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...

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Bibliographic Details
Main Authors: Lukáè Jozef, Búgel Milan
Format: Article
Language:English
Published: Technical University of Kosice 1998-09-01
Series:Acta Montanistica Slovaca
Subjects:
Online Access:http://actamont.tuke.sk/pdf/1998/n3/35lukac.pdf