COAL REFINING AND PRODUCTION Russian patent published in 2007 - IPC E21B43/24 

Abstract RU 2303693 C2

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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RU 2 303 693 C2

Authors

Vinigar Kharold Dzh.

Vellington Skott Li.

Mejer Kevin Albert

Dates

2007-07-27Published

2002-10-24Filed