Switchgrass-Based Bioethanol Productivity and Potential Environmental Impact from Marginal Lands in China

doi:10.3390/en10020260

	Switchgrass-Based Bioethanol Productivity and Potential Environmental Impact from Marginal Lands in China
	Zhang, Xun 1,2; Fu, Jingying 2,3; Lin, Gang 2; Jiang, Dong 2,3; Yan, Xiaoxi 2,3
刊名	ENERGIES
	2017-02-01
卷号	10 期号:2 页码:15
关键词	switchgrass bioethanol Environmental Policy Integrated Climate GIS (GEPIC) life cycle analysis (LCA) marginal land
ISSN号	1996-1073
DOI	10.3390/en10020260
通讯作者	Lin, Gang(ling@lreis.ac.cn)
英文摘要	Switchgrass displays an excellent potential to serve as a non-food bioenergy feedstock for bioethanol production in China due to its high potential yield on marginal lands. However, few studies have been conducted on the spatial distribution of switchgrass-based bioethanol production potential in China. This study created a land surface process model (Environmental Policy Integrated Climate GIS (Geographic Information System)-based (GEPIC) model) coupled with a life cycle analysis (LCA) to explore the spatial distribution of potential bioethanol production and present a comprehensive analysis of energy efficiency and environmental impacts throughout its whole life cycle. It provides a new approach to study the bioethanol productivity and potential environmental impact from marginal lands based on the high spatial resolution GIS data, and this applies not only to China, but also to other regions and to other types of energy plant. The results indicate that approximately 59 million ha of marginal land in China are suitable for planting switchgrass, and 22 million tons of ethanol can be produced from this land. Additionally, a potential net energy gain (NEG) of 1.75 x 10(6) million MJ will be achieved if all of the marginal land can be used in China, and Yunnan Province offers the most significant one that accounts for 35% of the total. Finally, this study obtained that the total environmental effect index of switchgrass-based bioethanol is the equivalent of a population of approximately 20,300, and a reduction in the global warming potential (GWP) is the most significant environmental impact.
资助项目	National Natural Science Foundation of China[41571509] ; National Natural Science Foundation of China[41601589] ; Chinese Academy of Sciences[ZDRW-ZS-2016-6-1]
WOS关键词	LIFE-CYCLE ASSESSMENT ; CROP WATER PRODUCTIVITY ; ETHANOL-PRODUCTION ; SWEET SORGHUM ; UNITED-STATES ; WHEAT YIELD ; BIOMASS ; ENERGY ; SUSTAINABILITY ; FEEDSTOCK
WOS研究方向	Energy & Fuels
语种	英语
出版者	MDPI AG
WOS记录号	WOS:000395469200114
资助机构	National Natural Science Foundation of China ; Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/64729]
专题	中国科学院地理科学与资源研究所
通讯作者	Lin, Gang
作者单位	1.Beijing Technol & Business Univ, Sch Comp & Informat Engn, Beijing Key Lab Big Data Technol Food Safety, 11 Fucheng Rd, Beijing 100048, Peoples R China 2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, 11A Datun Rd, Beijing 100101, Peoples R China 3.Univ Chinese Acad Sci, Coll Resource & Environm, 19A Yuquan Rd, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Xun,Fu, Jingying,Lin, Gang,et al. Switchgrass-Based Bioethanol Productivity and Potential Environmental Impact from Marginal Lands in China[J]. ENERGIES,2017,10(2):15.
APA	Zhang, Xun,Fu, Jingying,Lin, Gang,Jiang, Dong,&Yan, Xiaoxi.(2017).Switchgrass-Based Bioethanol Productivity and Potential Environmental Impact from Marginal Lands in China.ENERGIES,10(2),15.
MLA	Zhang, Xun,et al."Switchgrass-Based Bioethanol Productivity and Potential Environmental Impact from Marginal Lands in China".ENERGIES 10.2(2017):15.