2021•RSC AdvancesOpen access

The treatment of real dyeing wastewater by the electro-Fenton process using drinking water treatment sludge as a catalyst

Đức Đạt Đức Nguyễn, Huy Hoang Phan Quang, Hoan Nguyen Xuan, Tấn Phong Nguyễn

Abstract

after Fenton-oxidation were investigated to understand the mechanisms involved. The degradation of COD in EFP was found to fit well the pseudo-first-order kinetic model. The thermodynamic constants of the Fenton oxidation process were also determined and showed that the Fenton-oxidation process was spontaneous and endothermic. This study provides an efficient and low-cost method for the degradation of non-biodegradable pollutants in dyeing wastewater to solve waste using waste.

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Key concepts: Wastewater, Dyeing, Endothermic process, Chemistry, Degradation (telecommunications), Pollutant, Mineralization (soil science), Catalysis