COPROCESSAMENTO DE RESÍDUOS INDUSTRIAIS EM FORNOS CLÍNQUER EM PLANTAS DE PRODUÇÃO DE CIMENTO PORTLAND

Abstract

The cement industry is characterized by a high cost of thermal energy in its production process. In order to reduce this consumption, aspects of energy management and the application of new technologies have been adopted. The use of pre-calciners has been widespread, where the thermal energy that would be discarded is reused through recirculation, thus increasing the temperature of the raw material before entering the oven. The use of alternative fuels, originating from industrial processes, has also been an alternative to reduce the consumption of fossil fuels and to reduce direct costs. final destination for this waste. The objective of this work is to present the main energy management techniques and the main conditions for coprocessing. Assessing the main difficulties of a final destination for industrial waste, we present some proposals for destination and the methodological for this combustion. For this, it is necessary to have a wide knowledge about the types of fuels, raw materials, types of furnaces, control of pollutant emissions, environmental legislation and safety standards, seeking to reach a better parameter of application of the technique to achieve sustainable development.