油田城市地表土壤石油污染特点及其防治对策

油田城市石油对土地的污染,不仅造成了石油资源的浪费,而且破坏生态环境、危害人类健康;分析了石油污染的特点,对油污土壤的防治措施进行了探讨,提出预防第一,治理第二的指导思想和净化土壤与原油回收同时进行的处理原则;在目前使用的物理、化学和生物三大类方法中,提倡利用生物技术治理油污土壤。

The measures of precaution-treatment for contaminated soil at oilfield ground

The oil pollution may be resulted from the production of crude oil and relevant activities. The pollution not only can cause resource waste, but also may destroy environment, and human health may be hazarded gradually. Therefore, precaution and treatment of contaminated soil have become one aspect of the environment protect. On the basis of realizing characteristics of contaminated soil, various precautionary measures and treatment methods, such as physical and chemical measures, especially biological technologies, are summarized detailedly. consequently, the basic thought is made sure definitely: precaution firstly and treatment secondly. Meanwhile, the treatment rule is put forward: clearing oily soil and oil recovery together. The biological technology is advocated to treat oily soil in various methods.