Search results for "Fish canning wastewater"

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Simultaneous nitritation-denitritation for the treatment of high-strength nitrogen in hypersaline wastewater by aerobic granular sludge

2015

Abstract Fish processing industries produce wastewater containing high amounts of salt, organic matter and nitrogen. Biological treatment of such wastewaters could be problematic due to inhibitory effects exerted by high salinity levels. In detail, high salt concentrations lead to the accumulation of nitrite due to the inhibition of nitrite-oxidizing bacteria. The feasibility of performing simultaneous nitritation and denitritation in the treatment of fish canning wastewater by aerobic granular sludge was evaluated, and simultaneous nitritation–denitritation was successfully sustained at salinities up to 50 gNaCl L −1 , with a yield of over 90%. The total nitrogen concentration in the efflu…

SalinityEnvironmental EngineeringNitrogen0208 environmental biotechnologyFish canning wastewater aerobic granular sludge organic particulate matter salinity simultaneous nitritation-denitritationHeterotrophchemistry.chemical_elementIndustrial Waste02 engineering and technologyFractionation010501 environmental sciencesWastewater01 natural sciencesWaste Disposal Fluidchemistry.chemical_compoundBioreactorsOrganic matterFood-Processing IndustryNitriteWaste Management and DisposalEffluent0105 earth and related environmental sciencesWater Science and TechnologyCivil and Structural Engineeringchemistry.chemical_classificationBiological Oxygen Demand AnalysisSewageSettore ICAR/03 - Ingegneria Sanitaria-AmbientaleEcological ModelingHeterotrophic ProcessesPollutionNitrogenAerobiosisCarbon020801 environmental engineeringSalinitychemistryWastewaterEnvironmental chemistryDenitrification

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