Study on the Migration Mechanism of Typical Characteristic Pollutants in Coking Enterprises  

作　　者：Jun ZHOU Yan WANG Zhi CHEN Zhiqiang GONG Fan LI Ruihai DONG Ce ZHANG 

机构地区：[1]Tangshan International Tourism Island Branch of Tangshan Ecological Environment Bureau,Tangshan 063015,China [2]Hebei Key Laboratory of Geological Resources and Environment Monitoring and Protection,Hebei Geological Environmental Monitoring Institute,Shijiazhuang 052460,China

出　　处：《Meteorological and Environmental Research》2022年第3期86-90,共5页气象与环境研究（英文版）

基　　金：Supported by Hebei Natural Science Fund (D2021106004)。

摘　　要：Groundwater pollution in north China is serious, which is mostly caused by complex factors. Aiming at the problems such as the unknown reasons for the differences in the migration characteristics of typical characteristic pollutants in the same medium and the unknown migration rules of complex pollutants in soil and groundwater, this paper selected a single sample and a mixed sample of typical characteristic pollutants in coking enterprises to carry out the static adsorption test. The results showed that the distribution coefficients of benzene series and aromatic hydrocarbon pollutants in soil-water were K_(d)benzene >K_(d)toluene >K_(d)ethylbenzene >K_(d)pyrene >K_(d)anthracene >K_(d)naphthene, and the distribution coefficients of ammonia nitrogen, phenols and cyanogen were K_(d)ammonia nitrogen >K_(d)phenols >K_(d)cyanogen. The overall distribution coefficient of benzene series was higher than that of PAHs, and it was easier to be adsorbed by silty loam. Different carbon and hydrogen mass and even electron distribution of typical characteristic pollutants led to differences in the migration characteristics of benzene and aromatic pollutants. The more carbon and hydrogen there were, the more even the electron distribution was, and the more difficult it was to migrate in the soil. Among the same kind of pollutants, the migration of complex pollutants was weaker than that of single pollutants. The research could provide the parameter basis for establishing the solute transport model of groundwater and the design basis for developing the related risk control and pollution prevention strategies.

关 键 词：Coking enterprises Characteristic pollutants Migration law Distribution coefficient 

分 类 号：X784[环境科学与工程—环境工程]