现代化工

现代化工 ›› 2020, Vol. 40 ›› Issue (5) : 23-27,31. DOI: 10.16606/j.cnki.issn0253-4320.2020.05.006

技术进展

超临界CO₂萃取修复污染土壤的发展与展望

冯超, 王瑜, 孔令镕, 岳昌盛, 王志乔, 姚德俊, 常腾腾

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Advances on supercritical CO₂ extraction for remediation of contaminated soil

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摘要

从超临界CO₂随着温度、压力的变化特征和国内外超临界CO₂萃取修复污染土壤技术等方面系统地分析了国内外超临界CO₂萃取修复技术的研究现状、超临界CO₂萃取修复技术的优缺点和适用性，展望了超临界CO₂萃取修复污染土壤技术发展趋势。

Abstract

This paper analyzes systematically worldwide research situation,advantages,disadvantages and applicability of supercritical CO₂ extraction soil remediation technology from the aspects such as the variation characters of supercritical CO₂ as the change of temperature and pressure,and the applications of supercritical CO₂ extraction technology in remediation of contaminated soil.Finally,the development trend of supercritical CO₂ extraction technology in soil remediation is expected.