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- W3203676578 abstract "ABSTRACTConstruction and demolition waste from the whole planet are around 3 billion tons per year. Steel-based waste is one of the most significant which was estimated at about 10% of total construction waste. In this study, a catalyst derived from rebar flakes waste (RFW) was investigated for heterogeneous Fenton oxidation of methyl orange (MO) in water. The catalyst was characterized using Particle Size Analyzer, SEM-EDX analysis, XRD analysis, and AAS analysis. RFW catalyst contains 60.19% (in wt) of iron, in form of magnetite (Fe3O4), hematite (Fe2O3), and wustite (FeO). RFW catalyse Fenton oxidation of MO was investigated under various experimental conditions as follows: catalyst dosage (0.5-1.5 g/L), oxidant dosage (3.3-26.4 mM), pollutant concentration (10-200 ppm), pH (2-4), and temperature (30-60oC).Decolourisation of MO was improved by high catalyst dosage, acidic solution, and high temperature. Decolourisation up to 97% in 3 hours was observed at 0.75 g/L RFW catalyst, 6.6 mM H2O2, solution pH at 3, and temperature at 60oC. Evaluation of iron leaching suggests that the Fenton oxidation of MO was due to the concomitant reaction of the heterogeneous and homogeneous pathway" @default.
- W3203676578 created "2021-10-11" @default.
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- W3203676578 date "2021-11-01" @default.
- W3203676578 modified "2023-09-23" @default.
- W3203676578 title "Heterogeneous Fenton Oxidation Catalysed by Rebar Flakes Waste for Removal of Methyl Orange in Water" @default.
- W3203676578 doi "https://doi.org/10.6180/jase.202206_25(3).0003" @default.
- W3203676578 hasPublicationYear "2021" @default.
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