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Stimulation of anaerobic digestion of thickened sewage sludge by iron-rich sludge produced by the fenton method

Paper ID Volume ID Publish Year Pages File Format Full-Text
22015 43248 2008 4 PDF Available
Title
Stimulation of anaerobic digestion of thickened sewage sludge by iron-rich sludge produced by the fenton method
Abstract

In batch mesophilic anaerobic digestion of a mixture of iron-rich sludge collected from Fenton treatment of molasses wastewater (MWW) and thickened sewage sludge from a municipal wastewater treatment plant, the methane content in the gas from the mixture was significantly higher than that from thickened sewage sludge only. When minerals in iron-rich sludge obtained by incineration were fed to thickened sewage sludge in semi-continuous experiments, the methane content obtained by digestion of thickened sewage sludge only increased approximately from 53% to 64%. These results suggest that iron-rich sludge can enhance methane production for thickened sewage sludge.

Keywords
anaerobic digestion; Fenton method; iron-rich sludge; thickened sewage sludge
First Page Preview
Stimulation of anaerobic digestion of thickened sewage sludge by iron-rich sludge produced by the fenton method
Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 106, Issue 1, July 2008, Pages 107–110
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering