淡江大學機構典藏:Item 987654321/44630
English  |  正體中文  |  简体中文  |  Items with full text/Total items : 62797/95867 (66%)
Visitors : 3732516      Online Users : 342
RC Version 7.0 © Powered By DSPACE, MIT. Enhanced by NTU Library & TKU Library IR team.
Scope Tips:
  • please add "double quotation mark" for query phrases to get precise results
  • please goto advance search for comprehansive author search
  • Adv. Search
    HomeLoginUploadHelpAboutAdminister Goto mobile version
    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/44630


    Title: Compressed air-assisted solvent extraction (CASX) for metal removal
    Authors: 李奇旺;Li, Chi-wang;Chen, Yi-ming;Hsiao, Shin-tien
    Contributors: 淡江大學水資源及環境工程學系
    Keywords: pressurization;extraction;Cr(VI);Cd(II);D2EHPA;aliquat 336
    Date: 2008-03
    Issue Date: 2010-03-26 16:33:35 (UTC+8)
    Publisher: Oxford: Pergamon
    Abstract: A novel process, compressed air-assisted solvent extraction (CASX), was developed to generate micro-sized solvent-coated air bubbles (MSAB) for metal extraction. Through pressurization of solvent with compressed air followed by releasing air-oversaturated solvent into metal-containing wastewater, MSAB were generated instantaneously. The enormous surface area of MSAB makes extraction process extremely fast and achieves very high aqueous/solvent weight ratio (A/S ratio). CASX process completely removed Cr(VI) from acidic electroplating wastewater under A/S ratio of 115 and extraction time of less than 10 s. When synthetic wastewater containing Cd(II) of 50 mg l(-1) was treated, A/S ratios of higher than 714 and 1190 could be achieved using solvent with extractant/diluent weight ratio of 1: 1 and 5:1, respectively. Also, MSAB have very different physical properties, such as size and density, compared to the emulsified solvent droplets, making separation and recovery of solvent from treated effluent very easy. (c) 2007 Elsevier Ltd. All rights reserved.
    Relation: Chemosphere 71(1), pp.51-58
    DOI: 10.1016/j.chemosphere.2007.10.050
    Appears in Collections:[Graduate Institute & Department of Water Resources and Environmental Engineering] Journal Article

    Files in This Item:

    File Description SizeFormat
    0KbUnknown559View/Open
    1-s2.0-S0045653507013252-main.pdf579KbAdobe PDF1View/Open

    All items in 機構典藏 are protected by copyright, with all rights reserved.


    DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library & TKU Library IR teams. Copyright ©   - Feedback