山东科学 ›› 2015, Vol. 28 ›› Issue (4): 58-64.doi: 10.3976/j.issn.1002-4026.2015.04.011

• 环境与生态 • 上一篇    下一篇

胜利油田石油污染土壤中重金属的形态分析

傅晓文1,陈贯虹1,迟建国1,邱维忠1,王加宁1*,崔兆杰2   

  1. 1.山东省科学院生物研究所,山东 济南 250014;2.山东大学环境科学与工程学院,山东 济南 250100
  • 收稿日期:2015-06-15 出版日期:2015-08-20 发布日期:2015-08-20
  • 通信作者: 王加宁 E-mail:wangjn@sdas.org
  • 作者简介:傅晓文(1984  ),男,博士,研究方向为环境监测与评价。
  • 基金资助:
    山东省科学院先导科技专项(2013);山东省环境瓶颈解析与突破项目(SDHBPJZB07)

Speciation analysis of heavy metals in oilpolluted soil of Shengli Oilfield

FU Xiaowen, CHEN Guanhong, CHI Jianguo, QIU Weizhong, WANG Jianing, CUI Zhaojie   

  1. 1.Biology Institute, Shandong Academy of Sciences, Jinan 250014, China; 2.School of Environmental Science and Engineering, Shandong University, Jinan 250100, China
  • Received:2015-06-15 Online:2015-08-20 Published:2015-08-20

摘要: 长期油田开发导致了胜利油田土壤环境的逐渐恶化,掌握伴随石油污染的土壤重金属累积和存在情况是弄清该地区土壤环境质量问题的关键之一。本文以胜利油田孤岛油区为研究区,通过改进的BCR连续提取法和DTPA提取法分别分析了土壤中4种重金属(Zn、Pb、Cd和Ni)的形态组成和有效态含量,指出研究区土壤中Zn和Cd具有较高活性和生物有效性,存在潜在污染风险。另一方面,通过分析不同年代开发的油井周围土壤中重金属的有效态含量,指出Cd和Ni的来源和形态分布可能受到了石油污染的影响。

关键词: 有效态, 重金属, 土壤, 形态分析, 油田

Abstract: Longterm crude oil exploitation has led to soil deterioration in Shengli Oilfield.Knowledge about accumulation and speciation of heavy metals in oilpolluted soil is the key to clear understanding of soil quality issue at this region.We analyze the speciation and content of 4 heavy metals (Zn, Pb, Cd and Ni) through modified BCR and DTPA extraction methods, taking the soil of Gudao oil region as an example.Results reveal that Zn and Cd have higher activity and bioavailability in the soil, so potential pollution risk exists.On the other hand, we discover that the source and speciation of Cd and Ni are probably affected by oil pollution in the soil by analysis of available form of heavy metals in well soil of different exploitation ages.

Key words: oil field, heavy metals, soil, speciation analysis, available form

中图分类号: 

  • X833