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Life-cycle assessment and techno-economic analysis of the production of wood vinegar from Eucommia stem: a case study

作     者:Ji-Lu Zheng Ya-Hong Zhu Yan-Yan Dong Ming-Qiang Zhu Ji-Lu Zheng;Ya-Hong Zhu;Yan-Yan Dong;Ming-Qiang Zhu

作者机构:College of ForestryNorthwest A&F UniversityYangling 712100China College of Mechanical and Electronic EngineeringNorthwest A&F UniversityYangling 712100China Institute of Environment and Sustainable Development in AgricultureChinese Academy of Agricultural SciencesBeijing 100081China 

出 版 物:《Frontiers of Chemical Science and Engineering》 (化学科学与工程前沿(英文版))

年 卷 期:2023年第17卷第8期

页      面:1109-1121页

核心收录:

学科分类:081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 0805[工学-材料科学与工程(可授工学、理学学位)] 0703[理学-化学] 0901[农学-作物学] 0822[工学-轻工技术与工程] 

基  金:The authors wish to express their gratitude for the financial supported by the National Key Research and Development Program of China(Grant No.2018YFE0127000) the Young Tip-top Talent Project of Science and Technology Innovation by State Forestry and Grassland Administration of China(Grant No.2019132616) the Agricultural Science and Technology Innovation Drive Project of Shaanxi Province(Grant Nos.NYKJ-2021-YLXN15,K3030821093) the Forestry Science and Technology Development Project by State Forestry and Grassland Administration of China(Grant No.KJZXZZ2019005). 

主  题:life-cycle assessment techno-economic analysis wood vinegar activated carbon Eucommia 

摘      要:This research undertook a case study of the life-cycle assessment and techno-economic analysis of the slow pyrolysis of Eucommia stem for the production of wood vinegar and activated carbon.The results showed that the production of one ton of wood vinegar via the slow pyrolysis of Eucommia stem show comparatively low global warming potential(2.37×10^(2) kg CO_(2) eq),primary energy demand(3.16×10^(3) MJ),acidification potential(2.19 kg SO2 eq),antimony depletion potential(3.86×10^(–4) kg antimony eq),and ozone depletion potential(7.46×10^(–6) kg CFC-11 eq)and was more environmentally friendly than the production of dilute acetic acid(12 wt%)via petrochemical routes.Meanwhile,the total capital investment,total product cost,and cash flowsheet were provided in the techno-economic analysis.Then,the net present value,internal rate of return,and dynamic payback period of the production process were evaluated.The findings indicated that while this production process is cost-effective,it might not be economically attractive or could generate investment risks.An increase in the added value of the wood vinegar and the activated carbon could remarkably improve the economic feasibility of this production process.

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