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    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/8633


    Title: Removal of fluoride ions from aqueous solution using modified attapulgite as adsorbent
    Authors: Zhang, Jing;Xie, Shaodong;Ho, Yuh-Shan
    Contributors: Department of Biotechnology
    Keywords: Alumina;Aluminum;Atmospheric temperature;Isotherms;Magnesium;Magnesium printing plates;Negative ions;Salts;Adsorption capacities;Adsorption datum;Aluminum salts;Anion exchange;Aqueous solutions;Attapulgite;Batch experiments;Effects of temperatures;Fluoride ions;Fluorosis;Freundlich;Langmuir;Mass ratios;Modification;Non-linear methods;Redlich-Peterson isotherms
    Date: 2009
    Issue Date: 2010-04-07 21:17:58 (UTC+8)
    Publisher: Asia University
    Abstract: Adsorption of fluoride ions from water using modified attapulgite with magnesium and aluminum salts was conducted by batch experiments. The effects of temperatures and mass ratios of attapulgite, magnesium and aluminum salts were investigated. Linear and non-linear methods were applied for fitting the adsorption data with Langmuir, Freundlich, and Redlich-Peterson isotherms. Modified attapulgite with a mass ratio attapulgite:MgCl<inf>2</inf>·6H<inf>2</inf>O:AlCl<inf>3</inf>·2H<inf>2</inf>O = 2:1:2 had higher fluoride adsorption capacity. In addition, the fluoride adsorption using the modified attapulgite included an anion exchange process. © 2008 Elsevier B.V. All rights reserved.
    Relation: Journal of Hazardous Materials 165(1-3):218-222
    Appears in Collections:[生物科技學系] 期刊論文

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