Browsing by Author "Igbodo, Benjamin"
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- Implementation of standard methods for parameters routinely monitored in wastewater treatment plants and application in bioaugmentation with mycolicibacterium sp. In granular sludge reactorsPublication . Igbodo, Benjamin; Costa, Maria Clara; Carliar, JorgeThe effective treatment of domestic wastewater is pivotal for the health and sanitation status of water resources and wastewater reclamation campaigns. Thus, this study was aimed at evaluating the performance of Aerobic granular Sludge (AGS) in the treatment of synthetic wastewater during a bacteria bioaugmentation (Mycolicibacterium spp strain) experiment using laboratory-scale Sequencing Batch Reactors (SBRs). The routine parameters evaluated using UV–visible spectrophotometry methods were Total Nitrogen (TN), ammonia nitrogen (NH3 - N), nitrate nitrogen (NO3 - –N), phosphate phosphorus (PO4 3- - P) and Chemical Oxygen Demand (COD), on samples from the influents and effluents of the SBRs. The routine parameters evaluated using UV–visible spectrophotometry methods were Total Nitrogen (TN), ammonia nitrogen (NH3 - N), nitrate nitrogen (NO3- – N), phosphate phosphorus (PO43- - P) and Chemical Oxygen Demand (COD), on samples from the influents and effluents of the SBRs. Nitrite nitrogen (NO2- - N) was evaluated by mass balance and pH was measured using a benchtop pH meter. The individual standard calibration curves for the parameters had regression coefficients > 0.995 and the LOD (for qualitative analysis) and LOQ (for quantitative analysis) values were compatible with the concentrations of the samples analyzed while the validation process (using reference materials) yielded relative accuracy > 94 %.