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Strategies for follow-up care and utilisation of closing and flooding in European hard coal mining areas

Klinger, C. ; Charmoille, A. ; Bueno, J. ; Gzyl, G. ; Súcar, B. Garzon

International journal of coal geology, 2012-01, Vol.89, p.51-61 [Periódico revisado por pares]

Oxford: Elsevier B.V

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  • Título:
    Strategies for follow-up care and utilisation of closing and flooding in European hard coal mining areas
  • Autor: Klinger, C. ; Charmoille, A. ; Bueno, J. ; Gzyl, G. ; Súcar, B. Garzon
  • Assuntos: Coal ; Coal mines ; Density ; Drinking water ; Earth Sciences ; Earth, ocean, space ; Engineering and environment geology. Geothermics ; Environmental Sciences ; Exact sciences and technology ; Flooding ; Gas transport ; Geothermal energy ; Hydrogeology ; Hydrology. Hydrogeology ; Mathematical models ; Mine closure ; Mines ; Mining ; Numerical modelling ; Optimization ; Pollution, environment geology ; Sciences of the Universe ; Sedimentary rocks
  • É parte de: International journal of coal geology, 2012-01, Vol.89, p.51-61
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: The already implemented or near end of mining in the European hard coal mining areas will cause the rise of the water table which had been kept down for mining activities, and will finally re-establish the contact with the groundwater layers near the surface. This flood water causes contaminations of groundwater used for drinking water and therefore calls for immediate action, because of the in part high salinity and concentration of mobilisation products from the oxidised rocks. On the other hand the long-term process offers new options for discharge optimisation and utilisation. The FLOMINET project carried out within the frame of the European RFCS program develops numerical models to forecast the impact of regional mine water rebound on mine, ground and surface water in interconnected underground hard coal mines. The research is also dedicated to the industrial utilisation of the rising mine water for renewable energy in form of electricity and geothermal heat. For this purpose numerical models have been enhanced in terms of density and temperature to become a practical planning tool for these activities. One additional application is the appraisal of gas reservoirs for methane gas extraction, the influence of the flooding process on such extraction, and the forecast of risks originating from mine gases dissolved in water after mine flooding. ► The Boxmodel forms a application orientated model tool for mine water related issues. ► The new geothermal pilot project realised in Asturias contributes to CO2 mitigation. ► Models developed allow to take account for CH4 adsorption and desorption on coal. ► The new optimisation software tool integrates post mining demands and cost efficiency. ► Long-term follow-up strategies require timely implementation during active mining.
  • Editor: Oxford: Elsevier B.V
  • Idioma: Inglês
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