Significant role of UV and carbonate radical on the degradation of oxytetracycline in UV-AOPs: Kinetics and mechanism

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作者：Yiqing Liu^a ; ^b ; Xuexiang He^b ; Xiaodi Duan^b ; Yongsheng Fu^a ; ^{fuyosh@163.com" class="auth_mail" title="E-mail the corresponding author} ; Despo Fatta-Kassinos^c ; ^d ; Dionysios D. Dionysiou^b ; ^d ; ^{dionysios.d.dionysiou@uc.edu" class="auth_mail" title="E-mail the corresponding author}
关键词：Oxytetracycline ; UV-254 nm ; Carbonate radical ; Advanced oxidation processes (AOPs) ; Transformation products
刊名：Water Research
出版年：2016
出版时间：15 May 2016
年：2016
卷：95
期：Complete
页码：195-204
全文大小：1080 K

文摘

class="label">•: Generation of class="mathmlsrc">title="View the MathML source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0043135416301373&_mathId=si1.gif&_user=111111111&_pii=S0043135416301373&_rdoc=1&_issn=00431354&md5=b013e2dbfffccd440dfdae249e657016">class="imgLazyJSB inlineImage" height="15" width="37" alt="View the MathML source" style="margin-top: -5px; vertical-align: middle" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0043135416301373-si1.gif">class="mathContainer hidden">class="mathCode"> ${CO}_{3}^{• -}$ enhanced the kinetics of OTC degradation in class="mathmlsrc">title="View the MathML source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0043135416301373&_mathId=si25.gif&_user=111111111&_pii=S0043135416301373&_rdoc=1&_issn=00431354&md5=fdc42dacaace45f397e468366510f4d5">class="imgLazyJSB inlineImage" height="15" width="113" alt="View the MathML source" style="margin-top: -5px; vertical-align: middle" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0043135416301373-si25.gif">class="mathContainer hidden">class="mathCode"> $UV / {NO}_{3}^{-} / {HCO}_{3}^{-}$ .
class="label">•: class="mathmlsrc">title="View the MathML source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0043135416301373&_mathId=si1.gif&_user=111111111&_pii=S0043135416301373&_rdoc=1&_issn=00431354&md5=b013e2dbfffccd440dfdae249e657016">class="imgLazyJSB inlineImage" height="15" width="37" alt="View the MathML source" style="margin-top: -5px; vertical-align: middle" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0043135416301373-si1.gif">class="mathContainer hidden">class="mathCode"> ${CO}_{3}^{• -}$ had a positive role in AOPs even in the presence of other water constituents.
class="label">•: Comparable or enhanced OTC removal was observed in natural waters using class="mathmlsrc">title="View the MathML source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0043135416301373&_mathId=si26.gif&_user=111111111&_pii=S0043135416301373&_rdoc=1&_issn=00431354&md5=1a1e866cc35abceb18ebf96b8ce48066">class="imgLazyJSB inlineImage" height="18" width="70" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0043135416301373-si26.gif">class="mathContainer hidden">class="mathCode"> $UV / S_{2} O_{8}^{2 -}$ .
class="label">•: class="mathmlsrc">title="View the MathML source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0043135416301373&_mathId=si1.gif&_user=111111111&_pii=S0043135416301373&_rdoc=1&_issn=00431354&md5=b013e2dbfffccd440dfdae249e657016">class="imgLazyJSB inlineImage" height="15" width="37" alt="View the MathML source" style="margin-top: -5px; vertical-align: middle" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0043135416301373-si1.gif">class="mathContainer hidden">class="mathCode"> ${CO}_{3}^{• -}$ and UV photolysis showed a different preferable mechanism than HO.^• or class="mathmlsrc">title="View the MathML source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0043135416301373&_mathId=si2.gif&_user=111111111&_pii=S0043135416301373&_rdoc=1&_issn=00431354&md5=a5affb852c9883254b1df43cd17f5ce9">class="imgLazyJSB inlineImage" height="15" width="34" alt="View the MathML source" style="margin-top: -5px; vertical-align: middle" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0043135416301373-si2.gif">class="mathContainer hidden">class="mathCode"> ${SO}_{4}^{• -}$ .
class="label">•: Paths, e.g., quinonization, demethylation and decarbonylation, etc., were proposed.

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