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Analysis and characterization of ash-free coals from the Pechora coal basin obtained by organic solvent extraction |
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| Authors: | Burdelnaya N S Burtsev I N Bushnev D A Kuzmin D V Mokeev M V |
| Institution: | 1.Institute of Geology, Komi Science Center, Ural Branch, Russian Academy of Sciences, Syktyvkar, 167000, Russia ;2.Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg, 199004, Russia ; |
| Abstract: | Doklady Earth Sciences - The probability of obtaining of ash-free coal extracts, so-called “hyper-coals,” has been shown for coals of the Pechora basin for the first time. The ash... |
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