Abstract
The data presented in this article are related to the research article entitled “Multivariate analysis of trace elements leaching from coal and host rock” [1]. During coal mining, coal and host rock undergo water-rock interaction, leading to release of trace elements to surface and ground water. The batch experiments were designed and implemented to investigate the leaching behavior and mechanisms during the process of water-rock interaction. In different experimental sets, various types of leaching water, open/closed environments, temperature, and initial pH values were used to evaluate their impact on leaching of trace elements. These data could be used to analyze leaching mechanisms of trace elements from coal and host rock, and understand, predict, control trace elements’ contamination to surrounding waters.
Highlights
Data on trace element concentrations in coal and host rock and leaching product in different pH values and open/closed environments
The data presented in this article are related to the research article entitled “Multivariate analysis of trace elements leaching from coal and host rock” [1]
Multivariate analysis of trace elements leaching from coal and host rock, Groundwater for Sustainable Development., 8, 2019, 402e412 [1]
Summary
Geochemistry Environmental Geochemistry Tables ICP-AES (JY38S ICP-AES); ICP-MS (X-Series ICP-MS- Thermo Electron Co.) (Raw data: important environmental concern elements were tested) Solid samples for testing (coal and host rock) were digested. The data show leaching behavior of trace elements from coal and host rock, which can be used to investigate the environmental impact of coal mine water. The data show the impact of pH and open/closed conditions on leaching behavior, which can be used to analyze the leaching mechanisms of trace elements from coal and host rock. Selected coal and host rock samples were used in the leaching experiments, to simulate leaching behavior of the trace elements. In the coal and host rock leaching experiments, different conditions, including type of leaching water, initial pH values, open/closed environments, and temperature, were set
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