FIELD: coal mining, particularly to produce difficult-to-recover and depleted carbons.
SUBSTANCE: method involves heat-treating at least part of carbon formation by supplying heat generated by one or more heaters to heat at least part of carbon formation; producing fluid therefrom; producing at least part of refined coal from treated carbon formation.
EFFECT: possibility to increase coal part category, which results in coal part quality improvement and increased efficiency of coal bed development.
13 cl, 19 dwg, 1 tbl
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THERMAL EXPANSION ACCOMMODATION FOR SYSTEMS WITH CIRCULATING FLUID MEDIUM, USED FOR ROCKS THICKNESS HEATING | 2012 |
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MEHTOD FOR OBTAINING HYDROCARBONS FROM ROCK RICH IN ORGANIC COMPOUNDS | 2001 |
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Authors
Dates
2007-07-27—Published
2002-10-24—Filed