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Journal of Zhejiang University SCIENCE A 2009 Vol.10 No.11 P.1660~1669

http://doi.org/10.1631/jzus.A0820642


Experimental and model comparisons of H2O2 assisted UV photodegradation of Microcystin-LR in simulated drinking water


Author(s):  Lei LI, Nai-yun GAO, Yang DENG, Juan-juan YAO, Ke-jia ZHANG, Hai-jun LI, Di-di YIN, Hua-se OU, Jian-wei GUO

Affiliation(s):  State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092, China; more

Corresponding email(s):   gaonaiyun1@126.com

Key Words:  Microcystin-LR (MC-LR), Hydrogen peroxide assisted ultraviolet (UV/H2O2) process, Hydroxyl radical, Reaction kinetics, Photochemical degradation


Lei LI, Nai-yun GAO, Yang DENG, Juan-juan YAO, Ke-jia ZHANG, Hai-jun LI, Di-di YIN, Hua-se OU, Jian-wei GUO. Experimental and model comparisons of H2O2 assisted UV photodegradation of Microcystin-LR in simulated drinking water[J]. Journal of Zhejiang University Science A, 2009, 10(11): 1660~1669.

@article{title="Experimental and model comparisons of H2O2 assisted UV photodegradation of Microcystin-LR in simulated drinking water",
author="Lei LI, Nai-yun GAO, Yang DENG, Juan-juan YAO, Ke-jia ZHANG, Hai-jun LI, Di-di YIN, Hua-se OU, Jian-wei GUO",
journal="Journal of Zhejiang University Science A",
volume="10",
number="11",
pages="1660~1669",
year="2009",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A0820642"
}

%0 Journal Article
%T Experimental and model comparisons of H2O2 assisted UV photodegradation of Microcystin-LR in simulated drinking water
%A Lei LI
%A Nai-yun GAO
%A Yang DENG
%A Juan-juan YAO
%A Ke-jia ZHANG
%A Hai-jun LI
%A Di-di YIN
%A Hua-se OU
%A Jian-wei GUO
%J Journal of Zhejiang University SCIENCE A
%V 10
%N 11
%P 1660~1669
%@ 1673-565X
%D 2009
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A0820642

TY - JOUR
T1 - Experimental and model comparisons of H2O2 assisted UV photodegradation of Microcystin-LR in simulated drinking water
A1 - Lei LI
A1 - Nai-yun GAO
A1 - Yang DENG
A1 - Juan-juan YAO
A1 - Ke-jia ZHANG
A1 - Hai-jun LI
A1 - Di-di YIN
A1 - Hua-se OU
A1 - Jian-wei GUO
J0 - Journal of Zhejiang University Science A
VL - 10
IS - 11
SP - 1660
EP - 1669
%@ 1673-565X
Y1 - 2009
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A0820642


Abstract: 
The degradation of microcystin-LR (MC-LR) in water by hydrogen peroxide assisted ultraviolet (UV/H2O2) process was investigated in this paper. The UV/H2O2 process appeared to be effective in removal of the MC-LR. MC-LR decomposition was primarily ascribed to production of strong and nonselective oxidant-hydroxyl radicals within the system. The intensity of UV radiation, initial concentration of MC-LR, MC-LR purity, dosages of H2O2, the initial solution pH, and anions present in water, to some extent, influenced the degradation rate of MC-LR. A modified pseudo-first-order kinetic model was developed to predict the removal efficiency under different experimental conditions.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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