Technical-economical aspects of a Humphrey´s spirals application to the energetic coal preparation
The preparation of brown energetic coal under 3-4 mm is still an actual problem due to the low efficiency of separation methods and high charges for this operation. The utilization of Humphrey´s spirals in the preparation of this kind of coal is determined by their separation efficiency and low inv...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Technical University of Kosice
1998-09-01
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Series: | Acta Montanistica Slovaca |
Subjects: | |
Online Access: | http://actamont.tuke.sk/pdf/1998/n3/35lukac.pdf |