MINIMIZATION OF CEMENT KILN DUST

Cement refers to the commodities that are produced by burning mixtures of limestone and other minerals or additives at high temperature in a rotary kiln, followed by cooling, finish mixing, and grinding. This is the manner in which the vast majority of commercially-important cementations materials are produced in the United States. Cements are used to chemically bind different materials together. The most commonly produced cement type is "Portland" cement, though other standard cement types are also produced on a limited basis. Cement plants produced 99.8 million metric tons of cement. Worldwide production accounted for about 2.5 billion metric tons. As with most large manufacturing industries, by-product materials are generated. These industrial by-product and waste materials must be managed responsibly to insure a clean and safe environment.

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