Laos open mine Pumping hard-wearing mine media in extreme conditions calls for a mega solution When the Sepon mine was having continuous problems with their submersible pumps, it was left to Grindex to prove to them that submersibles could do the job in hand. They just needed Grindex mega pumps, Grindex pontoons, and a flexible operating solution. Sepon Copper Mine is located in the Vilabouly district, in the remote southeast Savannakhet province of Laos. The mine has an annual production of around 80,000 tons of Grade A copper cathode. The copper is mined in a series of open pits using conventional drill and blast load and haul methods. A continuous submersible problem Sepon has a fleet of diesel-driven, self-priming centrifugal pumps to handle dewatering. Over the years they have also

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