Soviet Mining

, Volume 1, Issue 5, pp 550–555 | Cite as

Preparation of urgal coals

  • V. S. Kaminskii
  • M. S. Sokolova
Physical and Chemical Bases of Beneficiation
Received:

Summary

  1. 1.

    A 44% yield of coking concentrate with 8% ash can be obtained by preparing Urgal coals with 32–33% ash by a combined system including centrifugal separation. Preparation of these coals by the use of hydrocyclones+flotation give a concentrate with>11% ash with yield 37%, or a concentrate with 9.3% and yield 23% based on run-of-mine coal. If the centrifugal concentrate's ash content is brought to the level of the product obtained in hydrocyclones, the yield is increased to 48%.

     
  2. 2.

    The use of centrifugal preparation eliminates the need for individual extraction of coal seams in the Urgal coal field; after preparation, the total output of a pit can be used for coking plants, the middlings being used for power plants.

     

Keywords

Coal Seam Dense Medium Centrifugal Method Coke Coal Centrifugal Separation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Consultants Bureau 1966

Authors and Affiliations

  • V. S. Kaminskii
    • 1
  • M. S. Sokolova
    • 1
  1. 1.Institute of FuelsUSSR

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