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Greenhouse gas mitigation using poultry litter management techniques in Bangladesh
Royal Institute of Technology.ORCID-id: 0000-0003-0189-474x
Royal Institute of Technology.
Royal Institute of Technology.ORCID-id: 0000-0001-7123-1824
2017 (engelsk)Inngår i: Energy Journal, ISSN 0195-6574, E-ISSN 1944-9089, Vol. 127, s. 155-166Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Poultry activities have expanded significantly in Bangladesh in recent years. The litter generated from rural poultry farms is often dumped in low ground neighboring areas resulting in greenhouse gas emissions, as well as water and air pollution. This study estimates the GHG emissions of a typical rural layer poultry farm in Bangladesh, and identifies the GHG emissions reduction potential when poultry litter management techniques are used to produce biogas, generating electricity and bio-fertilizer. Life-cycle assessment (LCA) has been used for a systematic evaluation of GHG-emissions considering the local supply chain in a typical rural layer poultry farm. The analysis shows that the GHG-emissions at the poultry farm amount to 1735 KgCO2eq/10000 eggs produced if the litter is untreated. With the installation of an anaerobic digester, the emission intensity could be reduced by 65% if the gas is used to replace LPG for cooking purposes. If 100% digested slurry is utilized as bio-fertilizer, the emissions intensity could be further reduced by 17 times compared to the case without slurry utilization. These results justify the consideration of national programs to improve conditions in poultry farms in Bangladesh. 

sted, utgiver, år, opplag, sider
Elsevier, 2017. Vol. 127, s. 155-166
Emneord [en]
GHG emission, Poultry farm, Litter management, Anaerobic digester, Biogas, Slurry
HSV kategori
Forskningsprogram
Teknik, Bioenergiteknik/Energi- och Miljöteknik
Identifikatorer
URN: urn:nbn:se:lnu:diva-78488DOI: 10.1016/j.energy.2017.03.103ISI: 000403991400013Scopus ID: 2-s2.0-85016397107OAI: oai:DiVA.org:lnu-78488DiVA, id: diva2:1258900
Tilgjengelig fra: 2018-10-26 Laget: 2018-10-26 Sist oppdatert: 2018-12-11bibliografisk kontrollert

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