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:: KHD Gets Coal Flotation System Contract
KHD Humboldt Wedag AC has received an order to set up a new flotation system using its PNEUFLOT® flotation cells, which do not require agitator, at DSK's Westerholt mine's processing plant. The Westerholt mine produces coke and power-plant coal in two different systems with a total of 1,250 t/h. The new, single-stage PNEUFLOT® cell (operated with pressure-input air) will be designed as wash-water flotation system. Starting in March 2002 the unit will separate up to 600 mVh of raw pulp (0-0.5 mm) of a solids content of no more than approximately 50 g/1 from the two systems to a concentrate of less than 8% ash content and tailings with more than 75% ash content. KHD says that the consumption rate of flotation reagent (type EKOFOL 452 of EKOF Rotation GmbH) can be guaranteed to be approximately 20% less than when using comparable products from other suppliers. The decisive aspect for booking the order is said to be the favourable investment/operating cost and the proven high sharpness of cut. Identical arguments are said to have been the basis of another two orders booked in April and June 2001 for the construction of PNEUFLOT® systems in China for the coal mines Liuqiao and Zhujiadian. Both systems are of identical process-engineering design.
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