Photo-assisted Electrochemical Degradation of Textile Effluent to Reduce Organic Halide (AOX) Production

被引：0
|
作者：
Patrícia Aparecida Alves
Herbert Duchatsch Johansen
Sidney Aquino Neto
Adalgisa R. de Andrade
Artur de Jesus Motheo
Geoffroy Roger Pointer Malpass
机构：
[1] Universidade de São Paulo,Instituto de Química de São Carlos
[2] Universidade de São Paulo,Departamento de Química, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto
[3] Universidade Federal do Triângulo Mineiro,Departamento de Engenharia Química, Instituto de Ciências Tecnológicas e Exatas
来源：
Water, Air, & Soil Pollution | 2014年 / 225卷
关键词：
Textile waste; Photo-assisted electrochemical degradation; AOX; Color removal; Chlorine photolysis;
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摘要：
The application of combined electrochemical and photochemical techniques for the degradation of real textile effluent is presented. It is demonstrated that the simultaneous use of both techniques, in conjunction with in situ generation of free chlorine and its subsequent photolysis, is a promising technique for removing color and chemical oxygen demand (COD) from effluents. Crucially, the combination of electrochemical and photochemical techniques leads to lower quantities of chlorine-containing degradation by-products being produced and no overall increase in toxicity. Over the treatment times studied, up to 65 % less chloride-containing degradation by-products are formed while at the same time greater rates of color and COD removal are achieved.
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