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Determination of Waste Industrial Dust Safety Characteristics

Author

Listed:
  • Ivana Tureková

    (Department of Technology and Information Technologies, Constantine the Philosopher University in Nitra, Tr. A. Hlinku 1, 949 74 Nitra, Slovakia)

  • Eva Mračková

    (Department of Fire Protection, Technical University in Zvolen, Masaryka 24, 960 53 Zvolen, Slovakia)

  • Iveta Marková

    (Department of Fire Engineering, Faculty of Security Engineering, University of Žilina, Univerzitná 1, 010 26 Žilina, Slovakia)

Abstract

This article deals with the assessment of the hazards of dust waste generated by modern CNC (computer numerical control) technologies from the processing of resin-containing plastic composites. The change of the original material into dusty waste predicts the emergence of new hazardous characteristics such as flammability, explosiveness and adverse effects on employee health. The aim of this article is to determine the experimental measurement of dust particle size, its thermal degradation and safety characteristics. Sieve analysis showed that the representative sample contained a 93.8% weight of particles with a size of less than 0.4 mm. Three degrees of thermal degradation of industrial dust samples and heat production (exo reaction ∑ΔH = 9172.9 J/g) were determined by TG (thermogravimetry), DTA (differential thermal analysis) and DSC (differential scanning calorimetr) methods. The measurement safety characteristics such as the lower explosion limit, the maximum explosion pressure, the maximum pressure rise rate, and the calculated cubic constant confirmed that the dust is an explosive, and is determined as explosion class St1 (determined by Cubic constant).

Suggested Citation

  • Ivana Tureková & Eva Mračková & Iveta Marková, 2019. "Determination of Waste Industrial Dust Safety Characteristics," IJERPH, MDPI, vol. 16(12), pages 1-11, June.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:12:p:2103-:d:239687
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    References listed on IDEAS

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    1. Annette C. Rohr & Sharan L. Campleman & Christopher M. Long & Michael K. Peterson & Susan Weatherstone & Will Quick & Ari Lewis, 2015. "Potential Occupational Exposures and Health Risks Associated with Biomass-Based Power Generation," IJERPH, MDPI, vol. 12(7), pages 1-64, July.
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    Cited by:

    1. Linda Makovická Osvaldová & Iveta Marková & Miroslava Vandlíčková & Stanislava Gašpercová & Michal Titko, 2020. "Fire Characteristics of Upholstery Materials in Seats," IJERPH, MDPI, vol. 17(9), pages 1-12, May.

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