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    Use of pinch concept to optimize the total water regeneration network

    Access Status
    Fulltext not available
    Authors
    Parand, R
    Yao, Hong Mei
    Pareek, Vishnu
    Tade, Moses
    Date
    2014
    Type
    Journal Article
    
    Metadata
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    Citation
    Parand, R. and Yao, H.M. and Pareek, V. and Tade, M. 2014. Use of pinch concept to optimize the total water regeneration network. Industrial and Engineering Chemistry Research. 53 (8): pp. 3222-3235.
    Source Title
    Industrial and Engineering Chemistry Research
    DOI
    10.1021/ie402712b
    ISSN
    0888-5885
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/22953
    Collection
    • Curtin Research Publications
    Abstract

    In this study, an Extended Composite Table Algorithm is developed to target the minimum freshwater, regenerated water, and wastewater flow rates together with the minimum regeneration concentration and wastewater concentration for total water regeneration network. The approach is first demonstrated by assuming a fixed post-regeneration concentration. Considering that the post-regeneration concentration has the dominant influence on the total cost in the waterregeneration problem, this assumption is relaxed by allowing it to shift in a feasible region. A new method, Composite Matrix Algorithm, is proposed to find such a region and a maximum feasible post-regeneration concentration. By incrementally changing the post-regeneration concentration, the relationship between the key parameters in the total water regeneration network can beanalyzed quantitatively. Some graphical presentations are introduced to target total water regeneration problem when the removal ratio type regenerator is involved. Moreover, the effect of post-regeneration concentration to the total cost of the network is evaluated and discussed. To facilitate the implementation, MATLAB is used as a programing tool.

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