Study on Forced Aeration Composting of Digested Sludge and Sawdust under Low Ambient Temperature

Abstract:

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Physicochemical and biological properties were studied during the forced aeration composting of digested sludge and sawdust under ambient temperature between 9 and 15°C. The temperature above 55°C in the core of composting pile kept for 5d during the whole composting process. Total organic carbon and moisture content obviously declined with the increase of composting time, and the content of NO3--N increased. pH, electrical conductivity, NH4+-N, cellulose and urease activities originally increased and then declined. The germination index was 82.82% on day 35. The research results showed that forced aeration composting of digested sludge and sawdust under low ambient temperature could meet the demand of mature on day 35.

Info:

Periodical:

Advanced Materials Research (Volumes 356-360)

Edited by:

Hexing Li, Qunjie Xu and Daquan Zhang

Pages:

2027-2030

DOI:

10.4028/www.scientific.net/AMR.356-360.2027

Citation:

Z. C. Wang et al., "Study on Forced Aeration Composting of Digested Sludge and Sawdust under Low Ambient Temperature", Advanced Materials Research, Vols. 356-360, pp. 2027-2030, 2012

Online since:

October 2011

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Price:

$35.00

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