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Application of a 2 k–p Fractional Experimental Design in Coagulation-Flocculation Processes in the Treatment of Wastewater from a Slaughterhouse

Author

Listed:
  • Javier Carpintero

    (Department of Civil and Environmental, Universidad de la Costa, Calle 58 #55-66, Barranquilla 080002, Colombia)

  • Jennifer Villa-Dominguez

    (Department of Civil and Environmental, Universidad de la Costa, Calle 58 #55-66, Barranquilla 080002, Colombia)

  • María José Tavera-Quiroz

    (Department of Agroindustrial Engineering, Faculty of Engineering, DESINPA, Universidad de Sucre, Cra. 28 #5-267, Puerta Roja, Sincelejo 700001, Colombia)

  • Humberto Carlos Tavera-Quiroz

    (Departamento de Ingeniería Ambiental, Universidad de Córdoba, Cra. 6 #No. 77-305, Montería 230002, Colombia)

  • Bartosz Kaźmierczak

    (Department of Water Supply and Sewerage Systems, Faculty of Environmental Engineering, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland)

  • Jonathan Fábregas-Villegas

    (Grupo Interdisciplinario de Investigación en Mineralurgia, Energía y Medio Ambiente (GIIMA), Faculty of Engineering, Universidad Autónoma del Caribe, Barranquilla 080020, Colombia)

  • Fausto A. Canales

    (Department of Civil and Environmental, Universidad de la Costa, Calle 58 #55-66, Barranquilla 080002, Colombia)

Abstract

Determining the optimal dose of coagulant required to perform flocculation is critical in most water treatment plants’ planning and operation. This study implemented a 2 k–p fractional factorial design of experiments to identify the factors influencing the color decrease of wastewater from a slaughterhouse. The variables assessed were the velocity gradient, residence time, primary coagulant dosage, chlorine dosage, and coagulation adjuvant dosage. The results indicate that the primary coagulant dose and the velocity gradient significantly affect the samples’ color and that the other factors can be run at a low technical-economic level to start up the water treatment plant. The fractional factorial design allowed reducing the number of experimental points without affecting the minimum information required to identify which factors are significant in reducing the color of a wastewater sample.

Suggested Citation

  • Javier Carpintero & Jennifer Villa-Dominguez & María José Tavera-Quiroz & Humberto Carlos Tavera-Quiroz & Bartosz Kaźmierczak & Jonathan Fábregas-Villegas & Fausto A. Canales, 2022. "Application of a 2 k–p Fractional Experimental Design in Coagulation-Flocculation Processes in the Treatment of Wastewater from a Slaughterhouse," Sustainability, MDPI, vol. 14(16), pages 1-14, August.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:16:p:10402-:d:894090
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    References listed on IDEAS

    as
    1. Dae Wook Kim & Sung Il Yu & Kyuyong Im & Juhee Shin & Seung Gu Shin, 2022. "Responses of Coagulant Type, Dosage and Process Conditions to Phosphate Removal Efficiency from Anaerobic Sludge," IJERPH, MDPI, vol. 19(3), pages 1-9, February.
    2. D J Stewardson & R I Whitfield, 2004. "A demonstration of the utility of fractional experimental design for finding optimal genetic algorithm parameter settings," Journal of the Operational Research Society, Palgrave Macmillan;The OR Society, vol. 55(2), pages 132-138, February.
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