重金属污染土壤现状与修复技术研究进展

Present situation and remediation technology research progress for heavy metal contaminated soil

随着社会生产力的提高与城镇化进程的发展,环境污染问题也日益严重,其中重金属进入土壤中,毒性巨大且可随食物链富集,对土壤资源与动植物生长均有较大危害性。目前,已有物理、化学、生物多种技术手段对重金属污染土壤进行治理,进一步研究成本低、操作实施简单、次生污染小、符合污染土壤当地的种植习惯的修复技术,将是今后科研工作的重点与难点。

With the improvement of social productive forces and the development of urbanization processing, environmental pollu-tion is also growing, heavy metal have great toxicity and can be enriched with the food chains when heavy metal penetrate into the soil, so heavy metal is harmful for the soil resources as well as animal and plant growing. At present, there are a variety of technical means such as physical, chemical, biological control heavy metal contaminate soil. The key and difficulties of future scientific research are the In - depth study for the remediation technique that with low cost, simple operation, low secondary pollution, and meeting the contaminated soil local planting habits.