DECOLOURISATION OF REACTIVE DYESTUFF USING FENTON’S REAGENT
DOI:
https://doi.org/10.11113/mjce.v17.15677Keywords:
Fenton’s Reagent, Reactive Dyestuff, Dyeing WastewaterAbstract
The behaviour of Fenton‟s Reagent (FR) system in decolourising Reactive Black 5 (RB5) was investigated. It was observed that the system is capable to decolourise 0.2 mM RB5 within a reasonable time with most decolourisation occurred in the first minute. The performance of the process is greatly affected by the reagent dosage. The best dosages of peroxide and Fe2+ were 7 mM and 1 mM, respectively. The best H2O2:Fe2+:dye molar ratio was 35:5:1. The dye was also found to enhance the decomposition of the peroxide. This suggests the possibility of Fe3+/Fe2+ „redox-recycled‟ as experienced in a Hamilton-like system favouring the use of FR process for the degradation of the dyeReferences
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