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The oxidation kinetics and mechanisms of Reactive Red 120, Direct Blue 160, and Acid Blue 40 by H 2 O 2 /iron powder system were investigated in a well-mixed batch reactor. Optimal pH ranged from 2.0 to 3.0 depending upon the dye molecular structure and the iron dissolution rate. The optimal ratio of H 2 O 2 to iron metal was 0.001M to 1.0 g/L. The initial oxidation...
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