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土壤柱-关于石油污染物在土壤中的迁移模式的实验研究

Bo Zhang¹, Meiyi Feng², Chao Du³

¹School of Mining Engineering, Heilongjiang University of Science and Technology, Harbin, 150022, China.

Scientific reports

|May 1, 2024

概括

石油污染物在土壤中的迁移是有限的,大多数留在10厘米范围内. 与受干扰的土壤相比,不受干扰的土壤柱的迁移速度较慢,污染物含量较低.

科学领域:

环境科学环境科学
地质化学地质化学
土壤科学土壤科学

背景情况:

油田开采产生原油,废水和泥,导致土壤污染.
了解石油污染物迁移对于有效的环境修复至关重要.

研究的目的:

研究石油污染物在土壤中的迁移深度和特征.
为了比较扰乱与未被扰乱的土壤柱中的污染物行为.

主要方法:

使用原油和来自大庆地区的土壤进行土壤柱实验.
分析污染物成分 (和物,芳香碳化合物,树脂,青) 和它们的分布.
在受干扰和未受干扰的土壤样本中比较迁移速率和污染物含量.

主要成果:

观察到的最大污染物迁移深度为25厘米,大多数污染物集中在10厘米以上.
被扰乱的土壤柱显示出较高的污染物含量 (C12-C28) 和比未被扰乱的柱更快的迁移 (C12-C22).
芳香碳化合物含量随着深度的增加而增加,而轻成分则减少.

结论:

土壤结构显著影响石油污染物迁移,未被干扰的土壤表现出较慢的移动.
污染物组成因深度和土壤干扰而变化,影响迁移模式.
修复策略应考虑土壤结构和污染物成分特征,以获得最佳的有效性.

关键词:

芳香的碳化合物芳香的碳化合物达庆油田是大庆的一个油田.移民模式移民模式石油污染物的污染物土壤柱的土壤柱.没有被干扰的土壤.

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