原位强化微生态修复石油污染土壤的应用研究

Application Research of Enhanced in-situ Micro-ecological Remediation for Oil Contaminated Soil

通过对中原石油污染土壤原位强化微生态修复方法的研究，利用强化原位微生物菌群，辅以物理和化学方法，种植首蓿草与调控土壤环境因子相结合的微生态技术，进行了土壤中石油的降解与修复应用。结果显示，土壤中平均石油含量在2898．25mg／kg时，经过99天强化原位微生态修复技术的修复，土壤中石油含量降为18．36mg／Kg降解可达99．37％，验证了原位强化微生态修复技术在中原地区土壤石油污染修复的有效性，探索了推广应用的可行性，具有较强的实用性。

The reduction of the oil content in soil contaminated by the exploitation of oil field in Zhongyuan District that was then recovered for use has been realized in this paper, through the enhanced in-situ micro-ecological remediation method that is micro-ecological remediation technique, by which the cultivation of alfalfa is combined with the regulation of soil environmental factors by means of the enhanced in-situ microbial communities companied with physical and chemical means. The experimental results showed that the oil contents in the contaminated soil with the average 2898.25 mg/kg can be reduced to about 99.37% after the in-situ micro-ecological remediation after the above mentioned recovery for 99 days, which demonstrated the effectiveness of the in-situ micro-ecological remediation methods for oil contaminated soil in this district, meanwhile, the practical and feasible application of these methods have been explored in this paper.