Reutilization of Fe-containing tailings ore enriched by iron(iii) chloride as a heterogeneous Fenton catalyst for decolorization of organic dyes.

ABSTRACT: In this study, the Fe-containing tailings (Fe-TO) ore was reutilized and enriched with FeCl₃ as a heterogeneous catalyst for the Fenton process to degrade the organic dyes from aqueous solution. The determinants of the heterogeneous catalytic Fenton system which included iron modification ratio, solution pH, catalyst dosage, H₂O₂ dosage and initial concentration of organic dyes were systematically investigated. The modification ratio of 15% (w/w of iron), pH of 3, MFe-TO15 dosage of 0.5 g L^-1 and H₂O₂ dosage of 840 mg L^-1 were chosen as the best operational conditions for Fenton oxidation of organic dyes. The decolorization efficiency of both MB and RhB by MFe-TO15/H₂O₂ was higher than that o

SUBMITTER: Nguyen LH 

PROVIDER: S-EPMC9030600 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature