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

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

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.

Tango Jona
Tangokurs Rapperswil-Jona

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