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Removal of Iopromide and Its Intermediates from Ozone-Treated Water Using Granular Activated Carbon

Ahn, Y. T. et al.

Water, air, and soil pollution. VOL 226; NUMBER 10, ; 2015, 1-9 -- Springer Science + Business Media Part 10; (pages 1-9) -- 2015

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  • Title:
    Removal of Iopromide and Its Intermediates from Ozone-Treated Water Using Granular Activated Carbon
  • Author: Ahn, Y. T.;
    Cho, D. W.;
    Kabra, A. N.;
    Ji, M. K.;
    Yoon, Y.;
    Choi, J.;
    Choi, I. H.;
    Kang, J. W.;
    Kim, J. R.;
    Jeon, B. H.
  • Found In: Water, air, and soil pollution. VOL 226; NUMBER 10, ; 2015, 1-9
  • Journal Title: Water, air, and soil pollution.
  • Subjects: LCC: TD172; Dewey: 363.7
  • Publication Details: Springer Science + Business Media
  • Language: English
  • Abstract: The potential of granular activated carbon (GAC) to remove iopromide and its intermediates from ozone-treated river water was evaluated. Mass spectrum analysis showed that ozone treatment lead to partial removal of iopromide (m/z 791.8) with generation of various intermediates. GAC demonstrated a lower iopromide adsorption (1.60 μg/g) in the presence of natural organic matter (NOM) compared to NOM-free water (12.54 μg/g), indicating the inhibitory effect of NOM on iopromide adsorption. Ozone treatment of the influent reduced the inhibitory effect of NOM by altering its composition and inducing polarity shift. GAC post-treatment resulted in improved removal of residual iopromide and its intermediates from the ozone-treated influent. Application of such combined treatment of ozonation followed by GAC adsorption can be an effective strategy for the removal of iopromide and its intermediates from contaminated water streams.
  • Identifier: Journal ISSN: 0049-6979
  • Publication Date: 2015
  • Physical Description: Physical
  • Accrual Information: Monthly
  • Shelfmark(s): 9267.550000
  • UIN: ETOCRN373175881

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