Abstract
This work was investigated from the decolorization of methyl green dye in presence of ZrO2 under certain conditions. The raised of temperature leads to increase the rate of this photoreaction. The activation energy was found to be 26.005 kJmolȡ1. Moreover, some oxidation agents was addition to dye solution with ZrO2 and given the following sequence for increasing the rate of reaction Fe2+< K2S2O8< without addition< H2O2. This result was indicated to the reaction is more fast under using different ratio from H2O2 from 0.5%, 0.75%, 1% and 1.5% . The Maximum efficiency was reached to 98.78% at 30 min under addition 1.5% from H2O2 to dye solution with ZrO2.
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