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|Title:||Photo-oxidative degradation of an azo dye direct red 31 in the presence of ZnS catalyst|
|Authors:||Rao, A Nageswara|
Direct red 31
|Series/Report no.:||Int. Cl.<sup>9</sup> B01J23/06; B01J27/04; C07B33/00; C09B<b></b>|
|Abstract:||The photocatalytic degradation of direct red 31 on irradiation with UV light in the presence of ZnS photocatalyst has been reported. Effect of <i style="">p</i>H, weight of catalyst and concentration of dye on the degradation has been studied. A higher removal of dye is observed under mildly acidic conditions. The optimum weight of catalyst loading is found to be 3.0 g/L. The dye degradation obeys first order kinetics and is explained on the basis of Langmuir-Hinshelwood mechanism.|
|Appears in Collections:||IJC-A Vol.49A(07) [July 2010]|
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