Life cycle environmental impact assessment of mixed alcohol via gasification of agricultural and forestry residues and catalytic synthesis

被引：0
|
作者：
Ye M. [1 ,2 ]
Tan F. [1 ]
Li Y. [1 ]
Liao Y. [1 ]
Wang C. [1 ]
Ma L. [1 ]
机构：
[1] Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou
[2] Nano Science and Technology Institute, University of Science and Technology of China, Suzhou
来源：
Huagong Xuebao/CIESC Journal | 2022年 / 73卷 / 03期
关键词：
Alcohol; Biomass; Environmental impact; Gasification; Life cycle assessment;
D O I：
10.11949/0438-1157.20211444
中图分类号：
学科分类号：
摘要：
The bio-mixed alcohol production process via biomass gasification and the followed catalytic conversion of syngas has the advantages of simple procedure, high yield and diverse utilization of alcohols as bioenergy or biochemicals. To ascertain its environmental performance such as resource consumption and emissions, the analysis and comparison of the impact was carried out for mixed alcohols from agricultural and forestry residues of corn stalk and wood chips via gasification and catalytic synthesis processes, following life cycle assessment frame (LCA) and midpoint impact method of ReCiPe2016. 9 environmental impact categories were considered such as global warming potential (GWP) and fossil resource scarcity potential (FDP). The main environmental impact for both alcohol systems was derived from agricultural and forestry stages. The potential environmental impact values of alcohols from corn stalk were higher than those from wood chips. And the ratios of ozone depletion potential (ODP), marine and freshwater eutrophication potential (MEP and FEP) and global warming potential (GWP) of the systems between mixed alcohol production from corn stalk and wood chips were above 9. The relatively high carbon content and high alcohol yield will benefit the decrease of resource consumption and environmental impact. Compared with petrochemical gasoline, the global warming and fossil energy consumption potential of the mixed alcohol of straw and wood chips are reduced by more than 40%. © 2022, Editorial Board of CIESC Journal. All right reserved.
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页码：1369 / 1378
页数：9
相关论文
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