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Volume 2, Issue 4, August 2014, Page: 220-225
Evaluation of a MBBR (Moving Bed Biofilm Reactor) Pilot Plant for Treatment of Pulp and Paper Mill Wastewater
Daniel Vieira Minegatti de Oliveira, Environmental Engineer by UFV, M. Sc. in Technology in Environmental Sanitation and Water by COPPE/UFRJ, Doctoral Student at Departerment of Hydraulics and Sanitary Engineering, USP/SP. Technical Director at MMA Consultoria Ambiental, São Paulo, Brazil
Marcio Dias Rabelo, M. Sc. in Chemistry at Federal University of Viçosa, UFV, Viçosa – Brazil
Yuri Nascimento Nariyoshi, Chemical Engineer by UFES, Doctoral Student at Departerment of Chemical, USP/SP, São Paulo – Brazil
Received: Aug. 17, 2014;       Accepted: Sep. 2, 2014;       Published: Sep. 20, 2014
DOI: 10.11648/j.ijema.20140204.15      View  4119      Downloads  469
Abstract
Moving Bed Biofilm Reactor (MBBR) process is a technology for the wastewater treatment that incorporates the best characteristics of processes with growth of biomass in suspension and adhered biomass (biofilm). Therefore, it is possible to maintain a higher amount of biomass in the same biological reactor and thus add a larger amount of substrate for biodegradation. The main aim of this paper was to characterize the adhered biomass to the carriers and evaluate the operational parameters and performance of a pilot-scale MBBR for the treatment of a pulp and paper mill wastewater, after preliminary treatment, the primary decanting, the pH adjustment, addition of nutrients, cooling and, thermophilic conditions. The pilot plant was operated within the limits recommended by literature in relation the Volumetric and Superficial Organic loads (VOL and SOL), respectively of 4.3 kg solubleBOD m-3 d-1 and 43.8 g solubleBOD m-2 d-1, equal to the lower limit recommended considering the concentration of dissolved oxygen (DO) of 2 mg L-1 and carriers volume equal to 10% of the reactor volume. May be detached regarding the process performance that the removal efficiencies of Soluble Biochemical Oxygen Demand (solubleBOD) and Soluble Chemical Oxygen Demand (solubleCOD) obtained were respectively, 56 and 35%, and that process remained fairly stable under these conditions work and in no time during this study was observed clogging/fouling of carriers.
Keywords
Moving Bed Biofilm Reactor, Operational and Performance Evaluation, Pulp and Paper Wastewater
To cite this article
Daniel Vieira Minegatti de Oliveira, Marcio Dias Rabelo, Yuri Nascimento Nariyoshi, Evaluation of a MBBR (Moving Bed Biofilm Reactor) Pilot Plant for Treatment of Pulp and Paper Mill Wastewater, International Journal of Environmental Monitoring and Analysis. Vol. 2, No. 4, 2014, pp. 220-225. doi: 10.11648/j.ijema.20140204.15
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