农田污染钝化修复环境影响定量评估方法与案例分析

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Abstract The environmental impact and carbon footprint of passivation remediation technology for polluted farmland in Nujiang Prefecture, Yunnan Province, were quantified using the life cycle assessment method. The results showed that the environmental impacts of passivation remediation technology were finally classified into human health, ecosystems, and resources, with global warming impact being the main environmental impact. In the entire passivation remediation process, the chemical production stage and the project implementation stage were the hot spots of carbon emissions, with carbon emissions of 2103and 2091t, respectively. Carbon emission per unit cubic meter of contaminated soil remediation was 87.80kg. The environmental impact single score of passivation remediation technology was 949.94kPt, suggesting low environmental impact. This paper quantitatively evaluated the environmental impact score and carbon emissions of farmland pollution passivation remediation technology to provide a data basis for comparing the environmental impact of different remediation technologies and to promote green and sustainable remediation development of farmland contaminated site.

Key words： green and low carbon remediation stabilized materials life cycle assessment carbon peaking and carbon neutrality

Received: 15 November 2022

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X53

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	Articles by authors
	Meng
	MENG Hao
	DONG Jing-qi
	ZHANG Hong-zhen
	ZHOU Tong
	WU Long-hua
	LI Xiang-lan

Cite this article:

Meng,MENG Hao,DONG Jing-qi等. Quantitative assessment methodology and case studies on environmental impacts of passivation remediation of agricultural land pollution[J]. CHINA ENVIRONMENTAL SCIENCECE, 2023, 43(7): 3571-3581.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2023/V43/I7/3571

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