原位注入修复材料的迁移传输强化技术研究

Study on Material Migration and Transportation Strengthening Technology for In-situ Injection Remediation

原位注入修复技术具有低扰动、水土共治、二次污染小、成本较低的特点,在土壤地下水修复中有广泛的应用前景。通过对原位注入修复技术当下的发展现状进行系统总结,归纳了原位注入修复材料的分类、注入方式和迁移传输表征方法,分析了原位注入修复材料迁移传输的关键因素,针对性提出了相应的修复材料分散迁移强化对策和技术,并结合当前研究和技术发展现状对原位注入修复强化技术的发展进行了展望,以期为该技术的进一步改进和土壤地下水的原位修复实施提供参考。

In-situ injection remediation has the characteristics of low disturbance,soil and groundwater co-treatment,less secondary pollution and low cost,and possess broad application prospects in soil and groundwater remediation.This paper systematically presents the current development status of in-situ injection remediation technology.The classification of in-situ injected materials,injection modes,and characterization methods of materials migration and transportation are summarized,and the key factors affecting in-situ injected materials migration and transportation are analysed.Corresponding countermeasures and technologies to strengthen the dispersion and migration of remediation materials are put forward,and the development of in-situ injection remediation strengthening technology are prospected in combination with the current research and technological development status,in order to provide reference for the further improvement of this technology and the implementation of in-situ remediation of soil and groundwater.