Results 191 to 200 of about 1,651 (222)

Simultaneous nitrification and denitrification in wastewater treatment process

2023
The principle aim of this study was to gain an understanding of the conditions and processes governing the occurrence of simultaneous nitrification and denitrification (SND). SND is the process that combines nitrification and denitrification in the same reactor (at the same time) under fully aerobic conditions. From various studies, two main hypotheses,
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Biofilm stratification during simultaneous nitrification and denitrification (SND) at a biocathode

Bioresource Technology, 2011
The aeration of the cathode compartment of bioelectrochemical systems (BESs) was recently shown to promote simultaneous nitrification and denitrification (SND). This study investigates the cathodic metabolism under different operating conditions as well as the structural organization of the cathodic biofilm during SND.
Virdis, Bernardino, Read, Suzanne T., Rabaey, Korneel, Rozendal, Rene A., Yuan, Zhiguo, Keller, Jurg   +5 more
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Simultaneous Nitrification and Denitrification of Municipal Wastewater in Aerobic Membrane Bioreactors

Water Environment Research, 2008
Simultaneous nitrification–denitrification (SND) of municipal wastewater was investigated in a laboratory‐scale membrane bioreactor (MBR) operated at two different hydraulic retention times (HRTs), 0.5 and 1 day, dissolved oxygen 3.0 to 0.5 mg/L, and solids retention time (SRT) between 28 and 120 days.
Seung H, Baek, Krishna R, Pagilla
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Simultaneous nitrification, denitrification and carbon removal in microbial fuel cells

Water Research, 2010
Microbial fuel cells (MFCs) can use nitrate as a cathodic electron acceptor, allowing for simultaneous removal of carbon (at the anode) and nitrogen (at the cathode). In this study, we supplemented the cathodic process with in situ nitrification through specific aeration, and thus obtained simultaneous nitrification and denitrification (SND) in the one
Virdis, Bernardino, Rabaey, Korneel, Rozendal, Rene, Yuan, Zhiguo, Keller, Jurg   +4 more
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Simultaneous nitrification and denitrification in the activated sludge systems of continuous flow

Environmental Technology, 2017
This study has investigated the biological nitrogen removal by simultaneous nitrification and denitrification (SND) processes in a system of continuous flow activated sludge (AS) process. The investigation had four stages and evaluated the system behavior under different solid retention times (SRT), food-to-mass (F/M) ratios and dissolved oxygen (DO ...
Rodrigo F, Bueno, Roque P, Piveli, Fábio, Campos, Pedro A, Sobrinho   +3 more
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Simultaneous Nitrification and Denitrification (SymBio® Process)

2009
Simultaneous nitrification and denitrification (SND) is an attractive option for design engineers and scientists as it may offer significant advantages compared to conventional processes with separate nitrification and denitrification reactors. SND eliminates the need for a separate denitrification tank and mixed liquor recycle.
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Simultaneous Nitrification and Denitrification in an Hybrid Membrane Bioreactor

2014
no ...
Ruz, S., Zerari, K., Seyssiecq, I., Roche, Nicolas   +3 more
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Effects of biocarrier type and size on the performance of nitrification and simultaneous nitrification and denitrification

Journal of Environmental Chemical Engineering, 2023
Wen Shi, Zhe Tian, Yun Wang, Bo Yu, Ye Tian, Min Yang   +5 more
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Overlooked pathways of endogenous simultaneous nitrification and denitrification in anaerobic/aerobic/anoxic sequencing batch reactors with organic supplementation

Water Research, 2023
Fan Xing, Shuohui Shi, Xuejie He
exaly  

CONTROL OF SIMULTANEOUS NITRIFICATION–DENITRIFICATION

1985
R. Kayser, G. Ermel
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