Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/30924
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    Please use this identifier to cite or link to this item: https://ir.cnu.edu.tw/handle/310902800/30924


    Title: Using activated clay for adsorption of sulfone compounds in diesel
    Authors: Chen, Teng-Chien
    Sapitan, Jhomee Fe (Jaja) F.
    Ballesteros, Florencio C., Jr.
    Lu, Ming-Chun
    Contributors: Met Ind Res & Dev Ctr
    Univ Philippines Diliman, Environm Engn Grad Program
    Chia Nan Univ Pharm & Sci, Dept Environm Resources Management
    Keywords: Oxidative desulfurization
    Sulfone
    Adsorption
    Activated clay
    Diesel
    desulfurization
    Date: 2016-06
    Issue Date: 2018-01-18 11:38:02 (UTC+8)
    Publisher: Elsevier Sci Ltd
    Abstract: The aim of this study was to evaluate the adsorption performance of activated clay (bentonite) in removing sulfur compounds from diesel fuel. Studies have proved that oxidative desulfurization is more cost effective than the traditional hydrodesulfurization process. In this investigation, oxidative desulfurization was used under mild conditions with hydrogen peroxide as an oxidant, phosphotungstic acid as a catalyst and tetraoctylammonium bromide as a phase transfer agent, to convert sulfur-containing compounds in diesel to their sulfone forms. The sulfone compounds were then removed by adsorption using activated clay as an adsorbent. The performance of activated clay particles in adsorbing sulfone compounds was evaluated through equilibrium and kinetic studies. The adsorption kinetics was pseudo second order. The initial sulfur content of 11093 ppm was reduced to below 10 ppm, achieving a sulfur removal rate of 99%. Therefore, activated clay was found to be effective in obtaining ultra-low sulfur diesel. (C) 2016 Elsevier Ltd. All rights reserved.
    Relation: Journal of Cleaner Production, v.124 n., pp.378-382
    Appears in Collections:[Dept. of Environmental Resources Management] Periodical Articles

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