Catalytic Decomposition of Pentachlorophenol by the Iron Fenton System: The Dual Role of Humic Acid
作者： Y. Deligiannakis , Dimitra Hela
DOI: 10.1007/978-94-007-5634-2_107
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摘要: The effect of Fenton [Fe/H2O2] on the catalytic decomposition pentachlorophenol (PCP) in presence and absence humic acid (HA) was evaluated. Numerous studies have shown that HA can act either as an enhancer or inhibitor reaction. Herein, by combining electron paramagnetic resonance (EPR) spectroscopic data, it is a dual manner, e.g. for PCP oxidation, depending initial Fe/HA ratio. A quantitative limit established: (i) at low 1.17 mmol/gr, significant enhancement observed. EPR spectroscopy revealed acted chelator Fe (ii) redox agent. data reveal two types Fe-binding sites HA: (a) strong (b) weak where susceptible to reduction.
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