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[106640] Artykuł: Fenton Process Optimization with Landfill Leachate in Janczyce as an ExampleCzasopismo: Polish Journal of Environmental Studies Tom: 30, Zeszyt: 4, Strony: 1-7ISSN: 1230-1485 Opublikowano: Kwiecień 2021 Autorzy / Redaktorzy / Twórcy Grupa MNiSW: Publikacja w czasopismach wymienionych w wykazie ministra MNiSzW (część A) Punkty MNiSW: 40 ![]() ![]() Słowa kluczowe: odcieki składowiskowe  reakcja Fentona  oczyszczanie ścieków  usuwanie związków węgla.  Keywords: landfill leachate  Fentons reaction  wastewater treatment  carbon contaminants removal.  |
One of the advanced oxidation methods is the Fenton’s reaction which uses a mixture of iron(II) and hydrogen peroxide to generate hydroxyl radicals. The Fenton process efficiency is influenced by a number of factors including the pH, the Fe2+:H2O2 relation or the Fe2+ dose. The aim of the study was to optimize the Fenton method in the application for landfill leachate treatment, with the landfill in Janczyce (Świętokrzyskie Voivodeship) as an example. The sequence of determining the most advantageous conditions for the use of Fenton’s reagent was as follows: A – the pH effect; B – the oxidation time effect; C – the Fe2+:H2O2 relation effect; D – the Fe2+ dose effect. The optimum catalyst/oxidant ratio of 0.125 was determined. The optimum process time of 90 minutes was determined. It was demonstrated that the Fenton process can be effectively carried out already at the pH of 4. A reduction by 75% for the TOC and by 89% for the COD, respectively, was obtained.