Inicio > Term: air cleaning
air cleaning
A coal-cleaning method that utilizes air to remove the dust and waste from coal. Air cleaning requires that the coal contain less than 5% of surface moisture as a rule. It is effective only in the coarse sizes (plus 10 to 28 mesh) and is best suited to coals having a sharply defined line between coal and refuse material. Predrying to reduce the moisture content of the coal ahead of the air treatment is not uncommon. It is a less expensive and also a less accurate method of cleaning coal than the wet-cleaning method.
- Parte del discurso: noun
- Industria/ámbito: Minería
- Categoría: Minería general; Mineral mining
- Government Agency: USBM
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Creador
- ed.young
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(Milwaukee, United States)