基于SiteWise<sup>TM</sup>工具的污染场地修复环境足迹分析

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Abstract The SiteWise^TM tool was used to assess the environmental footprint of greenhouse gas emissions, energy consumption, water and power resource consumption, and air pollutant emissions systematically and quantitatively in the whole remediation process of one specific contaminated site producing chemical fertilizer in Hebei province, China. Results indicated that the remediation of 21,800m³ of contaminated soil resulted in the emission of 2616t CO₂-eq of greenhouse gases, and the consumption of 2.11×10¹⁴MJ of energy, 1.1×10⁵L of water, and 5.66×10⁴kW×h of electrical energy. Additionally, the remediation process led to the 1.58×10⁴kg air pollutants emission. Through the renewable energy scenario analysis that comes with the SiteWise^TM tool, we found that when renewable energy was incorporated into the remediation system to reduce carbon by 1%, the cost would increase by 7.58%. Uncertainty analysis results showed that within the 95% confidence interval, greenhouse gas emissions fluctuated in the range of 2194~3086t CO₂-eq, energy consumption fluctuated in the range of 1.45×10¹⁴~2.46×10¹⁴MJ, and relatively low uncertainty was found in this study.

Key words： room temperature desorption chemical oxidation organic contamination greenhouse gas carbon neutrality

Received: 07 June 2023

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X53

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	Articles by authors
	XIAO Meng
	LIU Rui-ping
	LI Xiang-lan
	ZHANG Hong-zhen
	XU Tie-bing
	TONG Xue-jiao
	JIA Yu-fu

Cite this article:

XIAO Meng,LIU Rui-ping,LI Xiang-lan等. Environmental footprint analysis of site remediation based on the SiteWise^TM[J]. CHINA ENVIRONMENTAL SCIENCECE, 2024, 44(1): 278-287.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2024/V44/I1/278

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