摘要
为修复石油开采工艺过程中对环境土壤造成的污染,对植物修复土壤方法进行盆栽实验。采用紫花苜蓿和多花黑麦草两种植物,对油田固体污染物进行植物修复实验,并考察石油污染土壤的不同比例系数稀释对比和紫花苜蓿、多花黑麦草两种不同科类植物的修复效果。研究结果表明:紫花苜蓿、多花黑麦草对重金属的富集迁移效果明显,提高了生物可利用性,降低了土壤毒理性。
In order to repair the environmental soil pollution caused by petroleum exploitation,a pot experiment was carried out by phytoremediation method.Two kinds of plants,alfalfa and Italian ryegrass,were used to carry out the experiment of the solid pollutants in oil field,and the effects of different proportion of oil polluted soil and the two kinds of different plants were studied.The results showed that the average oil removal rate of alfalfa and ryegrass was about 60% and the enrichment and migration of heavy metals was obvious.The biological availability was improved.
出处
《油气田环境保护》
CAS
2015年第6期12-18,83-84,共7页
Environmental Protection of Oil & Gas Fields
