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    Modeling of Carbon Dioxide Absorption into Aqueous Ammonia in a Wetted Wall Column

    Access Status
    Fulltext not available
    Authors
    Chiu, C.H.
    Ghosh, Ujjal
    Date
    2012
    Type
    Conference Paper
    
    Metadata
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    Citation
    Chiu, Choon Hong and Ghosh, Ujjal. 2012. Modeling of Carbon Dioxide Absorption into Aqueous Ammonia in a Wetted Wall Column, in Tufa, L.D. and Nour El Demerdash, U.M. and Lwin, Y. (ed), Proceedings of the 2nd International Conference on Process Engineering and Advanced Materials (ICPEAM), Jun 12-14 2012. Kuala Lumpur, Malaysia: UTP.
    Source Title
    Proceedings of ICPEAM2012
    Source Conference
    International Conference on Process Engineering and Advanced Material (ICPEAM)
    School
    Sarawak Malaysia
    URI
    http://hdl.handle.net/20.500.11937/19680
    Collection
    • Curtin Research Publications
    Abstract

    Carbon dioxide absorption process using an ammonia solution provides many advantages including higher absorption capacity, no degradation and lower regeneration energy requirement. In this paper, a mathematical model is developed based on mass and momentum balance and used to investigate the relationship of partial pressure of carbon dioxide, temperature, and vapour-liquid contact area to separation of carbon dioxide from flue gas through wetted wall column. The model is simplified based on the assumption that the CO2 absorption into aqueous ammonia is a pseudo-first-order reaction. Variation of CO2 molar flux with partial pressure of CO2 and temperature is discussed and a comparison is performed with experimental data from literature. Variation of CO2 molar flux is also shown with gas-liquid contact area.

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