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Integration of Photocatalytic Oxidation and Biodegradation Treatment Processes to Enhance Degradation Efficiency of CETP Wastewater Contaminants

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Abstract

In the present, experiment reported an emerging approach of integrated treatment processes such as photocatalytic oxidation and biodegradation to increase degradation efficiency of CETP wastewater. Photocatalytic oxidation process performed using hybrid photocatalyst Ti02 impregnated with activated carbon (AC) and biodegradation was performed by developed biofilm on biocarrier. Synthesized TiO2/AC powder was characterized by sophisticated instrumentation. A lab scale photocatalytic bioreactor was designed to remove pollutants from CETP effluent. In this setup, sample was treated with hybrid photocatalyst TiO2/AC under the sunlight and developed biofilm; sampling was done and analyzed. Our results show better degradation within 6 h because of generation of hydroxyl radical and superoxide species reacted with pollutants. This presented experiment shows the rapid degradation and increase removal efficiency of pollutants by using the integrated processes.

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Acknowledgments

The authors thank the Vapi Green Enviro Limited for their support for this work and also thank to The Central Instrumentation Facility (CIF) for characterization of synthesized photocatalyst. The Non NET fellowship provided UGC, Delhi.

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  1. School of Environment & Sustainable Development, Central University of Gujarat, Sector-30, Gandhinagar, Gujarat, 382030, India

    Apeksha Chavan & M. H. Fulekar

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  1. Apeksha Chavan
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  2. M. H. Fulekar
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Correspondence to M. H. Fulekar.

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Chavan, A., Fulekar, M.H. Integration of Photocatalytic Oxidation and Biodegradation Treatment Processes to Enhance Degradation Efficiency of CETP Wastewater Contaminants. BioNanoSci. 8, 761–768 (2018). https://doi.org/10.1007/s12668-018-0534-3

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