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Modeling of Washing Effectiveness in a High-Pressure Washing Device Obtained for Crushed-Stone and Gravel Aggregates

Author

Listed:
  • Daniel Saramak

    (Department of Environmental Engineering, AGH University of Science and Technology, 30-059 Cracow, Poland)

  • Jarosław Łagowski

    (HAVER & BOECKER Polska, 55-040 Bielany Wrocławskie, Poland)

  • Tomasz Gawenda

    (Department of Environmental Engineering, AGH University of Science and Technology, 30-059 Cracow, Poland)

  • Agnieszka Saramak

    (Department of Environmental Engineering, AGH University of Science and Technology, 30-059 Cracow, Poland)

  • Agata Stempkowska

    (Department of Environmental Engineering, AGH University of Science and Technology, 30-059 Cracow, Poland)

  • Dariusz Foszcz

    (Department of Environmental Engineering, AGH University of Science and Technology, 30-059 Cracow, Poland)

  • Tomasz Lubieniecki

    (HAVER & BOECKER Polska, 55-040 Bielany Wrocławskie, Poland)

  • Katarzyna Leśniak

    (Department of Environmental Engineering, AGH University of Science and Technology, 30-059 Cracow, Poland)

Abstract

This article concerns research on washing effectiveness of a high-pressure washing device. Three types of investigations were carried out: Laboratory tests on washing of crushed-stone and gravel aggregate, as well as pilot-scale tests on crushed-stone aggregate. Laboratory tests were conducted for four changeable parameters and pilot-scale investigations for three parameters. All tests were performed based on factorial experiment procedure. For each type of material there was built a model based on multiple regression method. Results of investigations showed that operating pressure in the washer has the highest effect on obtained washing effectiveness, measured as a degree of dust impurities’ removal from feed. The second parameter with the highest impact on washing process effectiveness was the maximum particle of feed, and its relationship to the obtained washing effectiveness appeared inversely proportional. For the crushed-stone aggregate the susceptibility of washing also appeared significant in models.

Suggested Citation

  • Daniel Saramak & Jarosław Łagowski & Tomasz Gawenda & Agnieszka Saramak & Agata Stempkowska & Dariusz Foszcz & Tomasz Lubieniecki & Katarzyna Leśniak, 2020. "Modeling of Washing Effectiveness in a High-Pressure Washing Device Obtained for Crushed-Stone and Gravel Aggregates," Resources, MDPI, vol. 9(10), pages 1-15, October.
    • Handle: RePEc:gam:jresou:v:9:y:2020:i:10:p:119-:d:423917
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    References listed on IDEAS

    as
    1. González-Corrochano, B. & Alonso-Azcárate, J. & Rodas, M., 2009. "Characterization of lightweight aggregates manufactured from washing aggregate sludge and fly ash," Resources, Conservation & Recycling, Elsevier, vol. 53(10), pages 571-581.
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