敌百虫农药废水Photo-Fenton处理方法研究  

Photo-Fenton technique in the degradation of pesticide wastewater of trichlorfon

作　　者：陈心满[1] 徐明芳[2] 彭延治[1] 葛湘峰[1] 

机构地区：[1]暨南大学水生生物研究所,广东广州510632 [2]暨南大学生物工程系,广东广州510632

出　　处：《水资源保护》2006年第5期53-55,94,共4页Water Resources Protection

基　　金：广东省科技攻关项目资助(2KM02501G)

摘　　要：以含敌百虫有机磷农药的溶液为研究对象,采用Photo-Fenton试剂进行氧化降解处理,使其成功转化成为无机磷(PO43-)。实验表明,在pH值=3.0,c(Fe2+)=0.72 mmol/L,c(H2O2)=3 mmol/L的酸性条件下,Photo-Fenton处理方法对敌百虫废水有机磷转化成无机磷的转化率可达70%,这可能是因为Fe3+络合物对光的吸收产生的配合基的作用以及产生羟基自由基(OH.)的速率加快。还对photo-Fenton处理有机磷农药的影响因素进行探讨。The solution of organophosphorus pesticide with tfichlorfon was oxidized and degraded by photo-Fenton technique, and the organic phosphorus was transformed into its inorganic form （PO4^3- ） successfully. The experiment shows that in the acid system at pH = 3.0, C（Fe^2＋） = 0.72 mmol/L, and C（H2O2） = 3 mmol/L, 70% of the organic phosphorus in the trichlorfon solutions can be transformed into the inorganic phosphorus by photo-Fenton, which can be attributed to the ligand form by Fe^3 ＋ complex after the absorption of irradiation and the accelerated formation rate of OH^- . On the basis of the experiment, the influencing factors during these processes were analyzed.

关 键 词：PHOTO-FENTON 农药 敌百虫 光氧化作用 

分 类 号：X786[环境科学与工程—环境工程]