Sitewise<sup>TM</sup>和SEFA方法测算污染场地修复环境足迹对比

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Abstract In this study, the Sitewise^TM and SEFA tools were used to analyze environmental footprint of remediation activities of a contaminated site in a northern China city, and compared the methodology, input and output indicators, scope of application and suggestions for further development. The results showed relatively high consistency in simulation of greenhouse gas emissions and energy consumption, but there were still certain differences in the evaluation results of air pollutants including NO_x, SO_x and PM mainly due to the significant difference in the emission factors of the built-in databases. Both tools can identify the key remediation activities that cause environmental impact, and can also compare different remediation solutions at the same time. However, both tools have certain limitations:the evaluation of economic and social indicators is insufficient; there are no sensitivity analysis functions; the indicators and built-in database may not be applicable for certain real situations. It is suggested to research and develop a suitable environmental footprint tool for domestic practical use, so as to provide further support for carbon and environmental pollution reduction in remediation activities.

Key words： green and sustainable remediation carbon emissions secondary environmental impact low-carbon remediation assessment tools

Received: 27 February 2023

PACS:

X820.3

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	Articles by authors
	ZHOU You
	XIN Yi
	FENG Tong
	SANG Chun-hui
	XIAO Meng
	ZHANG Hong-zhen
	LI Xiang-lan
	YANG Xin-tong
	DONG Jing-qi

Cite this article:

ZHOU You,XIN Yi,FENG Tong等. Environmental footprint analysis of contaminated site remediation based on Sitewise^TM and SEFA methods[J]. CHINA ENVIRONMENTAL SCIENCECE, 2023, 43(10): 5339-5348.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2023/V43/I10/5339

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