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20 Jan 2011 , Abstract: Radiotracer Residence Time Distribution (RTD) method was used to , Cement clinker is usually grounded using a ball mill

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Effect of grinding aids in the cement industry 1 EFFECT OF , Industrial Test: output increase and examination of the mill retention time (MRT) ,,,,,7 51

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A cement mill is the equipment used to grind the hard, nodular clinker from the cement kiln into the fine grey powder that is cement Most cement is currently ground in ball mills and also vertical roller mills , early cements had to be stored for several months to give the calcium oxide time to hydrate before it was fit for sale

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Optimization of continuous ball mills used for finish-grinding of cement by varying the L/D ratio, ball charge filling ratio, ball size and residence time on.

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