Microbial immobilization on synthetic polymers for wastewater treatment

Inmovilización microbiana en polímeros sintéticos para el tratamiento de aguas residuales

Published 2016-12-31

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Vol. 14 No. 26 (2016)
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Artículo Original Producto de Investigación
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Microbial immobilization on synthetic polymers for wastewater treatment. (2016). NOVA, 14(26), 99-106. https://doi.org/10.22490/24629448.1755
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https://doi.org/10.22490/24629448.1755
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Wilmar Alirio Botello Suárez
Fundación Universitaria de San Gil
    Juan Camilo Ortiz Varón
      Sergio Andrés Peña Perea
        Show authors biography
        Objective. Evaluate the ability of microbial immobilization of several synthetic polymers, and establish its performance during the start-up and operation of a hybrid biological reactor (HBR), applied to domestic wastewater treatment. Methods. For evaluation we selected five polymers: polyethylene terephthalate (PET), polybutadiene (BD), polyurethane foam (PUF), expanded polystyrene (EPS) and polyethylene (PE). Materials with higher immobilization capacity (expressed as the number of colony forming units contained in one gram of material, CFUg -1 ) were added to a HBR, with operational volume of 10,4L, fed with synthetic wastewater. The efficiency of the system was established in terms of removal of organic matter contained in the effluent for 13 days of continuous operation. Results. Polymers showing the high immobilization capacity were: BD (2,2x107 CFUg -1) and PUF (4,6x107CFUg-1). The HBR, subjected to organic loading rate of 2.7 kg COD m -3 d -1, showed operational stability for the treatments evaluated, reaching a removal of organic matter of 78% and 94%, by using BD and PUF as immobilization supports, respectively.

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        27. DOI: http://dx.doi.org/10.22490/24629448.1755
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