dissolved nutrient removal Articles
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The combined effects of carbon/nitrogen ratio, suspended biomass, hydraulic retention time and dissolved oxygen on nutrient removal in a laboratory-scale anaerobic–anoxic–oxic activated sludge biofilm reactor
The current trend in sustainable development deals mainly with environmental management. There is a need for economically affordable, advanced treatment methods for the proper treatment and management of domestic wastewater containing excess nutrients (such as nitrogen and phosphorus) which can cause eutrophication. The reduction of the excess nutrient content of wastewater by appropriate ...
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Southern Water Outlines Plans To Reduce Storm Overflow Usage
Utility company Southern Water has outlined its plans to reduce the use of storm overflows, as part of a two-year programme to expand both its engineering and nature-based solutions, with the aim being to stop and slow groundwater and surface water from reaching the sewerage system. The work will be focused on three of the supplier’s catchment areas: the Isle of Wight, Kent’s north ...
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Effect of sponge volume fraction on the performance of a novel fluidized bed bioreactor
A novel fluidized bed bioreactor (FBBR) was designed by integration of anaerobic granular activated carbon and aerobic sponge reactors. This FBBR was evaluated at different sponge volume fractions for treating a synthetic wastewater. Polyester urethane sponge with cube size of 1 × 1 × 1 cm and density of 28–30 kg/m3 with 90 cells per 25 mm was used as biomass carrier. The ...
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Integrating anaerobic processes into wastewater treatment
Over the past decade, the concept of anaerobic processes for the treatment of low temperature domestic wastewater has been introduced. This paper uses a developed wastewater flowsheet model and experimental data from several pilot scale studies to establish the impact of integrating anaerobic process into the wastewater flowsheet. The results demonstrate that, by integrating an expanded granular ...
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Influence of nutrient supplementation on DOC removal in drinking water biofilters
Analysis of the impacts of nitrogen, phosphorus and potassium supplementation on biofilter performance for organic carbon removal was studied on laboratory-scale biofilter columns. Three dual media biofilter columns were fed with synthetic raw water C:N:P ratios of 546:24:1, 100:10:1, and 25:5:1 (w/w) to simulate nutrient limited and two nutrient supplemented conditions, respectively. ...
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