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    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/30969

    標題: Adsorption of dibenzothiophene sulfone from fuel using chitosan-coated bentonite (CCB) as biosorbent
    作者: Lu, Ming-Chun
    Biel, Luisa Cyd Charisse
    Wan, Meng-Wei
    de Leon, Rizalinda
    Arco, Susan
    Futalan, Cybelle M.
    貢獻者: Chia Nan Univ Pharm & Sci, Dept Environm Resources Management
    Univ Philippines Diliman, Environm Engn Grad Program
    Univ Philippines Diliman, Dept Chem Engn
    Univ Philippines Diliman, Inst Chem
    Frontier Oil Corp, Operat Dept
    關鍵字: Chitosan
    Thomas Model
    日期: 2016-03
    上傳時間: 2018-01-18 11:38:55 (UTC+8)
    出版者: Taylor & Francis Inc
    摘要: Removal of dibenzothiophene sulfone (DBTS) from fuel onto chitosan-coated bentonite (CCB) was investigated using a fixed-bed column system. The experiments were carried out as a function of flow rate, particle size, and initial feed of DBTS concentration. The bed adsorption capacities were found to increase with the decreasing flow rate and particle size. Maximum bed adsorption capacities for the various flow rates were found to be 4.30, 3.09, and 2.44mg DBTS/g CCB at 1, 5, and 10mL/min, respectively. When the initial DBTS concentration was increased from 500 to 1,000mg/L, the corresponding adsorption bed capacity appears to increase from 4.31 to 5.55mg/g. Spectra studies showed possible involvement of hydroxyl groups in the biosorption. The Thomas model was used to predict the breakthrough curves under varying experimental conditions. Results indicate a good agreement between the experimental data and predicted breakthrough curves generated by the Thomas model.
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