Lian Zheng-hao

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Zhu Pei-juan

Yaping Zhao

East China Normal University

Bin Xu

Sichuan University of Science and Engineering

Dan Zhang

Shandong First Medical University

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East China Normal University

Guangzhou Metro Group (China)

Ministry of Natural Resources

Inner Mongolia Normal University

China Institute of Atomic Energy

Zhengzhou University

Chinese Research Academy of Environmental Sciences

Institute of Materials Research and Engineering

National University of Singapore

Stanford University

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Study on the mechanism of methylene blue degradation by TiO2 photocatalyst

Dan Zhang Bin Xu Zhu Pei-juan Lian Zheng-hao Yaping Zhao

In order to carry out the study,the experiments of photodegradation of methylene blue under different conditions were conducted,using different kinds of free radical scavengers, such as(CH_3)_3OH,H_2O_2,KI,NaN_3 and C_6H_4O_2.The effects of these free radical scavengers were observed.The concentration of H_2O_2 generated during the photodegradation of methylene blue by TiO_2 was also reported.And the results of these experiments indicated that the main active oxygen substances in the reaction are·OH,O_2~- and ~1 O_2.

Photodegradation

Methylene blue

Methylene

Degradation

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