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Dewatering of Sludge Through Vibratory Sieving

Author

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  • Dana-Claudia Farcas-Flamaropol

    (Faculty of Mechanical Engineering and Mechatronics, National Science and Technology University POLITEHNICA of Bucharest, 060042 Bucharest, Romania)

  • Radu Iatan

    (Faculty of Mechanical Engineering and Mechatronics, National Science and Technology University POLITEHNICA of Bucharest, 060042 Bucharest, Romania)

  • Petru Cardei

    (INMA Bucharest, 013813 Bucharest, Romania)

  • Ion Durbaca

    (Faculty of Mechanical Engineering and Mechatronics, National Science and Technology University POLITEHNICA of Bucharest, 060042 Bucharest, Romania)

  • Elena Surdu

    (Faculty of Mechanical Engineering and Mechatronics, National Science and Technology University POLITEHNICA of Bucharest, 060042 Bucharest, Romania)

  • Nicoleta Sporea

    (Faculty of Mechanical Engineering and Mechatronics, National Science and Technology University POLITEHNICA of Bucharest, 060042 Bucharest, Romania)

Abstract

The article describes the results obtained by the authors in sludge dewatering through new processes and evaluating their performance. The research is part of sustainable development by valorizing the sludge and agricultural waste in composite materials with applicability in the constructions from rural areas. The main method of sludge dewatering tested in this research is vibratory sieving dewatering. The experimental research examined three variable parameters: initial sludge moisture, sieve angle, and the engine speed causing sieve vibration. A three-factorial experiment was performed with four values for each of the three parameters considered, and the results were processed using descriptive and inferential statistics. Absolute and relative dewatering depend the most on the initial sludge moisture and sieve tilt angle. In conclusion, it was found that dewatering by vibrating sieving can achieve an almost double range of values for absolute performance, compared to pressing dewatering. However, the efficiency of dewatering by pressing is superior to dewatering by vibratory sieving. As a matter of absolute values, the two dewatering processes that were studied and described in this article perform below the values achieved by the classical processes: natural, thermal, and mechanical.

Suggested Citation

  • Dana-Claudia Farcas-Flamaropol & Radu Iatan & Petru Cardei & Ion Durbaca & Elena Surdu & Nicoleta Sporea, 2024. "Dewatering of Sludge Through Vibratory Sieving," Sustainability, MDPI, vol. 17(1), pages 1-16, December.
    • Handle: RePEc:gam:jsusta:v:17:y:2024:i:1:p:141-:d:1555015
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    References listed on IDEAS

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