光谱学与光谱分析, 2017, 37 (6): 1723, 网络出版: 2017-07-10   

可见-近红外光谱技术监测土壤石油烃污染研究进展

Review of Monitoring Petroleum-Hydrocarbon Contaminated Soils with Visible and Near-Infrared Spectroscopy
作者单位
1 后勤工程学院国防建筑规划与环境工程系, 重庆 401311
2 后勤工程学院军事油料应用与管理工程系, 重庆 401311
3 后勤工程学院军事工程管理系, 重庆 401311
摘要
石油和石油产品的泄漏可造成严重的土壤污染, 传统的土壤石油烃污染监测方法存在耗时长、 便携性差等问题, 难以满足大面积诊断土壤污染区域和数字化土壤制图的需求。 可见-近红外光谱技术具有快速、 便捷、 低成本和无污染等优势, 是土壤信息快速获取最有潜力的手段, 也是未来研究发展的趋势。 该技术目前在监测土壤性质领域已经取得了一定的成果, 但在监测土壤石油烃污染方面, 国内外的研究仍然处于起步阶段, 石油烃含量反演模型的实际应用仍然是难点, 而且针对现有的成果很少有人对其进行总结。 文章探讨了可见-近红外光谱监测土壤石油烃污染的可行性, 并归纳和总结了污染土壤的光谱敏感波段、 预测模型和光谱数据库三个方面近几年最新的研究进展, 分析了目前研究成果中存在的不足, 并对未来的研究方向进行了展望, 指出今后应加强多种类型土壤石油烃混合物样本、 通用的石油烃预测模型、 野外光谱测量实验和成像光谱技术等四方面研究, 以期为后续进行土壤石油烃污染的深入研究提供借鉴。
Abstract
The leaks of petroleum and petroleum products can cause serious soil pollution. Conventional methods for monitoring petroleum-hydrocarbon leaks are time-consuming and poor in portability, which is difficult to meet the requirements of diagnosing large-area soil pollution and digital soil mapping. Visible and near-infrared spectroscopy (Vis-NIRS) is a low-cost and non-destructive method that allows rapid and convenient measurements, which is the most potential means for rapid acquisition of soil information as the trend of future research and development. This technology has been widely uesd for decades to monitor soil properties. However, in the field of monitoring soil contaminated with petroleum-hyrdocarbons, the research is still in its infancy and the model of retrieving petroleum-hydrocarbon content is a difficult problem. In addition, the current research achievement has seldom been summarized. In the present paper, the author discussed the feasibility of the monitoring for soil-petroleum contamination with visible and near-infrared spectroscopy and summarized the latest research progress in spectral diagnostic bands, prediction models and spectral libraries of contaminated soils in recent years. Besides, the existing shortcomings are analyzed and future research direction is put forward. It is pointed out that in the future, strengthen four aspects research for several kinds of petroleum-hydrocarbon mixture samples, general petroleum-hydrocarbon prediction model, field spectral measurement experiment and imaging spectroscopy technology, so as to provide reference for further research on soil petroleum-hydrocarbon pollution.

陈志莉, 尹文琦, 刘洪涛, 刘强, 杨毅. 可见-近红外光谱技术监测土壤石油烃污染研究进展[J]. 光谱学与光谱分析, 2017, 37(6): 1723. CHEN Zhi-li, YIN Wen-qi, LIU Hong-tao, LIU Qiang, YANG Yi. Review of Monitoring Petroleum-Hydrocarbon Contaminated Soils with Visible and Near-Infrared Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2017, 37(6): 1723.

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