Results 251 to 260 of about 9,570,884 (292)
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Performance of a Submerged Membrane Bioreactor System for Biological Nutrient Removal
Water Environment Research, 2006A pilot submerged membrane bioreactor coupled with biological nutrient removal was used to treat the primary effluent at a municipal wastewater treatment plant. Long‐term experiments were conducted by varying hydraulic retention time from 6 to 8 hours and solids retention time from 20 to 50 days, respectively. The performance was assessed by monitoring
Javier, Mouthon-Bello, Hondge, Zhou
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Statistical Analysis of the Performance of a Biological Nutrient‐Removal Plant
Water and Environment Journal, 2000AbstractThames Water operated a demonstration‐scale biological nutrient‐removal plant for two years to investigate the feasibility of retrofitting it into existing activated‐sludge plants. The plant was operated with and without the addition of short‐chain fatty acids to the anaerobic zone.
S. Williams +3 more
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Bioresource Technology, 2022
Biological nutrients removal performance affected by starvation stress was investigated via the addition of pre-anoxic stage to SBR. COD removal efficiency maintained at around 90% regardless of the starvation stress. Starvation stress presented significant impact on nitrogen and phosphorus removal, with noticeable reduction of TN removal and ...
Baolin, Hou +4 more
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Biological nutrients removal performance affected by starvation stress was investigated via the addition of pre-anoxic stage to SBR. COD removal efficiency maintained at around 90% regardless of the starvation stress. Starvation stress presented significant impact on nitrogen and phosphorus removal, with noticeable reduction of TN removal and ...
Baolin, Hou +4 more
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Environmental Science and Pollution Research, 2021
Recently, magnesia has drawn much attention for enhancing phosphorus (P) removal of constructed wetlands. However, the poor nitrogen (N) removal efficiency of magnesia-containing constructed wetlands (Mg-CWs) inherently caused by magnesia impedes its application. In this study, peat and intermittent aeration were applied to enhance N removal in a Mg-CW,
Yuru, Wang +5 more
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Recently, magnesia has drawn much attention for enhancing phosphorus (P) removal of constructed wetlands. However, the poor nitrogen (N) removal efficiency of magnesia-containing constructed wetlands (Mg-CWs) inherently caused by magnesia impedes its application. In this study, peat and intermittent aeration were applied to enhance N removal in a Mg-CW,
Yuru, Wang +5 more
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Water Environment Research, 2022
AbstractThe vermifiltration (VF) technology has gained significant attention as a green alternative for remediating domestic and industrial wastewater over the last few decades. Of late, the implementation of various modifications to the orthodox VF technology, including tweaks in the design and operation of the vermifilters, has been portrayed in the ...
Sanket Dey Chowdhury +2 more
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AbstractThe vermifiltration (VF) technology has gained significant attention as a green alternative for remediating domestic and industrial wastewater over the last few decades. Of late, the implementation of various modifications to the orthodox VF technology, including tweaks in the design and operation of the vermifilters, has been portrayed in the ...
Sanket Dey Chowdhury +2 more
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Water Environment Research, 2023
AbstractIn this study, we investigated the performance and elucidated the synergistic effects of microalgae–fungi symbionts co‐cultured with 10−7 and 10−9 mol L−1 of GR24 and supplemented with endophytic bacteria, multi‐walled carbon nanotubes (MWCNTs) or vitamin B12 (VB12), on nutrient removal and biogas upgrading.
Lixing Shu +3 more
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AbstractIn this study, we investigated the performance and elucidated the synergistic effects of microalgae–fungi symbionts co‐cultured with 10−7 and 10−9 mol L−1 of GR24 and supplemented with endophytic bacteria, multi‐walled carbon nanotubes (MWCNTs) or vitamin B12 (VB12), on nutrient removal and biogas upgrading.
Lixing Shu +3 more
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Desalination, 2002
In this paper the effect of different SRT on the performances of an ultrafiltration pilot MBR operating with real wastewaters was tested to analyse both the ability of the system to remove nutrients and micropollutants and the possible decrease in waste sludge production.
INNOCENTI L. +3 more
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In this paper the effect of different SRT on the performances of an ultrafiltration pilot MBR operating with real wastewaters was tested to analyse both the ability of the system to remove nutrients and micropollutants and the possible decrease in waste sludge production.
INNOCENTI L. +3 more
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Chemosphere, 2023
Polycyclic aromatic hydrocarbon (PAHs) are persistent organic pollutants and pose high risk in aquatic environment. The utilization of biochar is a strategy for PAHs-contaminated remediation but is challenging due to the adsorption saturation and reoccurrence of PAHs desorbed back into water. In this study, iron (Fe) and manganese (Mn) were provided as
Zizhang, Guo +5 more
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Polycyclic aromatic hydrocarbon (PAHs) are persistent organic pollutants and pose high risk in aquatic environment. The utilization of biochar is a strategy for PAHs-contaminated remediation but is challenging due to the adsorption saturation and reoccurrence of PAHs desorbed back into water. In this study, iron (Fe) and manganese (Mn) were provided as
Zizhang, Guo +5 more
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Performance of Pilot-scale Constructed Floating Wetlands in the Removal of Nutrients and Pesticides
Water Resources Management, 2021Aiming to evaluate the efficacy of constructed floating wetlands (CFW) in removing agrochemicals (nutrients and pesticides), a series of experiments were run continuously for a 16-week period in pilot-scale CFW systems to study the effect of two aquatic plant species (duckweed and water hyacinth) and climatic parameters.
George Pavlidis +6 more
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Effect of Aeration on Nutrient Removal Performance of Oxidation Ditch Systems
Environmental Engineering Science, 2005This paper evaluates the mechanism of nutrient removal in an oxidation ditch system using basic process stoichiometry and model simulation. Aeration intensity and the resulting dissolved oxygen concentration are identified as the main parameters defining the denitrification potential, and affecting the extent of nitrification/ denitrification processes,
Güçlü Insel, Nazik Artan, Derin Orhon
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