ORIGINAL RESEARCH
Study on the Migration Rules of Sb in Antimony Ore Soil Based on HYDRUS-1D
Yao Zhang 1, 2  
,  
Bozhi Ren 1, 2  
,  
Andrew S Hursthouse 1, 3  
,  
Renjian Deng 1, 2  
,  
Baolin Hou 1, 2  
 
 
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1
Hunan Provincial Key Laboratory of Shale Gas Resource Exploitation, Xiangtan, China
2
School of Civil Engineering, Hunan University of Science and Technology, Xiangtan, China
3
School of Science and Sport, University of the West of Scotland, Paisley, United Kingdom
CORRESPONDING AUTHOR
Bozhi Ren   

Hunan Provincial Key Laboratory of Shale Gas Resource Exploitation, School of Civil Engineering, Hunan University of Science and Technology, 411201 Xiangtan, China
Online publish date: 2018-08-31
Publish date: 2018-12-20
Submission date: 2017-12-02
Final revision date: 2018-02-09
Acceptance date: 2018-02-12
 
Pol. J. Environ. Stud. 2019;28(2):965–972
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ABSTRACT
Since waste residues of antimony ores are piled in a disorderly way long-term, heavy metal elements of the residues are dissolved and precipitated under the eluviation effect of snow and rain, causing serious pollution to the surrounding soil. This paper takes the antimony ore of Hunan stannary as the research area, and the surrounding soil of the storage yard of antimony ores as the research object, and carries out research on the migration rules of Sb in the leachate of waste residues of antimony ores in soil by means of spot sampling, lab analysis, and test and simulation, and simulates the migration of Sb in the surrounding soil of mining areas. The results show that through the dynamic penetration experiment of indoor soil columns, the hydrodynamic dispersion coefficient (D = 2.485 cm2/h), adsorption distribution coefficient (Kd = 48.826 cm3/g), retardation factor (Rd = 78.50), and other parameters of Sb migrating in soil are obtained; the study makes use of the HYDRUS-1D model to conduct dynamic simulation of Sb in the soil nearby the antimony mine areas on the stannaries of Hunan Province, and the results indicate that the measured value is quite close to the fitted value, and in the correlation analysis of double variables, R is equal to 0.986, indicating that the simulation effect is fairly good. This study aims to provide a theoretical foundation and scientific basis for evaluating, controlling, curbing, and repairing the surrounding ecological environment of antimony mine areas.
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