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Photocatalytic degradation of the herbicide quinclorac in water using Mn (III) salen and solar light
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Quinclorac (QNC) is a widely used herbicide and is persistent in surface and ground waters. Its residuals and converted products are hazardous to aquatic animals, vegetation, and microbes, and it is therefore important to degrade QNC using an efficient and environmental friendly technology. In this study, the photocatalytical degradation of QNC using [(R,R)-(N,N′ -bis(3,5,3′ ,5′ -tetra-tert-butylsalicylidene)-1,2-cyclohexanediaminato] manganese(III) acetate (Mn (III) salen) and H2O2 was performed under natural sunlight irradiation and a 91% degradation rate was achieved in neutral pure water in 240 min. |