异位化学淋洗修复石油类污染土壤中国环境修复网.PDF

( ) 北京大学学报 自然科学版 ,第 43 卷 ,第 6 期 ,2007 年 11 月 述 　评 Acta Scientiarum Naturalium Universitatis Pekinensis , Vol . 43 , No . 6 (Nov. 2007) R eview 异位化学淋洗修复石油类污染土壤 1) 籍国东 　周国辉 (北京大学环境工程系 ,水沙科学教育部重点实验室 ,北京 ,100871 ; 1) 通讯作者 ,jiguodong @iee . pku . edu . cn) 摘 　要 　对异位化学淋洗修复石油类污染土壤的新技术做了较为全面的概述 ,介绍了异位化学淋洗的工艺特性 , 着重评述了异位化学淋洗的作用机理 、淋洗试剂选配和影响因素 ,指出了异位化学淋洗修复石油类污染土壤时存 在的问题和技术难点 ,并对其研究和应用前景做了展望 。 关键词 　异位化学淋洗 ; 表面活性剂 ; 超声化学 ; 石油类污染物 ; 污染土壤修复 中图分类号 　X 53 Remediation of Soil Conta minated with Oil Pollutants by ExSitu Chemical Washing 1) J I Guodong 　ZHOU Guohui ( Dep artment of Environmental Engineering , Peking University , Key L aboratory of Water and Sediment Sciences , Ministry of Education , B eij ing , 100871 ; 1) Corresp onding A uthor , Email : j iguodong @iee. pku. edu. cn) Abstract 　Chemical washing applied to the remediation of soil contaminated with oil pollutants is a new technique developed in recent years. Application of exsitu chemical washing technology in remediation of soil contaminated with oil pollutants and the corresponding progress are described in detail . This paper focuses on characteristics of washing technology , mechanisms of chemical washing , selection of washing agent and influencing factor of washing efficiency. Problems and technical difficulties in remediation of oil contaminated soil by chemical washing and the prospect of further research and application are also presented. Key words 　exsitu chemical washing ; surfactant