publication . Contribution for newspaper or weekly magazine . 2007

Pumping evaluations with paste tailings thickened close to the surface disposal area

Wennberg, Thord; Sellgren, Anders;
Open Access English
  • Published: 01 Jan 2007
  • Publisher: South African Institute of Mining and Metallurgy
Abstract
An elevated location of a paste thickener on a ridge close to the disposal area is considered at a Swedish iron ore mine. About 0.7 Mtonnes of thickened tailings are planned to be layered as paste in the vicinity of the thickener over several years with pipeline lengths of up to 900 m after about 20 years. In order to clarify the pipeline pumping characteristics of the tailings product for volumetric solids concentration from 40 to 50%, experiments in loop systems with pipeline inner diameters from 0.063 to 0.152 m have been carried out with various types of pumps. The results and comparisons carried out here showed that the performance of centrifugal pumps cann...
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Publikationer Luleå Tekniska Universitet
Contribution for newspaper or weekly magazine . 2007
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