植物修复技术在土壤污染治理中的环保应用策略

Environmental protection application strategy of phytoremediation technology in soil pollution control

近年来,国内土壤重金属污染问题日益严重,为了更好地治理和预防这一问题的继续恶化,有关部门工作人员采用各种方法对污染土壤进行治理,其中以植物生态修复技术最为常见。土壤重金属污染植物修复技术具有绿色廉价、操作简单等优点,但是超积累植物往往生物量低、生长速度慢,现有的强化植物修复的物理化学等方法又存在修复成本高、环境风险大等缺点。因此,寻求环境友好的微生物强化植物修复方法,大大提高植物修复效率,具有重要的理论和实践意义。本文从植物生态修复概念入手,结合常见的生态修复技术,探讨了其在重金属污染土壤中的应用要点。

In recent years, the domestic soil heavy metal pollution problem has become increasingly serious. In order to better control and prevent the deterioration of this problem, the staff of the relevant departments have adopted various methods to control the contaminated soil, among which the plant ecological remediation technology is the most common. Phytoremediation technology for soil heavy metal pollution has the advantages of green, cheap and simple operation, but the over-accumulated plants tend to have low biomass and slow growth rate, and the existing physical and chemical methods for enhancing phytoremediation have disadvantages such as high cost of remediation and high environmental risk. Therefore, it is of great theoretical and practical significance to seek a microbial enhanced phytoremediation pathway that can greatly improve the efficiency of phytoremediation and is environmentally friendly. In this paper, the concept of plant ecological remediation combined with the common ecological remediation technology to discuss its application in heavy metal contaminated soil.