business model coal plant ppt Welcome Coalmine Closure Companies International Appliions of Mine Water Model INNOVATION 10/22/2019 Slide 13 Research Development Ruhr area since 2002 Southern France, 2004 Ronneburger mining area since 1992 2005: density effects 2005: Oelsnitz Lothringer coal basin, 2004 Saarland since 2003 2006: Upper ...