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The feasibility of transporting contaminated sediments as a slurry using centrifugal pumps
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.
2005 (English)In: Remediation of contaminated sediments--2005: proceedings of the Third International Conference on Remediation of Contaminated Sediments : January 24-27, 2005, New Orleans, Louisiana / [ed] R.F. Olfenbuttel; Patricia J. White, Columbus, Ohio: Battelle Press , 2005Conference paper (Refereed)
Abstract [en]

Pumping a simulated sediment slurry at a low water content has been investigated at the GIW Hydraulic Testing Laboratory in a 3 inch (0.075 m) diameter loop with a centrifugal pump with an auger-like inducer. The results and earlier reported data from the Laboratory indicate that viscous sediments characterized by yield stresses in the range of about 2 to 4 psf (100 to 200 Pa) can be pumped effectively with centrifugal pumps. With yield stresses of up to 4 psf (200 Pa), the pressure requirement to overcome pipe friction for pipeline diameters of 4 and 16 inch (0.1 and 0.4 m), may be 0.35 and 0.09 psi per ft ( 8 and 2 kPa per m) of pipeline, respectively. Several pumps in series are therefore required also for moderate transportation distances. The results indicate that centrifugal pumps can be a cost-effective alternative for handling and transportation of sediments at a low water content.

Place, publisher, year, edition, pages
Columbus, Ohio: Battelle Press , 2005.
Research subject
Water Resources Engineering
URN: urn:nbn:se:ltu:diva-34427Local ID: 8a139ca0-0ae2-11dc-9854-000ea68e967bOAI: diva2:1007678
International Conference on Remediation of Contaminated Sediments : 24/01/2005 - 27/01/2005
Godkänd; 2005; 20070525 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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