重金属污染土壤修复技术及工程应用

Remediation Technology and Engineering Application of Heavy Metal Contaminated Soil

在以前粗放式管理的模式下,我国一些电镀、有色、钢铁以及化工等企业,在生产过程中排放了大量的废渣、废液以及废气,这些有毒物质对当地的土壤环境造成了十分严重的污染。其中,一些污染情况较严重的区域,土壤中的重金属含量已严重超标。而当前,在新时期背景下,还有生产企业在提高经济效益的同时,同样给土壤环境造成了较为严重的污染,因此,这就需要相关人员对此加强重视,并采取有效措施恢复健康的土壤环境。本文在分析了土壤中重金属污染源的形成和发展的基础上,对几种常用的土壤污染修复技术的原理、操作流程、适用性等进行了简要探讨。

In the previous extensive management mode, some of China’s electroplating, non-ferrous, steel and chemical enterprises,in the production process discharged a large number of waste residue, waste liquid and waste gas, these toxic substances to the local soil environment caused very serious pollution.Among them, some of the more polluted areas, the content of heavy metals in the soil has seriously exceeded the standard.At present, in the context of the new era, some production enterprises have also caused serious pollution to the soil environment while improving economic benefits. Therefore, relevant personnel need to pay more attention to this,and take effective measures to restore the healthy soil environment.Based on the analysis of the formation and development of heavy metal pollution sources in soil, the principle, operation process and applicability of several commonly used soil pollution remediation technologies are briefly discussed in this paper.