Xing Ning
2009
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Journal
Journal of Mineralogy and Petrology
Abstract
Decolorization of reactive brilliant orange(named as X-GN)was investigated under visible irradiation(λ 420 nm)by using Fe-Mt /H2O2 as the heterogeneous photo-Fenton reagent and degradation of X-GN in different reaction systems was discussed,and the influences of reaction conditions,such as X-GN concentration,solution pH,catalyst dosage and reaction temperature were also evaluated.The results showed that under the conditions of reaction temperature at 30 ℃,pH value at 3.0,4.9 mmol/L H2O2 and 0.6 g/L catalyst within 140 min treatment,98.5% discoloration was obtained.Furthermore,it was experimentally found that photocatalytic degradation of X-GN was close to one-order kinetic reaction.