Construction of Plate-type Electrochemical Filter and Study on Methyl Orange Removal Mechanism
In this paper,a"one-pot"plate-type electrochemical filter was constructed.Mean-while,the methyl orange degradation efficiency was optimized from multiple perspectives of voltage,flow rate,electrolyte and pH,and the degradation mechanism,stability and uni-versality were explored.The experimental results showed that under the conditions of 3 V voltage,10 mmol·L-1 electrolyte concentration,1.5 mL·min-1 flow rate and pH(4-10),the removal rate of methyl orange reached 95%.Quenching experiments showed that the degradation mechanism of the system was direct oxidation.At the same time,the removal rate of methyl orange was still at a high level in the long-term stability experiment.Under the optimum experimental conditions,besides methyl orange,the degradation rate of Rhodamine B and the mixture of them were above 94%.
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