Feature Identification and Development of Mining Water in Feicheng Basin
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Abstract:
Development and utilization of the unconventional water resources in the mine have important practical significance in improving ecological environment and saving water resources. In this paper, both Mann-Kendall and Spearman methods were applied to identify the variation characteristics of mining water inflow from 1982 to 2011 in the Feicheng Basin mining area, and the impact factors affecting mining gushing water were analyzed. The results showed that mining water inflow has a significant increasing trend, which is mainly affected by the hydrogeological conditions in the basin and is also correlated with coal mining yield and rainfall. The international water chemical analysis software, AquaChem5.1 was adopted to identify the characteristics of mining water quality, and the results showed that mining water has high hardness and sulfate content, which suggested that it is high-salinity and acid water. Based on the above analysis, the reasonable development and utilization mode of mining water was established to provide technical support for groundwater environment protection and sustainable utilization of water resources in the Feicheng Basin.
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