Landfill Leachate Treatment through Electro-Fenton Oxidation

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MOHAJERI S.; HAMIDI A.A.; ISA M.H.; ZAHED M.A.

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Journal: POLLUTION Year:2019 | Volume:5 | Issue:1 Page(s): 199-209

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Title

Landfill Leachate Treatment through Electro-Fenton Oxidation

Author(s)

MOHAJERI S. | HAMIDI A.A. | ISA M.H. | ZAHED M.A. | Issue Writer Certificate

Keywords

Landfill

wastewater

treatment

AOP

Abstract

Advanced Oxidation Processes (AOPs) have been employed to degrade biorefractory organic matters. This study investigates the combination of classical Fenton reaction with electrochemical oxidation, the electro-Fenton process, for the treatment of semi aerobic Landfill leachate, collected from Pulau Burung Landfill Site (PBLS), Penang, Malaysia. The investigation has been carried out in batch reactors with aluminum electrodes to establish the optimal treatment conditions. The effects of applied current, pH, reaction time, electrodes separation distance, H2O2/Fe2+ molar ratio, and H2O2 and Fe2+ concentrations, significant process parameters by themselves, have also been investigated. According to the obtained results, electro-Fenton process is very efficient for the treatment of Landfill leachate. Optimum oxidation efficiency has been achieved when neither H2O2 nor Fe2+ are overdosed, so that the maximum amount of OH radicals is available for the oxidation of organic compounds. The highest COD and color removals have been 92% and 93%, respectively; obtained at initial pH=3, H2O2/Fe2+ molar ratio=1, applied current= 2A, treatment duration= 30 min, and electrodes separation distance= 3 cm. The current efficiency declines from 94% to 38% when the current rises from 0. 5A to 2A.

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APA: Copy

MOHAJERI, S., HAMIDI, A.A., ISA, M.H., & ZAHED, M.A.. (2019). Landfill Leachate Treatment through Electro-Fenton Oxidation. POLLUTION, 5(1), 199-209. SID. https://sid.ir/paper/348752/en

Vancouver: Copy

MOHAJERI S., HAMIDI A.A., ISA M.H., ZAHED M.A.. Landfill Leachate Treatment through Electro-Fenton Oxidation. POLLUTION[Internet]. 2019;5(1):199-209. Available from: https://sid.ir/paper/348752/en

IEEE: Copy

S. MOHAJERI, A.A. HAMIDI, M.H. ISA, and M.A. ZAHED, “Landfill Leachate Treatment through Electro-Fenton Oxidation,” POLLUTION, vol. 5, no. 1, pp. 199–209, 2019, [Online]. Available: https://sid.ir/paper/348752/en

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