Comparative environmental and economic life cycle assessment of dry and wet anaerobic digestion for treating food waste and biogas digestate

doi:10.1016/j.jclepro.2022.130674

GIEC OpenIR

	Comparative environmental and economic life cycle assessment of dry and wet anaerobic digestion for treating food waste and biogas digestate
	Xiao, Huaping 1; Zhang, Dongqing 2; Tang, Zhihua 3; Li, Kai1 ; Guo, Huafang3 ; Niu, Xiaojun 1,2,4; Yi, Linzi 3
	2022-03-01
发表期刊	JOURNAL OF CLEANER PRODUCTION
ISSN	0959-6526
卷号	338 页码:14
通讯作者	Zhang, Dongqing(dqzhang3377@outlook.com) ; Tang, Zhihua(tangzh@ms.giec.ac.cn)
摘要	Anaerobic digestion (AD) has proven to be a promising option for food waste (FW) management, due to the significant potential of recovering energy from waste. In this study, the environmental and economic impacts of six scenarios for FW and biogas digestate management in Shenzhen, China, were evaluated using life cycle assessment (LCA) and life cycle cost (LCC) analysis. GaBi model was employed to perform LCA on the basis of CML 2001 methodology, while LCC analysis was conducted using net present value to evaluate the economic efficiency. Results showed that dry AD coupled with biogas digestate incineration not only exhibited the best net environmental benefits with the reduction of 195 kg CO2 per ton of FW, but also appeared to be the most economically feasible option with the lowest LCC (446.223 thousand CNY). With respect to the FW treatment technology, dry AD scenarios exhibited better environmental benefits associated with global warming, human toxicity, marine aquatic ecotoxicity and photochemical ozone creation potential, compared to those in wet AD. Regarding post treatment for biogas digestate, incineration appeared to be the best option compared to the landfill and compost. Moreover, sensitivity analysis indicated that dry AD coupled with biogas digestate incineration exhibited least vulnerable to the change in biogas production environmentally. The outcomes of this study will contribute to developing the optimal FW management strategy for mitigating the environmental and economic impacts in terms of both environmental and economic sustainability.
关键词	Food waste Biogas digestate Anaerobic digestion Life cycle assessment
DOI	10.1016/j.jclepro.2022.130674
关键词[WOS]	MANAGEMENT-SYSTEMS ; MODEL DEVELOPMENT ; ORGANIC FRACTION ; ENERGY RECOVERY ; TECHNOLOGIES ; OPTIMIZATION ; PERSPECTIVE ; EMISSIONS ; IMPACT ; SLUDGE
收录类别	SCI
语种	英语
资助项目	Natural Science Foundation of Guangdong Province[2017A030313239] ; Research Project of Sino-Singapore international Joint Research Institute ; National Key Research and Development Program of China[2019YFA0210400] ; Science and Technology Planning Project of Maoming, China[2019S002]
WOS研究方向	Science & Technology - Other Topics ; Engineering ; Environmental Sciences & Ecology
项目资助者	Natural Science Foundation of Guangdong Province ; Research Project of Sino-Singapore international Joint Research Institute ; National Key Research and Development Program of China ; Science and Technology Planning Project of Maoming, China
WOS类目	Green & Sustainable Science & Technology ; Engineering, Environmental ; Environmental Sciences
WOS记录号	WOS:000777263200004
出版者	ELSEVIER SCI LTD
引用统计	被引频次：38[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.giec.ac.cn/handle/344007/36189
专题	中国科学院广州能源研究所
通讯作者	Zhang, Dongqing; Tang, Zhihua
作者单位	1.South China Univ Technol, Sch Environm & Energy, Guangzhou 510006, Peoples R China 2.Guangdong Univ Petrochem Technol, Sch Environm Sci & Engn, Guangdong Prov Key Lab Petrochem Pollut Proc & Co, Maoming 525000, Peoples R China 3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Peoples R China 4.South China Univ Technol, Guangzhou Higher Educ Mega Ctr, Guangdong Prov Key Lab Atmospher Environm & Pollu, Guangzhou 510006, Peoples R China
推荐引用方式 GB/T 7714	Xiao, Huaping,Zhang, Dongqing,Tang, Zhihua,et al. Comparative environmental and economic life cycle assessment of dry and wet anaerobic digestion for treating food waste and biogas digestate[J]. JOURNAL OF CLEANER PRODUCTION,2022,338:14.
APA	Xiao, Huaping.,Zhang, Dongqing.,Tang, Zhihua.,Li, Kai.,Guo, Huafang.,...&Yi, Linzi.(2022).Comparative environmental and economic life cycle assessment of dry and wet anaerobic digestion for treating food waste and biogas digestate.JOURNAL OF CLEANER PRODUCTION,338,14.
MLA	Xiao, Huaping,et al."Comparative environmental and economic life cycle assessment of dry and wet anaerobic digestion for treating food waste and biogas digestate".JOURNAL OF CLEANER PRODUCTION 338(2022):14.