Degradation Kinetics and Mechanics of Methylene Blue by Complex Ultraviolet and Hydrogen Peroxide Process

Hang Xu; Qiang Tang; Ya Na Liu; Yong Jiang; Hong Yan Tang

doi:10.4028/www.scientific.net/AMR.356-360.1066

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Degradation Kinetics and Mechanics of Methylene Blue by Complex Ultraviolet and Hydrogen Peroxide Process
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Degradation Kinetics and Mechanics of Methylene Blue by Complex Ultraviolet and Hydrogen Peroxide Process

Abstract:

Hyperbolic model could be established to describe the degradation performance of Methylene Blue (MB) using UV/H₂O₂ process. The effects of initial H₂O₂ dosage on MB removal, instant ▪OH concentration and reaction rate were investigated. The results show that the optimal H₂O₂ dosage is 13.24 mM and after 50min the MB removal is around 85%. The MB degradation process is followed the hyperbolic model which can calculate instant ▪OH concentration and reaction rate.