Synthetic dyes in wastewater from the textile industry pose a risk to the environment. These effluents can be treated with chemical and/or biological processes. The main problem can be the generation of toxic sludge, high operating costs or maintenance costs. Advanced oxidation pro-cesses show success with acceptable operating and maintenance costs. The aim of the work was to investigate the influence of reaction conditions on the decolourisation of simulated wastewater using the Fenton reagent in a batch system. The effectiveness was tested using the example of the anthraquinone colourant Acid violet 109. The influence of the initial concentrations of iron and hydrogen-peroxide in different molar ratios was tested.
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Dajić et al. (2024) studied this question.
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