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Characterization of implementation limits and identification of optimization strategies for sustainable water resource recovery through life cycle impact analysis
Pan, Yi-Rong; Wang, Xu; Ren, Zhiyong Jason; Hu, Chengzhi; Liu, Junxin; Butler, David
2019-12-01
Source PublicationENVIRONMENT INTERNATIONAL
ISSN0160-4120
Volume133Pages:-
AbstractHow we manage alternative freshwater resources to close the gap between water supply and demand is pivotal to the future of the environment and human well-being. Increased scarcity of water for agricultural irrigation in semi-arid and arid regions has resulted in a growing interest in water reuse practices. However, insight into the life cycle impacts and potential trade-offs of these emerging practices are still limited by the paucity of systematic evaluations of different water reuse implementations. In this study, a host of environmental and human health impacts at three implementation levels of allowing water reclamation for crop irrigation was comparatively evaluated across the operational landscape via a combination of scenario modelling, life-cycle impact analyses and Monte Carlo simulations. Net harvesting of reclaimed water for irrigation was found to be dependent upon the sophistication of the treatment processes, since multistage and complex configurations can cause greater direct water consumption during processing. Further, the direct benefits of water resource recovery can be essentially offset by indirect adverse impacts, such as mineral depletion, global warming, ozone depletion, ecotoxicity, and human health risks, which are associated with increased usage of energy and chemicals for rigorous removal of contaminants, such as heavy metals and contaminants of emerging concern. Nonetheless, expanded simulations suggest the significance of concurrently implementing energy recovery, nutrient recycling, and/or nature-based, chemical-free water technologies to reduce the magnitude of negative impacts from engineered water reclamation processes.
Department环境水质学国家重点实验室
KeywordResource recovery Wastewater reclamation Agricultural irrigation Life cycle impact analysis Optimization strategy Environmental sustainability
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/42629
Collection环境水质学国家重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Yangtze River Delta Branch, Yiwu 322000, Peoples R China
Recommended Citation
GB/T 7714
Pan, Yi-Rong,Wang, Xu,Ren, Zhiyong Jason,et al. Characterization of implementation limits and identification of optimization strategies for sustainable water resource recovery through life cycle impact analysis[J]. ENVIRONMENT INTERNATIONAL,2019,133:-.
APA Pan, Yi-Rong,Wang, Xu,Ren, Zhiyong Jason,Hu, Chengzhi,Liu, Junxin,&Butler, David.(2019).Characterization of implementation limits and identification of optimization strategies for sustainable water resource recovery through life cycle impact analysis.ENVIRONMENT INTERNATIONAL,133,-.
MLA Pan, Yi-Rong,et al."Characterization of implementation limits and identification of optimization strategies for sustainable water resource recovery through life cycle impact analysis".ENVIRONMENT INTERNATIONAL 133(2019):-.
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