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	Reduction in greenhouse gas emissions from sewage sludge aerobic compost in China
	Gao D.
	2014
关键词	compost emission greenhouse gas landfill sewage sludge life-cycle assessment long-term application land application carbon-dioxide climate-change soil biosolids phosphorus footprint dynamics
英文摘要	Sewage sludge is an important contributor to greenhouse gas (GHG) emissions and the carbon budget of organic solid waste treatment and disposal. In this case study, total GHG emissions from an auto-control sludge compost system, including direct and indirect emissions and replaceable reduction due to sludge compost being reused as fertilizer, were quantified. The results indicated that no methane generation needed to be considered in the carbon debit because of the advantages of auto-control for monitoring and maintenance of appropriate conditions during the composting process. Indirect emissions were mainly from electricity and fossil fuel consumption, including sludge transportation and mechanical equipment use. Overall, the total carbon replaceable emission reduction owing to sludge being treated by composting rather than landfill, and reuse of its compost as fertilizer instead of chemical fertilizer, were calculated to be 0.6204 tCO(2)e t(-1) relative to baseline. Auto-control compost can facilitate obtaining certified emission reduction warrants, which are essential to accessing financial support with the authentication by the Clean Development Mechanism.
出处	Water Science and Technology
卷	69
期	6
页	1129-1135
收录类别	SCI
语种	英语
ISSN号	0273-1223
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/29735]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Gao D.. Reduction in greenhouse gas emissions from sewage sludge aerobic compost in China. 2014.

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