Adsorption parameter and heat of adsorption of activated carbon/HFC-134a pair

Wai Soong Loh, M. Kumja, Kazi Afzalur Rahman, Kim Choon Ng, Bidyut Baran Saha, Shigeru Koyama, Ibrahim I. El-Sharkawy

    研究成果: Contribution to journalArticle査読

    15 被引用数 (Scopus)

    抄録

    This article presents the adsorption isotherms of HFC-134a and activated carbon Maxsorb III measured using the constant-volume-variable-pressure method. The adsorption isotherms cover temperature ranges from 293 to 338 K and pressures up to 0.7 MPa. The trends of the experimental isotherms for activated carbon are found to be identical in all cases with previous studies except that the vapor uptake is slightly higher. The adsorption characteristic of the Dubinin-Ashtakov equation has been regressed from the experimental isotherms data and the maximum specific uptake is 2.15 kg of adsorbate adsorbed per kilogram of activated carbon. The heat of adsorption, which is concentration and temperature dependent, has also been extracted from the experiments.

    本文言語英語
    ページ(範囲)910-916
    ページ数7
    ジャーナルHeat Transfer Engineering
    31
    11
    DOI
    出版ステータス出版済み - 1 1 2010

    All Science Journal Classification (ASJC) codes

    • Condensed Matter Physics
    • Mechanical Engineering
    • Fluid Flow and Transfer Processes

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