典型油类石油烃污染土壤风险评估对比分析

Comparative Analysis on Risk Assessment of Typical Oil and Petroleum Hydrocarbon Contaminated Soil

石油烃是组成极为复杂的混合烃类物质,不同碳链长度的石油烃毒性和物理化学性质差异较大,对石油烃污染土壤的健康风险和风险控制值的计算结果有较大影响;在导则推荐参数的基础上,设定评估模型,计算并对比分析了在相同条件下原油类、汽油类、柴油类和润滑油类四种典型油类污染土壤的风险计算结果和风险控制值的差异,旨在为相应类别石油烃污染土壤的风险评估提供参考。

Petroleum hydrocarbons are very complex mixed hydrocarbons.The toxicity and physicochemical properties of petroleum hydrocarbons with different carbon chain lengths vary greatly,which has a great impact on the health risks of petroleum hydrocarbon contaminated soil and the calculation results of risk control values;On the basis of the recommended parameters in the guidelines,this paper sets up an assessment model,calculates and compares the differences between the risk calculation results and risk control values of four typical oil contaminated soils:crude oil,gasoline,diesel oil and lubricating oil under the same conditions,in order to provide reference for the risk assessment of corresponding petroleum hydrocarbon contaminated soils.