Carbon footprint of biobutanol by ABE fermentation from corn and sugarcane
메타 데이터
바이오화학분류
바이오플라스틱
플라스틱
바이오정밀화학
용매
화학제품
연료
화장품용 기능성소재
계면활성제⁄증점제
의료용 화학소재
치료제
식품첨가제
논문
Carbon footprint of biobutanol by ABE fermentation from corn and sugarcane
학술지
Renewable energy
저자명
Vaisanen, S.; Havukainen, J.; Uusitalo, V.; Havukainen, M.; Soukka, R.; Luoranen, M.
초록
This article focuses on the saving potential of butanol as regards greenhouse gas (GHG) emissions. It is known that butanol can be used as a biofuel to decrease the greenhouse gas emissions from transport and that butanol may overcome blend wall limitations better than ethanol. However, the GHG emissions of butanol are not well known. The study is based on two case studies: corn butanol production in the USA and sugarcane butanol production in Brazil. Results obtained for GHG emissions show 79-122 g<SUB>CO2-eq</SUB>/MJ for corn butanol and -55-18 g<SUB>CO2-eq</SUB>/MJ for sugarcane butanol. Our results suggest that in the cases studied, producing butanol from corn (with the current cultivation and process practices) does not lead to GHG emission savings. On the other hand, producing butanol from sugarcane seems to have potential for GHG emission reductions in certain conditions. We highlight the differences between these two production chains and discuss how GHG emissions from these biofuel chains could be reduced.