RESULTS OF APPLICATION OF SOME NON -TRADITIONAL RESTORATION METHODS ON NORTH BOHEMIAN MINES LOCATIONS

  • سال انتشار: 1387
  • محل انتشار: همایش ملی سوخت، انرژی و محیط زیست
  • کد COI اختصاصی: FEENC01_101
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 1925
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نویسندگان

Vladimir Cablik

VSB - Technical University of Ostrava

Michal Rehor

Brown Coal Research Institute, j.s.c. Most

Tomas Lang

Brown Coal Research Institute, j.s.c. Most

Peter Fecko

Brown Coal Research Institute, j.s.c. Most

چکیده

The North-Bohemian Basin area is known for its largest Czech brown coal deposit. About 50% brown coal reserves have been exploited in the North-Bohemian Basin by the mining company of Severoceske doly, a.s. (North Bohemian Mines, j.s.c.) today. The opencast mining of brown coal naturally led to vast landscape damages. Therefore reclamation work has acquired great significance. The specific feature of Severoceske doly, a.s. mining is the fact that the mining has been realized in two geologically absolutely different localities. This fact demands even rather different methods of reclamations. The main problem at Doly Bilina localities is the occurrence of overburden rocks from the series of rocks of coal seams. These rocks are texturally light but large amounts of coal (cca 5 %) and sulphur (cca below 3 %) which makes the soil reaction extremely acid. If they appear on the surface of the dump, they create a phytotoxic area, reclamation of which requires special methods. Rocks from Doly Nastup Tusimice localities are more suitable to reclamation use, but texturally extremely heavy rocks with large fraction of physical clays appear there that can generate a sterile soil area. Their reclamation requirements are completely different from those on Doly Bilina phytotoxic areas. That is the reason of the application of some non – traditional restoration methods. This report briefly summarises the experience in application of fertilizable soils, power plant stabilizer, power plant ash and aerial sowing of charlock. The results are documented by the monitoring of the physical, mineralogical and pedological parameters of rocks in testing areas.

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