Conference Proceedings
Seventh Mill Operators' Conference
Conference Proceedings
Seventh Mill Operators' Conference
Leinster Nickel Concentrator - Past, Present and Future
Since 1978, the nickel concentrator at Leinster has been subject to continuous change. In 1971 a significant nickel sulphide deposit was discovered on Leinster Downs Station, within three years the extent of the deposit was determined. In 1978 the Agnew Mining Company began production of nickel concentrate from the Perseverance Mine and continued to do so until production ceased in 1986. In 1988 WMC purchased the mothballed project and began the first phase of many expansion initiatives. Milestones in the life of Leinster have included:open cut mining of the Perseverance orebody and the discovery of the Rocky's Reward orebody, as well as the metallurgical challenges in treating each of these;underground mining at both Perseverance and Rocky's Reward;construction and commissioning of the WMC grinding and flotation circuits;variations in the reagent schemes, including the introduction of liquid' reagents;development of mill linings to reduce maintenance;circuit re-configuration and simplification;development of Harmony open cut;strategies for increasing throughput at the drier; andchanges to tailings facilities to cope with increased throughput. This paper outlines the steps which have been required to expand the Leinster Nickel Concentrator from 650 000 tpa to 2.5 Mtpa and those steps which will be required in the future.
Contributor(s):
C Fitzmaurice, K Stokes, E Wan
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- Published: 1999
- PDF Size: 0.308 Mb.
- Unique ID: P200006014