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Operating a zero-discharge mine waste disposal facility in northern B.C. : the Huckleberry Mines experience

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dc.contributor.author Johnson, Doug
dc.contributor.author Letient, Henri
dc.date.accessioned 2009-06-26T21:00:37Z
dc.date.available 2009-06-26T21:00:37Z
dc.date.issued 2001
dc.identifier.uri http://hdl.handle.net/2429/9712
dc.description.abstract The Huckleberry Copper Mine site is located in west central British Columbia, approximately 85 km southwest of Houston. The mine site is at an elevation of about 1050 m and experiences on average 1100mm of precipitation annually. Production from the open pit copper mine began in the fall of 1997. The ore zones are being mined by conventional open pit operations, with a projected total 11-year life according to the latest mine plan. The mill throughput is a nominal 21,000 tonnes per day. The TMF-2 facility provides storage for the mine waste generated by the Huckleberry Mines operations. The facility was commissioned in October 1997. TMF-2 provides not only storage for the tailings but also disposal and permanent submergence of potentially acid generating (PAG) waste rock. TMF-2 also provides the source of process water. Despite the wet climate, TMF-2 is presently operated as a zero-discharge facility and provides the main source of process water for the mill. Only about 150 m³/hr of fresh water is added at the mill for specific process requirements (i.e., less than 10% of the process water). It is not until the impoundment is expanded to the east in the later years of the operations that excess water may need to be discharged. All analyses to date have shown water quality in the pond will be suitable for discharge. This paper explains how the system was initially conceptualised, how it is operated and how it will be configured on closure. Water management aspects of the operations are highlighted. The mass/water balance is an essential operating tool for planning annual raises and predicted flooding levels. The presentation will explain how the mass balance is updated as production data arid site-specific climate information becomes available. en
dc.format.extent 923097 bytes
dc.format.mimetype application/pdf
dc.language.iso eng en
dc.relation.ispartofseries British Columbia Mine Reclamation Symposium 2001 en
dc.title Operating a zero-discharge mine waste disposal facility in northern B.C. : the Huckleberry Mines experience en
dc.type text en
dc.type.text conference Paper en
dc.description.affiliation Applied Science, Faculty of en
dc.description.reviewstatus en
dc.rights.copyright British Columbia Technical and Research Committee on Reclamation en

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