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The Effect and its Influence Factors of the Fenton Process on the Old Landfill Leachate

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Author(s): Long Tengrui | Anas Al-Harbawi | Zhai Jun | Lin Ming Bo

Journal: Journal of Applied Sciences
ISSN 1812-5654

Volume: 7;
Issue: 5;
Start page: 724;
Date: 2007;
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Keywords: landfill leachate | biodegradability | Fenton process

ABSTRACT
An experiment study on landfill leachate treatment using Fenton's reagents has been introduced. The effect of operating conditions such as reaction time, pH, H2O2 to Fe(II) ratio (W/W) and temperature on the efficacy of Fenton process was investigated. The monitored sample taken from the Chang Sheng bridge landfill site in Chongqing city-China, has its concentrations of COD, BOD5 and NH3-N about 1500, 75 and 920 mg L-1, respectively. The oxidation of organic materials in the leachate is pH dependent and the optimal pH is 3.0. The favorable H2O2:Fe(II) ratio is 2.5:1 and the COD removal rate increased with the increase of Fenton dosage at the favorable H2O2:Fe(II) ratio.

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Tangokurs Rapperswil-Jona

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