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Large-scale testing of coarse waste rock pumping
Luossavaara-Kiirunavaara AB.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.
2004 (English)In: Papers presented at Hydrotransport, 16th international conference / [ed] Nigel Heywood, Cranfield, UK: BHR Group Limited , 2004, p. 127-136Conference paper, Published paper (Refereed)
Abstract [en]

Transportation of about 0.4 Mtonnes of waste rock (-60 mm) and tailings (-4mm), with subsequent co-disposal, has been tested in a large-scale once-through pumping facility, with focus on energy efficiency, operational reliability, wear, disposal properties and environmental issues. The results showed that pumping of a mixture of tailings and waste rock may be an energy-efficient means of transportation. The pipeline friction losses (expressed in m of slurry) at solids concentrations by volume of 20 to 25% was about twice the corresponding water losses. The corresponding reduction factors in pump head and efficiency were in the range of 20 to 30%. Furthermore, the co-disposal method seems to produce a deposit with good properties in terms of stability and landscaping possibilities. The economic feasibility of a co-disposal system based on pumping will, however, be governed also by other factors, such as maintenance

Place, publisher, year, edition, pages
Cranfield, UK: BHR Group Limited , 2004. p. 127-136
National Category
Water Engineering
Research subject
Water Resources Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-27340Local ID: 0c1faca0-070b-11dd-97e0-000ea68e967bISBN: 1855980541 (print)OAI: oai:DiVA.org:ltu-27340DiVA, id: diva2:1000523
Conference
International Conference on Hydrotransport : 26/04/2004 - 28/04/2004
Note
Godkänd; 2004; 20080410 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Output format
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