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Removal of Iopromide and Its Intermediates from Ozone-TreatedWater Using Granular Activated Carbon 게시글의 제목, 학술지명, 저자, 발행일, 작성내용을 보여줌
Removal of Iopromide and Its Intermediates from Ozone-TreatedWater Using Granular Activated Carbon
학술지명 Springer 저자 김정래,지민규,강준원,Kabra,전병훈,최일환,조동완,안용태,윤여준,최재원
발표일 2015-09-19

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.
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