Life cycle GHG analysis of rice straw bio-DME production and application in Thailand
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Author list: Silalertruksa T., Gheewala S.H., Sagisaka M., Yamaguchi K.
Publisher: Elsevier
Publication year: 2013
Journal: Applied Energy (0306-2619)
Volume number: 112
Start page: 560
End page: 567
Number of pages: 8
ISSN: 0306-2619
eISSN: 1872-9118
Languages: English-Great Britain (EN-GB)
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Abstract
Thailand is one of the leading countries in rice production and export; an abundance of rice straw, therefore, is left in the field nowadays and is commonly burnt to facilitate quick planting of the next crop. The study assesses the life cycle greenhouse gas (GHG) emissions of using rice straw for bio-DME production in Thailand. The analysis is divided into two scenarios of rice straw bio-DME utilization i.e. used as automotive fuel for diesel engines and used as LPG supplement for household application. The results reveal that that utilization of rice straw for bio-DME in the two scenarios could help reduce GHG emissions by around 14-70% and 2-66%, respectively as compared to the diesel fuel and LPG substituted. In case rice straw is considered as a by-product of rice cultivation, the cultivation of rice straw will be the major source of GHG emission contributing around 50% of the total GHG emissions of rice straw bio-DME production. Several factors that can affect the GHG performance of rice straw bio-DME production are discussed along with measures to enhance GHG performance of rice straw bio-DME production and utilization. ฉ 2013 Elsevier Ltd.
Keywords
Bio-DME, GHG emissions, Life cycle analysis
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