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Dust Concrete Limestone

lime kiln dust mintek resources,lime kiln dust lkd is a byproduct of lime manufacturing. lime is created when high quality, natural deposits of limestone, or calcium carbonate caco3 is subjected to extreme heat. once crushed and sized, the limestone is fed into kilns where it is calcined, basically cooked, at temperatures as high as 2000 degrees fahrenheit..performance of concrete incorporating limestone dust as,three series of concrete mixtures were made. series i and ii with water-cement ratios of 0.70 and 0.53, respectively, consisted of mixtures incorporating 5, io, 15, and 20 percent limestone dust, whereas series iii with a water-cement ratio of 0.40 covered mixtures containing 10 and 20 percent dust. a control mix was also included in each series..

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