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The flotation technique allows to improve the thermal characteristics of carbons that have high mineral content. However, in this process, the absence of control of critical variables such as the dosage of flotation reagents (foaming and collector), caused by the discontinuity in the measurement of the material flowing to the classification equipment (flotation cells), generates losses of material and makes the carboniferous classification process inefficient. Therefore, this article describes the phases of the research that led to the optimization of flotation technique performance, from the acquisition of data through instrumentation and the automation and control of the critical variables mentioned above. It presents the design of an automatic system controlled by a PLC and a visual HMI environment that allows monitoring and controlling the variables involved in the process for an efficient dosing of reagents in the flotation process in a coal classification plant.

Automatización para dosificación de reactivos en clasificación de carbón