Abstract
Conditions for safe underground gasification of lignite in Poland
Highlights
Methods of lignite utilization by its gasification have been known for a long time and have been successfully applied during last decades, especially the underground gasification
Most of output in this method development comes from numerous studies and applications carried out in former Soviet Union countries
The research studies on using the underground gasification of lignite are carried out in Poland funded by the science grants and by KGHM Polska Miedź SA
Summary
Particular attention was paid to geotechnical problems encountered during lignite mining in Polish deposit conditions. Geotechnical protection of safe lignite utilization by its gasification involves many issues such as presence of underground water, predicted land subsidence and deformation, etc. Great importance is attached to surface facilities and buildings safety and to protection of urban areas
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