The Composting Treatment of Residue from Biological Municipal Waste Anaerobic Digestion

Abstract:

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The high-solids anaerobic digestion of biological municipal waste (BMW) produces both a valuable fuel production (methane) and an anaerobic digestion residue. Compost technology was chosen to treat with anaerobic digestion residue and the conclusion was. 1) The anaerobic digestion of the bio-waste as a whole worked fine during the stabilization stage, the maximum daily gas production happened on the 125th day, the maximum was 91.86L/d and TS concentration in the digestive juice was14.78%, methane concentration was about 50-55%, HRT was 20 days and the biodegradation rate was 65.28%;2) The temperature of AD residue compost entered the thermophilic phase(55°C) on day 3 of composting, lasted at least 3days, the changes in pH followed the same trend with a rise from 6.18 to 7.26 on the 14th day, he final mass loss was 30.12%, which resulted in the compost quality higher than innocuity criteria.

Info:

Periodical:

Advanced Materials Research (Volumes 129-131)

Edited by:

Xie Yi and Li Mi

Pages:

703-707

DOI:

10.4028/www.scientific.net/AMR.129-131.703

Citation:

L. Feng and R. D. Li, "The Composting Treatment of Residue from Biological Municipal Waste Anaerobic Digestion", Advanced Materials Research, Vols. 129-131, pp. 703-707, 2010

Online since:

August 2010

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$35.00

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