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Gravity separation of coal ore Download PDF Info Publication number US3261559A. US3261559A US129610A US12961061A US3261559A US 3261559 A US3261559 A US 3261559A US 129610 A US129610 A US 129610A US 12961061 A US12961061 A US 12961061A US 3261559 A US3261559 A US 3261559A Authority US United States Prior art keywords particles coal To participate in the 911Metallurgist Forums, be sure to JOIN & LOGIN Use Add New Topic to ask a New Question/Discussion about Gravity Separation/Concentration. OR Select a Topic that Interests you. Use Add Reply = to Reply/Participate in a Topic/Discussion (most frequent). Using Add Reply allows you to Attach Images or PDF files and provide a more complete input. Use Add Comment = to comment Most coal cleaning processes that are used to remove inorganic impurities from coal are based on the gravity separation of the coal from its associated gangue. ROM coal consists of some proportion of both coal and shale particles, already sufficiently liberated, together with coal particles with inclusions of gangue (i.e., bands of shale). Development of dry coal gravity separation techniques. To cite this article: W Mija and B Tora 2018 IOP Conf. Ser.: Mater. Sci. Eng. 427 012003. View the article online for updates and enhancements. The purpose of this paper is to provide details on the performance of the full-scale RC in the gravity separation of a coal and mineral matter feed in the size range of 0.25–2.0 mm. Historically In the present investigation, an attempt has been made to study the specific gravity of separation and the effect of time and size of particles on the specific gravity of separation in coat flotation. 2. Experimental The coal fines (- 0"5 mm) collected from an operating coal washery (coal I) were used. Underground Coal Gangue Separation Based on X-ray Detection Method; The selection of the Knelson gravity separation process should be based on the selection index and the requirements of the next process, to minimize the use of the pump, to facilitate operation, to facilitate automatic control, and to maximize economic benefits.
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