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Potash tails pile field test covers

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dc.contributor.author Haug, Moir D
dc.contributor.author Wong, L. C.
dc.contributor.author Reid, K. W.
dc.date.accessioned 2009-08-26T14:59:19Z
dc.date.available 2009-08-26T14:59:19Z
dc.date.issued 1991
dc.identifier.uri http://hdl.handle.net/2429/12562
dc.description.abstract A field test program was established to examine potential potash tails cover materials and investigate the requirements of such covers. Potash tails consist of soluble salts and a small percentage of insolubles. Precipitation falling on these tails dissolves the salt, creating a saturated liquid brine. Most of the brine generated is contained in ponds around the base of the pile, and periodically injected into deep underground formations. The use of covers to minimize brine generation is one method currently being examined as a decommissioning option. A preliminary three year laboratory program and review of potash cover experience was used as the basis for designing the field cover program. Two full scale 20m X 20m test covers have been constructed on an abandoned potash tails pile. One of the covers was constructed from glacial till overlying a coarse boulder capillary barrier. 1'he second was constructed from polymerized bentonite and sand. These covers are currently being monitored to evaluate their performance. en
dc.format.extent 780051 bytes
dc.format.mimetype application/pdf
dc.language.iso eng en
dc.relation.ispartofseries British Columbia Mine Reclamation Symposium 1991 en
dc.title Potash tails pile field test covers 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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