异位热解吸技术在有机污染土壤修复中的应用和发展

Development and Application of Ex-situ Thermal Desorption Technology in Organic Pollutants Contaminated Field Remediation

热解吸技术以其高效、快速、适应性强等特点,在国外污染场地的修复项目中得以广泛应用。我国虽然起步较晚,但近年来国内相关的研究工作与工程应用发展迅速。介绍了热解吸技术原理、适用范围、分类及影响因素,国外热解吸技术与装备的发展历程及产业化发展现状;分析了热解吸技术在国内发展及应用特点和自主研发的装备工程化应用的现状;总结了该技术在国内工程应用过程中暴露的技术瓶颈与产业化问题,并提出解决这些问题的方向与建议。

Thermal desorption technology is efficient,rapid and with strong adaptability for various pollutants and contaminated sites,and has been widely used in foreign remediation projects. Although this technology started late in China,the development of related researches and engineering applications is rapid. The principles,application scopes,classifications and influencing factors of thermal desorption technology were introduced. The development process of the technology and equipment as well as the industrialization status in foreign markets summarized. The development and application characteristics of this technology and the engineering application status of selfdeveloped equipment in China were analyzed,and the technical bottlenecks and industrialization barriers pointed out. The future development directions and some advices were given in order to solve the existing problems.