Mining Engineers' Handbook, Volume 2Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
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Halaman 7
... coal adheres are placed on special tables , where the coal is chipped loose by hand and returned to its table . PURE- COAL PRODUCT , cleaned coal from picking tables , may go direct to its pocket ; or , when there is no demand for lump ...
... coal adheres are placed on special tables , where the coal is chipped loose by hand and returned to its table . PURE- COAL PRODUCT , cleaned coal from picking tables , may go direct to its pocket ; or , when there is no demand for lump ...
Halaman 35-33
... coal in the exhausted air , which may be added to the stoker feed . 17. FLOTATION ( see also Sec 31 ) Flotation , as applied to coal , separates fine particles of coal , pyrite , shale , and clay , in a pulp , by means of air bubbles ...
... coal in the exhausted air , which may be added to the stoker feed . 17. FLOTATION ( see also Sec 31 ) Flotation , as applied to coal , separates fine particles of coal , pyrite , shale , and clay , in a pulp , by means of air bubbles ...
Halaman 35-39
... coal charged , but a basic coke has not yet been commercially produced . Coke tests . For this subject see Bibliography , 27 , 28 . Low - temperature distillation of coal . For many years much effort and money have been expended , both ...
... coal charged , but a basic coke has not yet been commercially produced . Coke tests . For this subject see Bibliography , 27 , 28 . Low - temperature distillation of coal . For many years much effort and money have been expended , both ...
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COMPRESSED | 15 |
Applications Definitions Data | 15-44 |
Accident Compensation Pensions | 16-1 |
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