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This paper describes the modelling and the control strategies of a drying process. The plant uses a co-current rotary dryer to evaporate moisture of a waste product generated by olive-oil mills, called alpeorujo or two phase cake. The paper shows the development of a model based upon first principles combined with experimental results. A control strategy has been tested under simulation based on H...
Experimental and theoretical investigations on drying of non-hygroscopic material were conducted in a rotary dryer with preheated air as the drying medium. The progress of the drying process was experimentally investigated batch wise and under continuous conditions for different temperatures and flow rates of the drying medium, rotational speed and inclination of the cylinder, and initial moisture...
Lime kilns are used as part of the chemical and energy recovery cycle in the pulp and paper industries. The control strategy is sensor based and uses in addition to the usual sensors, a single sided infrared mud moisture sensor and a CO and CO2 flue gas analyzer for optimizing the kiln temperature profile, maximizing throughput, regulating the product quality and conforming to environmental regulations...
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