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Reduction in greenhouse gas emissions from sludge biodrying instead of heat drying combined with mono-incineration in China
Liu, Hong-tao1; Wang, Yan-wen1; Liu, Xiao-jie1; Gao, Ding1; Zheng, Guo-di1; Lei, Mei1; Guo, Guang-hui1; Zheng, Hai-xia1; Kong, Xiang-juan2
2017-02-01
Source PublicationJOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION
ISSN1096-2247
Volume67Issue:2Pages:212-218
Corresponding AuthorLiu, Hong-tao(liuht@igsnrr.ac.cn)
AbstractSludge is an important source of greenhouse gas (GHG) emissions, both in the form of direct process emissions and as a result of indirect carbon-derived energy consumption during processing. In this study, the carbon budgets of two sludge disposal processes at two well-known sludge disposal sites in China (for biodrying and heat-drying pretreatments, both followed by mono-incineration) were quantified and compared. Total GHG emissions from heat drying combined with mono-incineration was 0.1731 tCO(2)e t(-1), while 0.0882 tCO(2)e t(-1) was emitted from biodrying combined with mono-incineration. Based on these findings, a significant reduction (approximately 50%) in total GHG emissions was obtained by biodrying instead of heat drying prior to sludge incineration.Implications: Sludge treatment results in direct and indirect greenhouse gas (GHG) emissions. Moisture reduction followed by incineration is commonly used to dispose of sludge in China; however, few studies have compared the effects of different drying pretreatment options on GHG emissions during such processes. Therefore, in this study, the carbon budgets of sludge incineration were analyzed and compared following different pretreatment drying technologies (biodrying and heat drying). The results indicate that biodrying combined with incineration generated approximately half of the GHG emissions compared to heat drying followed by incineration. Accordingly, biodrying may represent a more environment-friendly sludge pretreatment prior to incineration.
DOI10.1080/10962247.2016.1227282
WOS KeywordMUNICIPAL SOLID-WASTE ; SEWAGE-SLUDGE ; ANAEROBIC-DIGESTION ; WATER TREATMENT ; ENERGY ; RECOVERY ; GASIFICATION ; TECHNOLOGY ; MANAGEMENT ; SYSTEMS
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41201585] ; Science and the Technology Project from the Ministry of Housing and Urban-Rural Development of China[2012-K7-2] ; Beijing Nova Program[Z121109002512061]
Funding OrganizationNational Natural Science Foundation of China ; Science and the Technology Project from the Ministry of Housing and Urban-Rural Development of China ; Beijing Nova Program
WOS Research AreaEngineering ; Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS SubjectEngineering, Environmental ; Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS IDWOS:000392656300007
PublisherTAYLOR & FRANCIS INC
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/64986
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLiu, Hong-tao
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Minist Housing & Urban Rural Dev China, Ctr Sci & Technol Construct, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Liu, Hong-tao,Wang, Yan-wen,Liu, Xiao-jie,et al. Reduction in greenhouse gas emissions from sludge biodrying instead of heat drying combined with mono-incineration in China[J]. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION,2017,67(2):212-218.
APA Liu, Hong-tao.,Wang, Yan-wen.,Liu, Xiao-jie.,Gao, Ding.,Zheng, Guo-di.,...&Kong, Xiang-juan.(2017).Reduction in greenhouse gas emissions from sludge biodrying instead of heat drying combined with mono-incineration in China.JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION,67(2),212-218.
MLA Liu, Hong-tao,et al."Reduction in greenhouse gas emissions from sludge biodrying instead of heat drying combined with mono-incineration in China".JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION 67.2(2017):212-218.
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