摘要
[目的]研究电催化氧化技术降解甲基橙染料废水的工艺条件。[方法]以甲基橙为目标污染物,自制DSA电极和电催化反应装置,通过控制电极类型、电解质、电压和初始pH,比较分析甲基橙的去除效率。[结果]DSA电极比普通电极对甲基橙的去除率高;电压的增加和电解质的加入促进了电化学降解效率的提高;酸性条件下,DSA电极能够表现出对甲基橙较高的去除率。[结果]该研究为电催化氧化技术降解其他偶氮化合物提供技术依据。
[Objective] The research aimed to study the technological condition of methyl orange dye wastewater degradation by using the electro-catalytic oxidation technology.[Method] Methyl orange was the objective pollutant.DSA electrode and electro-catalytic reaction equipment were self-made.By controlling electrode type,electrolyte,voltage and initial pH,the removal efficiency of methyl orange was contrasted and analyzed.[Result] The removal efficiency of DSA electrode on methyl orange was higher than that of common electrode.The increase of voltage and addition of electrolyte promoted the improvement of electrochemical degradation efficiency.Under the acid condition,DSA electrode had high removal efficiency on methyl orange.[Conclusion] The research provided the technology basis for degrading other azocompound by the electro-catalytic oxidation technology.
出处
《安徽农业科学》
CAS
北大核心
2011年第31期19318-19319,共2页
Journal of Anhui Agricultural Sciences
关键词
电催化
甲基橙
降解
去除率
Electrocatalysis
Methyl orange
Degradation
Removal efficiency