A novel approach for the oxidative degradation of organic pollutants in aqueous solutions mediated by iron tetrasulfophthalocyanine under visible light radiation

Chemistry : a European Journal
Xia TaoJincai Zhao

Abstract

An efficient approach has been developed to decompose toxic organic pollutants. The photodegradation of Rhodamine B (RhB), salicylic acid, and Orange II was examined in the presence of iron tetrasulfophthalocyanine ([Fe(PcS)]) and H(2)O(2) under visible irradiation. It was found that under visible light irradiation, organic pollutants in the [Fe(PcS)]/H(2)O(2) system can be rapidly degraded, but the concentration of [Fe(PcS)] remains nearly unchanged, and this indicates that [Fe(PcS)] has a good catalytic character. EPR results and other experimental results suggest that the light-activated reaction process involves the formation and reaction of HO(.) radicals. On the basis of the experimental results, a possible reaction mechanism for the degradation of organic pollutants under visible light illumination in the aqueous [Fe(PcS)]/H(2)O(2) solutions is proposed.

Citations

Nov 14, 2019·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Sulafa Jamal M NassarAnthony Harriman
Mar 19, 2014·Physical Chemistry Chemical Physics : PCCP·Xitong LiuBingcai Pan
Nov 18, 2010·Physical Chemistry Chemical Physics : PCCP·Chunyan SunJincai Zhao

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