The relationship between fragmentation in mining and comminution circuit throughput

McKee D.J., Chitombo G.P. and Morrell S. (1995) The relationship between fragmentation in mining and comminution circuit throughput. Minerals Engineering, 8 11: 1265-1274. doi:10.1016/0892-6875(95)00094-7


Author McKee D.J.
Chitombo G.P.
Morrell S.
Title The relationship between fragmentation in mining and comminution circuit throughput
Journal name Minerals Engineering   Check publisher's open access policy
ISSN 0892-6875
Publication date 1995
Sub-type Article (original research)
DOI 10.1016/0892-6875(95)00094-7
Volume 8
Issue 11
Start page 1265
End page 1274
Total pages 10
Subject 1600 Chemistry
1909 Geotechnical Engineering and Engineering Geology
2207 Control and Systems Engineering
2210 Mechanical Engineering
1900 Earth and Planetary Sciences
1906 Geochemistry and Petrology
Abstract There is an increasing realisation that mining and mineral processing should be considered as linked activities, rather than as separate and unrelated activities. As an example of the new trend, the increasing dominance of autogenous and semi-autogenous grinding circuits in new operations is helping to focus attention on the linkage between fragmentation in mining and grinding circuit performance. The general mining rule is that coarse fragmentation is preferred within the constraint of limiting the amount of boulder size muck. Comminution circuits using fine crushing and rod and/or ball milling are largely insensitive to the size of muck produced in mining. However, AG/SAG grinding circuits are quite sensitive to the mix of fine and coarse material in the mill feed. This paper explores the relation between fragmentation size and grinding circuit tonnage by using simulation methods.
Keyword autogenous grinding
Blasting
comminution
fragmentation
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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