Improving the efficiency of the tailings thickener in a coal preparation plant

international-mining-logoA customer had multiple coal types, that were processed through the preparation plant. Some of the coal types had different settling characteristics, which affected tailings thickener efficiency and the “clarometer” instrument that tested settling rates in the incoming feed well failed from time to time, which meant that the floccing rate changed and the suspended solids increased, decreasing the quality of the return water back to the prep plant. Hawk Measurement Systems solved the problem by providing a high powered three-crystal sonar transducer with automatic scum cleaning impact plate. (more…)

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