Experimental Study on the Treatment of Dye Wastewater with High Entropy Alloy and E-Fenton Reagent
The electro Fenton(E-Fenton)technology for treating dye wastewater has shown significant advantages.However,in practical applications,the durability and corrosion issues of electrode materials have always been key factors limiting their further development.In order to address these issues and further improve degradation efficiency,the study decided to use high entropy alloys as anodes and conduct experiments in combination with E-Fenton reagents.The goal is to use methyl orange as a simulated pollutant to degrade dye wastewater.The experimental results show that after 5 hours of reaction,the maximum corrosion rate of Al0.3CoCrFe2Ni high entropy alloy is only 5.94 g/cm2·h.Compared with the corrosion rates of Al0.3CoCrFe1.7Ni,Al0.3CoCrFe1.3Ni,Al0.3CoCrFe0.9Ni,and iron sheets,the corrosion rates were reduced by 44.17%,63.44%,78.06%,and 84.59%,respectively.Both Al0.3CoCrFe2Ni and Al0.3CoCrFe1.7Ni alloys exhibit diffraction peaks of Fe2O3 and Fe3O4.This research result indicates that the combination of high entropy alloy and E-Fenton reagent in the treatment of dye wastewater effectively improves the corrosion resistance of electrode materials.This not only provides a new solution for the treatment of dye wastewater,but also further confirms the potential application of high entropy alloys in the field of environmental protection.
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