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Shubiao Wu

A comprehensive model for evaluation of carbon footprint and greenhouse gages emission in household biogas plants

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DOI

  • Jie Zhou, China Agricultural University
  • ,
  • Shubiao Wu
  • Wanqin Zhang, China Agricultural University
  • ,
  • Changle Pang, China Agricultural University
  • ,
  • Baozhi Wang, China Agricultural University
  • ,
  • Renjie Dong, China Agricultural University
  • ,
  • Li Chen, China Agricultural University

Based on Life Cycle Assessment and other related methods, this paper introduced a comprehensive model for the evaluation of the carbon footprint and greenhouse gases emission in household biogas plants including nearly all the processes of the household biogas project, such as the collection of raw materials, fermentation processing, and fermentation residue processing and so on. The carbon footprint and greenhouse gas emission from three classical household biogas plants in China were analyzed. Considering the greenhouse gases emissions in life cycle of household biogas plants, the main emission processes were investigated to be the utilization of biogas, such as biogas combustion use and transportation of materials which both accounting for more than 98%. The greenhouse gases emissions in the stages of methane leakage and construction materials production were only estimated to be 1.1% and 0.5%, respectively. As comparing to the meandering fabric digester and the precast reinforced concrete panels fabricated digester, the in-situ concrete cylindrical water pressure digester showed the lowest carbon footprint and accordingly most potential for the reduction of greenhouse gases emission. It tried to analyze three household biogas plants' carbon footprint and greenhouse gas emission during the stages. It can provide the basis for optimization low-carbon proposal and the analysis and built up a simple carbon footprint calculation model. About household digesters life cycle greenhouse gas emissions, the main emission process are biogas utilization period and transport phase , accounting for more than 98.38 percent , followed by methane leak stage and building materials production stage, about 1.11% and 0.51%.Compared to meandering fabric type digesters and precast reinforced concrete panels fabricated digesters, in-situ concrete cylinder shaped hydraulic digester's carbon footprint is minimum so greenhouse gas emission reduction potential is great.

OriginalsprogEngelsk
TitelProceedings - 2012 3rd International Conference on Digital Manufacturing and Automation, ICDMA 2012
Antal sider6
Udgivelsesår2012
Sider30-35
Artikelnummer6298248
ISBN (trykt)9780769547725
DOI
StatusUdgivet - 2012
Eksternt udgivetJa
Begivenhed2012 3rd International Conference on Digital Manufacturing and Automation, ICDMA 2012 - Guilin, Guangxi, Kina
Varighed: 31 jul. 20122 aug. 2012

Konference

Konference2012 3rd International Conference on Digital Manufacturing and Automation, ICDMA 2012
LandKina
ByGuilin, Guangxi
Periode31/07/201202/08/2012
SponsorShanghai Normal University, Guilin University of Aerospace Technology, Aerospace Industries Association of Guangxi, Central South University, Tsinghua University

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