Citation: Zhang Feng. Catalytic Property and Mechanism of[Mn(salen)]₂ Accelerated Degradation of Phenol Wastewater by Fenton Reaction[J]. Chemistry, ;2017, 80(9): 873-879. shu

Catalytic Property and Mechanism of[Mn(salen)]₂ Accelerated Degradation of Phenol Wastewater by Fenton Reaction

Zhang Feng

Advanced Molecular Engineering Materials Laboratory, Department of Chemistry and Chemical Engineering, Baoji University of Arts and Science, Baoji 721013

Received Date: 20 February 2017
Accepted Date: 20 June 2017

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The catalytic property for degradation of phenol wastewater using Fenton reaction of Schiff base manganese complexes{[MnⅢ(salen)(H₂O)]₂(ClO₄)₂, [Mn(salen)]₂}was studied. The reaction characteristics and mechanism were analyzed by UV analysis, liquid chromatography, double reciprocal mapping and other analytical methods. The experimental results showed that the degradation efficiency of phenol of Fenton reaction is improved with the addition of Mn(salen)₂ complex. It maintained a certain degradation ability under different pH systems or excess H₂O₂. Due to the high valence manganese intermediate, which is converted from the manganese ion in the complex, the oxidation of organic matter and the degradation efficiency have been accelerated. The activation energy of the degradation reaction was reduced by 35.9% after adding the complex into the Fenton system. The catalytic activity of[Mn(salen)]₂ remained 60% after 7 times repeat uses.
- [Mn(salen)]₂ complex,
- Fenton reaction,
- Phenolic wastewater,
- Degradation
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Catalytic Property and Mechanism of[Mn(salen)]2 Accelerated Degradation of Phenol Wastewater by Fenton Reaction

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通讯作者: 陈斌, bchen63@163.com

Catalytic Property and Mechanism of[Mn(salen)]₂ Accelerated Degradation of Phenol Wastewater by Fenton Reaction