-11 12:10:28 (UTC+8)
    Publisher: 淡江大學
    Abstract: Autothermal reforming (ATR) of methane, which supplies the heat for endothermic steam reforming by internal combustion of methane, is an important process for synthetic gas production. The axial-distributed feeding of oxygen via a packed bed inert membrane reactor (MR) can reduce the peak temperature and improve the reactor performance. A modified MR, called mixed membrane reactor (MMR), combines permeable membrane tube wall and non-permeable tube wall provides extra degrees of freedom for reactor design and operation. For MR and MMR, this study presents the ternary-objective optimization analysis for maximizing hydrogen production rate, non-combustion selectivity and conversion of methane, using a 1D pseudo-homogeneous reactor model and the NSGA-II algorithm. Compared to MR, MMR can be operated under significantly higher oxygen permeation flux without violating the maximum temperature constraint. The non-combustion selectivity and conversion of methane of MR and MMR are close, however, the hydrogen production rate of MMR can be as high as 200% of MR.
    Relation: Journal of Applied Science and Engineering 21(3), p.485-495
    DOI: 10.6180/jase.201809_21(3).0020
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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