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Lookup NU author(s): Emeritus Professor Colin Jones, Dr John Lamont-Black
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Electrokinetic Ltd, a Newcastle University spin-out company, has developed electrically conductive geosynthetics (EKG) for civil engineering applications. To determine whether a process based on EK dewatering is suitable for treatment of diamond mine tailings as a precursor to transportation by conveyor, Electrokinetic Ltd and De Beers Consolidated Mines are working together in a two-phase study. In Phase 1 which was completed just recently, EK dewatering laboratory tests were conducted on tailings from the Kimberley, Orapa and Premier Mines in South Africa. Tests showed that the three tailings materials are suitable for electrokinetic dewatering. Phase 2, which is ongoing, is a full scale EK filter belt trial in Kimberley. Results show that EK dewatering of the sludge is possible either using an EK tube or insitu with electrically conductive wick drains (ePVDs).
Author(s): Jones C, Lamont-Black J
Publication type: Article
Publication status: Published
Journal: Ground Engineering
Year: 2006
Volume: 39
Issue: 9
Pages: 25-27
ISSN (print): 0017-4653
ISSN (electronic):
Publisher: Emap Construct Ltd.
