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Combined heterogeneous Electro-Fenton and biological process for the treatment of stabilized landfill leachate

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Title Combined heterogeneous Electro-Fenton and biological process for the treatment of stabilized landfill leachate
 
Creator Baiju, Archa
Gandhimathi, R.
Ramesh, S.T.
Nidheesh, P. V.
 
Subject Industrial Wastewater Treatment & Disposal
Water Pollution
Environmental Engineering
Waste Water Treatment
 
Description Treatment of stabilized landfill leachate is a great challenge due to its poor biodegradability. Present
study made an attempt to treat this wastewater by combining electro-Fenton (E-Fenton) and biological
process. E-Fenton treatment was applied prior to biological process to enhance the biodegradability of
leachate, which will be beneficial for the subsequent biological process. This study also investigates the
efficiency of iron molybdophosphate (FeMoPO) nanoparticles as a heterogeneous catalyst in E-Fenton
process. The effects of initial pH, catalyst dosage, applied voltage and electrode spacing on Chemical
Oxygen Demand (COD) removal efficiency were analyzed to determine the optimum conditions. Heterogeneous E-Fenton process gave 82% COD removal at pH 2, catalyst dosage of 50 mg/L, voltage 5 V,
electrode spacing 3 cm and electrode area 25 cm2
. Combined E-Fenton and biological treatment resulted
an overall COD removal of 97%, bringing down the final COD to 192 mg/L.
 
Publisher Elsevier
 
Date 2018
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://neeri.csircentral.net/1262/1/2018%20Archa%20J%20Env%20Management.pdf
Baiju, Archa and Gandhimathi, R. and Ramesh, S.T. and Nidheesh, P. V. (2018) Combined heterogeneous Electro-Fenton and biological process for the treatment of stabilized landfill leachate. Journal of Environmental Management, 210. pp. 328-337. ISSN 03014797
 
Relation http://dx.doi.org/10.1016/j.jenvman.2018.01.019
http://neeri.csircentral.net/1262/