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    A study of complex distillation arrangements for improved depropanizing, debutanizing and deisobutanizing fractionation of NGL

    Access Status
    Fulltext not available
    Authors
    Jung, Y.
    Long, N.
    Woldetensay, Mesfin
    Lee, M.
    Date
    2012
    Type
    Journal Article
    
    Metadata
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    Citation
    Jung, Youngmi and Long, Nguyen Van Due and Woldetensay, Mesfin Getu and Lee, Moonyong. 2012. A study of complex distillation arrangements for improved depropanizing, debutanizing and deisobutanizing fractionation of NGL. Computer Aided Chemical Engineering. 31: pp. 680-684.
    Source Title
    Computer Aided Chemical Engineering
    DOI
    10.1016/B978-0-444-59507-2.50128-1
    ISSN
    15707946
    School
    Miri Campus
    URI
    http://hdl.handle.net/20.500.11937/4641
    Collection
    • Curtin Research Publications
    Abstract

    The depropanizing, debutanizing and deisobutanizing fractionation steps of processing natural gas liquids were improved through studying complex distillation arrangements, including the double dividing wall column arrangement (DDWC), the sequence including a dividing wall column (DWC) and a bottom DWC (BDWC) and the sequence including a DWC and a BDWC with top vapor recompression heat pump. These arrangements offer benefits by decreasing reboiler and condenser power consumption. Reducing the number of columns and their diameters can potentially reduce construction costs. The result also showed that operating cost could be reduced most significantly through novel combinations of internal and external heat integration: bottom dividing wall columns employing a top vapor recompression heat pump.

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