Abstract
There is growing concern regarding the inappropriate disposal of industrial wastes. The impossibility of adequately treating certain wastes and the desire to eliminate any environmental risk has led the industry to apply different techniques to meet these challenges. The use of waste coprocessing in cement furnaces as a substitute for a portion of the fuel can provide energy gains without changing the gas emissions and the quality of the produced clinker. This study aims to describe the effects of a mixture of wastes coprocessed in an industrial rotary kiln on cement properties. The leaching and solubilization tests proved that the analyzed elements presented in the cement are not transferred to the environment. The cement compressive strength tests conducted showed that coprocessed cement achieved the minimum values specified by the Brazilian Standard Association. © 2013 American Institute of Chemical Engineers Environ Prog, 33: 956–961, 2014
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