NDLI: Effects of ventilation on aerobic composting of organic wastes

Content Provider	IEEE Xplore Digital Library
Author	Yuchuan Zhang Xiaofan Ma Hang Cui Yang Li Yingxin Zhang Aitong Guo Ping Guo
Copyright Year	2011
Description	Author affiliation: College of Environment and Resource, Jilin University, Changchun, China (Yuchuan Zhang; Xiaofan Ma; Hang Cui; Yang Li; Yingxin Zhang; Aitong Guo; Ping Guo)
Abstract	Aerobic static co-composting of agriculture organic wastes(corn straw) and organic fraction of municipal solid wastes under different ventilation rates of 0.05,0.15 and 0.2 $m^{3}·min^{−1}·m^{−3}$ was studied in lab-scale for obtaining the best ventilation rate. The changes of physical and chemical properties(such as temperature, pH value, water content), nutritional factors (such as available N, available P and ratio of carbon to nitrogen), and the degree of humification (humification index and the E4/E6 value of Humic Acid) in composting material were measured to examine the feasibility of co-composting of agriculture organic wastes and organic fraction of municipal solid wastes. Results show that organic fractions of municipal solid wastes and corn straw can be used to co-composting under different ventilation rates. When the dry basis ratio of organic wastes of municipal solid wastes and corn straw was 5∶1, initial water content was 55%, and the initial ratio of carbon to nitrogen was 34∶1. It could not only enhance the temperature of piles and keep the high temperature for longer time, but also decrease the loss of nitrogen and accelerate the degradation of organic substance and the degree of humification at the ventilation of $0.15m^{3}·min^{−1}·m^{−3}.$ It was beneficial to the accumulation of available N and available P, with the ventilation of $0.15m^{3}·min^{−1}·m^{−3}$ better than others.
Starting Page	3996
Ending Page	3999
File Size	317227
Page Count	4
File Format	PDF
ISBN	9781424491728
e-ISBN	9781424491711
DOI	10.1109/RSETE.2011.5965195
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Aerobic composting Agriculture organic wastes Soil Humification Solids Ventilation Educational institutions Agriculture Organic fraction of municipal solid wastes Nitrogen Carbon
Content Type	Text
Resource Type	Article

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