期刊
RENEWABLE ENERGY
卷 198, 期 -, 页码 222-227出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.renene.2022.08.040
关键词
Life cycle water footprint; Biobutanol; Direct water use; Indirect water use; Lignocellulosic biomass
Lignocellulosic biomass is a promising option for biofuels production, but concerns over its water impact exist. This study conducted a life cycle water footprint analysis on pine-to-biobutanol production process and found that the pine production stage has a significant influence on the total water use of the system, with the biobutanol production stage being the largest section of the life cycle water footprint.
Lignocellulosic biomass is regarded as a promising option for biofuels production to address the climate change and energy security. Nevertheless, worries about its influence on water have been raised, as massive production of biofuels may put pressure on the quality of water and supplies of fresh water. Thus, it is crucial to assess the influence of biofuel technology on water resource for the sustainable development of biofuel future. Life cycle water footprint analysis is a useful tool to address the above problems. Life cycle water footprint research on pine to biobutanol via thermochemical method is presented in this study. The results of this paper demonstrate that the total water use for the whole system is 145.96 L H2O/MJ biobutanol and the total water use is dominated by pine production stage. Scenario analysis reveals that the stage of biobutanol producing is the largest section for the life cycle water footprint without pine production stage. In addition, the base case scenarios??? results are considered as accurate through uncertainty analysis. Superscript/Subscript Available
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