Utility planning for coal beneficiation

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Mots clés : Coal preparation;Coal beneficiation;Electric utility;Tailings;Environmental control;Geotechnical engineering
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Texte
Publication: CIM Bulletin
Auteur(s): WILLIAM M. BRYDEN, DONALD E. WAKEFIELD, SCOTT L. EWART
Mots clés: Mining Act, Ontario, Mineral development
Numéro: 865
Volume: 77
Année: 1984
Texte
Sommaire: The design, development, and verification of the Lovat 7.6-metre diameter full-face tunnel-boring machine is reviewed. Programmatic and technical challenges are outlined with a review of the specifications and the design to meet these requirements. Subsystem designs are presented for the waste material removal, ventilation, cutter head, structural support, advance technique, water removal, and interfaces with the Donkin-Morien Mine. The techniques used to verify that the design meets the...
Publication: CIM Bulletin
Auteur(s): J.A. HUNTER, R. LOVAT
Mots clés: Coal mining, Tunnel boring machines, Underground mining, Donkin-Morien project, Ventilation
Numéro: 865
Volume: 77
Année: 1984
Texte
Sommaire: The coals of the Sydney and Pictou coalfields are generally classed as high volatile "A " and medium volatile bituminous coals but there are significant differences within and even beyond this rank. These are related to the observation that the coalification in eastern Canada is essentially post-defor-mational, resulting in a general increase of rank with depth in individual seams.
Exploration drilling in the Sydney coalfield has shown that the rank increases offshore to M. V....
Publication: CIM Bulletin
Auteur(s): PETER A. HACQUEBARD
Mots clés: Coal mining, Coal rank, Sydney coalfield, Pictou coalfield, Coalification, Geology, Coking
Numéro: 865
Volume: 77
Année: 1984
Texte
Sommaire: Funding has been made available through the National Energy Program to build a mobile fine coal treatment plant. The plant is intended for field application and also to upgrade the existing pilot plant facilities.
Western Canadian coals with high proportions of fines (due to their friability) cause high losses of fine coal to the reject and in turn reduce the over-all recovery of saleable coal. Eastern Canadian coals with high amounts of sulphur often require crushing to fine sizes to...
Publication: CIM Bulletin
Auteur(s): M.W. MIKHAIL, R.J. MIKULA
Mots clés: Coal preparation, Mobile plant, Coal treatment, Beneficiation, Fine coal
Numéro: 865
Volume: 77
Année: 1984
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