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Effect of Deflocculant Addition on Energy Savings in Hydrotransport in the Lime Production Process

Author

Listed:
  • Beata Jaworska-Jóźwiak

    (Department of Management and Production Engineering, Kielce University of Technology, al. Tysiaclecia Panstwa Polskiego 7, 25-314 Kielce, Poland)

  • Marek Dziubiński

    (Department of Chemical Engineering, Lodz University of Technology, ul. Wolczanska 213, 90-924 Lodz, Poland)

Abstract

The subject of the research was limestone hydromixture consisting of particles of a mean size of 45.5 μm conveyed by water in a pipeline of a total length of 632 m. In the paper, the results of rheological measurements of tested hydromixtures after the application of deflocculant consisting of waste product from the lime production process in the form of mineral particles and commonly known dispersant were presented. Calculations of pressure drop including hydromixtures with volume concentrations in the range of 21.30–50.00%, and density ranging from 1140–1410 kg/m 3 in a pipeline of 200 mm diameter are presented. A decrease in friction losses in the flow in the pipeline of hydromixtures with different mass concentrations after the addition of deflocculant was observed. The study revealed that the addition of deflocculant resulted in a reduction of friction in the pipeline, enabling the pumping of hydromixtures with twice higher solids concentrations than originated from industrial installation, with a lower volumetric flow rate. This resulted in a decrease of the power consumption of the motor driving the pump, and obtained significant energy savings in the hydromixture transport process. The maximum energy saving achieved was equal to 58%.

Suggested Citation

  • Beata Jaworska-Jóźwiak & Marek Dziubiński, 2022. "Effect of Deflocculant Addition on Energy Savings in Hydrotransport in the Lime Production Process," Energies, MDPI, vol. 15(11), pages 1-12, May.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:11:p:3869-:d:822950
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