Article | REF: G1455 V1

Water pollution control - Energy recovery from sludge

Author: Jérôme GAY

Publication date: January 10, 2002

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2. Co-incineration in cement plants

2.1 Thermal process

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2.1.1 Cement manufacturing

Industrial cement production (figure 5 ) uses a variety of raw materials, essentially limestone and clay (cement raw meal). This raw material is finely ground, homogenized and preheated to 800°C by gases from the kiln. It arrives partially decarbonated in the rotary kiln, where it is heated to a high temperature (1,450°C). The resulting clinker...

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Co-incineration in cement plants
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