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    On thermodynamics of methane+carbonaceous materials adsorption

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    Type
    Article
    Authors
    Rahman, Kazi Afzalur
    Chakraborty, Anutosh
    Saha, Bidyut Baran
    Ng, Kim Choon cc
    KAUST Grant Number
    R265-000-286-597
    Date
    2012-01
    Permanent link to this record
    http://hdl.handle.net/10754/599070
    
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    Abstract
    This study presents the theoretical frameworks for the thermodynamic quantities namely the heat of adsorption, specific heat capacity, entropy, and enthalpy for the adsorption of methane onto various carbonaceous materials. The proposed theoretical frameworks are developed from the rigor of thermodynamic property surfaces of a single component adsorbate-adsorbent system and by incorporating the micropore filling theory approach, where the effect of adsorbed phase volume is considered. The abovementioned thermodynamic properties are quantitatively evaluated from the experimental uptake data for methane adsorption onto activated carbons such as Maxsorb III at temperatures ranging from 120 to 350 K and pressures up to 25 bar. Employing the proposed thermodynamic approaches, this paper shows the thermodynamic maps of the charge and discharge processes of adsorbed natural gas (ANG) storage system for understanding the behaviors of natural gas in ANG vessel. © 2011 Elsevier Ltd. All rights reserved.
    Citation
    Rahman KA, Chakraborty A, Saha BB, Ng KC (2012) On thermodynamics of methane+carbonaceous materials adsorption. International Journal of Heat and Mass Transfer 55: 565–573. Available: http://dx.doi.org/10.1016/j.ijheatmasstransfer.2011.10.056.
    Sponsors
    The authors' gratefully acknowledge the financial support given by Grants (R33-2009-000-101660) from World Class University (WCU) Project of the National Research Foundation, Korea, (R265-000-268-305) from A*STAR/MPA, Singapore and (R265-000-286-597) from King Abdullah University of Science and Technology (KAUST), KSA.
    Publisher
    Elsevier BV
    Journal
    International Journal of Heat and Mass Transfer
    DOI
    10.1016/j.ijheatmasstransfer.2011.10.056
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.ijheatmasstransfer.2011.10.056
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