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Assessment of the Fe3+-EDTA Complex in UV-Fenton-Like Processes: The Degradation of Methylene Blue

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Abstract:

This study investigated the effect of ultraviolet (UV) enhancement and the Fe3+-EDTA Complex on the degradation of methylene blue (MB) in Fenton-like system. By studying different variables including H2O2 concentration, Fe3+-EDTA concentration and pH value，and using MB as a model pollutant, the best experimental conditions was to investigated. Experimental results showed that it is possible to degrade MB wastewater effectively by modified UV-Fenton with Fe3+-EDTA at neutral pH. Besides, optimality condition (pH= 7, [Fe3+-EDTA] = 2 mmol/L, [H2O2] = 10 mmol/L) which were used in the modified UV-Fenton that achieves a removal of over 95% of the MB in 60 min reaction time. Therefore, this new modified Fenton system is an effective treatment for MB wastewater.

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Periodical:

Applied Mechanics and Materials (Volumes 675-677)

Pages:

395-400

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.675-677.395

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Online since:

October 2014

Authors:

Chao Shuai Wei, Wen Yu Huang*, Rui Jie Zhang, Ying Hui Wang, Li Min Luo, Hua Mo, Long Huan Xiao

Keywords:

Catalytic Degradation, EDTA, Fe3+, Methylene Blue (MB), UV-Fenton

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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