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Scheme of new technological classification of Polish low-rank coal
(Museu e Laboratório Mineralógico e Geológico, Faculdade de Ciências. Universidade do Porto, 2011-09-10)
Preliminary assessment of the usefulness of the Polish lignite in the gasification process according to its petrographic composition
The study has been conducted on the lignite samples from 12 currently exploited, perspective and abandoned Polish deposits. Lignite is common in the Polish Lowland and is derived from the Paleogene and Neogene. In order ...