基于介电特性检测土壤污染的研究进展

Research progress on soil pollution detection with dielectric properties

污染范围的圈定是污染治理的重要前提,为确保土壤污染现场调查工作高效、准确、经济开展,研究发现介电常数能很好地反应土壤污染情况。本文简要介绍了土壤介电特性的影响因素和检测技术,并结合国内外污染土壤介电特性的研究,对土壤介电特性数理模型进行归纳总结。利用介电特性检测土壤污染时,首先需正确区分是何种因素引起的参数异常。并且为提高土壤污染调查的准确度,可将现场介电特性检测技术与室内试验结合,做到定性定量分析。

The delineation of pollution range is an important prerequisite for pollution control.In order to ensure the high efficiency,accuracy and economic development of soil pollution field investigation,it is found that dielectric constant can reflect the situation of soil pollution very well.In this paper,the influencing factors and detection techniques of soil dielectric properties are briefly introduced,and the mathematical model of soil dielectric properties is summarized in combination with the study of dielectric properties of contaminated soils at home and abroad.When using dielectric properties to detect soil pollution,it is necessary to correctly distinguish what factors cause parameter anomalies.In order to improve the accuracy of soil pollution investigation,the field dielectric property detection technology can be combined with laboratory test to achieve qualitative and quantitative analysis.Analysis.