Filling underground voids to prevent water hazards in active and decommissioned hard coal mines

Strozik, Grzegorz

doi:10.1201/9781003205906-27

Cited by 2 publications

(2 citation statements)

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“…Mine waters are also utilized for technological purposes within mining facilities. Water derived from dewatering is used for backfilling [32] and, in mineral processing plants, for fire protection and in tailings ponds [33].…”

Section: Introductionmentioning

confidence: 99%

Coal Mine Drainage as a Source of Drinking and Industrial Water—The Upper Silesian Coal Basin, Poland

Cień,

d’Obyrn,

Starczewska

et al. 2024

Energies

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Water is one of the most important resources found on Earth, essential for all forms of life. Both the quantity and quality of water resources are crucial for the health of the population and for economic sectors, making water a factor in determining a society’s standard of living. Mine water serves as an appealing source of both drinking and technological water. Regardless of the exploitation method, it must be pumped to the surface and, usually, treated to meet environmental standards. In most cases, it is discharged to rivers. In this article, we present a model of the use of mine water from three pumping stations of decommissioned coal mines in the Upper Silesian Coal Basin—Jan Kanty, Saturn, and Boże Dary. Water from these pumping stations is characterized by good qualitative and quantitative parameters. The results of the physico-chemical composition analyses carried out in the years 2012–2022 did not reveal any excessive amounts of toxic components or treatment difficulties. Given the long operational lifespan of these pumping stations and their existing water extraction infrastructure, they emerge as promising sources of both potable and industrial water supply, demanding minimal treatment efforts.

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Section: Introductionmentioning

confidence: 99%

Coal Mine Drainage as a Source of Drinking and Industrial Water—The Upper Silesian Coal Basin, Poland

Cień,

d’Obyrn,

Starczewska

et al. 2024

Energies

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“…The most commonly used types of fly ash are in the form of suspensions characterized by, among other things, bulk density in the range of 0.0120-0.0186 MN/m 3 , viscosity in the range of 0.006-0.125 Pa s, fluidity in the range of 8-35, and compressive strength after solidification up to 3 MPa (Mazurkiewicz 1990;Mazurkiewicz et al 1997). In the case of filling voids at a low depth, the compressive strength of the sealing mixture after twenty-eight days should be from 3 to 7 MPa, in some cases even 15 MPa, depending on the type of objects on the ground surface (Strozik 2015). The solidified emulsion formed from fly ash with hydraulic properties resembles cohesive rocks.…”

Section: Introductionmentioning

confidence: 99%

An assessment of the impact of the degree of the filling of shallow voids on the possibility

2023

Gospodarka Surowcami Mineralnymi - Mineral Resources Management

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Filling underground voids to prevent water hazards in active and decommissioned hard coal mines

Cited by 2 publications

References 1 publication

Coal Mine Drainage as a Source of Drinking and Industrial Water—The Upper Silesian Coal Basin, Poland

Coal Mine Drainage as a Source of Drinking and Industrial Water—The Upper Silesian Coal Basin, Poland

An assessment of the impact of the degree of the filling of shallow voids on the possibility

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