Articles with "nitrification denitrification" as a keyword



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Simultaneous nitrification and denitrification in moving bed bioreactor and other biological systems

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Published in 2021 at "Bioprocess and Biosystems Engineering"

DOI: 10.1007/s00449-020-02475-6

Abstract: Moving bed bioreactor (MBBR), used for treatment of municipal and industrial wastewater, is a completely mixed attached growth type system that involves microorganisms which grow as biofilm on the surface of the suspended carriers within… read more here.

Keywords: denitrification moving; moving bed; bed bioreactor; nitrification denitrification ... See more keywords
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Intensified simultaneous nitrification and denitrification performance in integrated packed bed bioreactors using PHBV with different dosing methods

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Published in 2020 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-020-08290-6

Abstract: To explore an effective approach of simultaneous nitrification and denitrification in wastewater with low C/N ratios, integrated packed bed bioreactors based on poly(3-hydroxybutyrate-hydroxyvalerate) (PHBV) with different dosing methods were designed. The removal efficiency of NH… read more here.

Keywords: packed bed; integrated packed; bed bioreactors; phbv different ... See more keywords
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High efficiency of simultaneous nitrification, denitrification, and organics removal in the real-scale treatment of high C/N ratio food-processing wastewater using micro-aerobic reactors

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Published in 2022 at "Biochemical Engineering Journal"

DOI: 10.1016/j.bej.2021.108218

Abstract: Abstract Micro-aerobic reactors (MARs) play an important role in simultaneous nitrification, denitrification, and organics removal but are affected by the C/N ratio. In this study, high C/N ratio food-processing wastewater was treated using two-step MARs.… read more here.

Keywords: mar; nitrification denitrification; simultaneous nitrification; ratio ... See more keywords
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Nitrification/denitrification shaped the mercury-oxidizing microbial community for simultaneous Hg0 and NO removal.

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Published in 2019 at "Bioresource technology"

DOI: 10.1016/j.biortech.2018.11.069

Abstract: A denitrifying/nitrifying membrane biofilm reactor for simultaneous removal of Hg0 and NO was investigated. Hg0 and NO removal efficiency attained 94.5% and 86%, respectively. The mercury-oxidizing microbial community was significantly shaped by nitrification/denitrification after the… read more here.

Keywords: hg0 removal; hg0; denitrification; nitrification denitrification ... See more keywords
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Establishing simultaneous nitrification and denitrification under continuous aeration for the treatment of multi-electrolytes saline wastewater.

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Published in 2019 at "Bioresource technology"

DOI: 10.1016/j.biortech.2019.121529

Abstract: Simultaneous nitrification and denitrification (SND) was established under continuous aeration (6 mgO2 L-1) aiming at achieving a feasible and simple operational strategy for treating multi-electrolyte saline wastewaters. Two Structured Fixed-Bed Reactors (SFBR) were used to assess SND… read more here.

Keywords: nitrification denitrification; simultaneous nitrification; continuous aeration;
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Effects of 2,4,6-trichlorophenol on simultaneous nitrification and denitrification: Performance, possible degradation pathway and bacterial community structure.

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Published in 2019 at "Bioresource technology"

DOI: 10.1016/j.biortech.2019.121757

Abstract: This study aimed to investigate the effect of different 2,4,6-trichlorophenol (TCP) concentrations on the performance of simultaneous nitrification and denitrification processes established in a sequential batch biofilm reactor. And the degradation and the possible degradation… read more here.

Keywords: degradation; community; nitrification; nitrification denitrification ... See more keywords
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Short-term changes in simulated inundation frequency differentially affect inorganic nitrogen, nitrification, and denitrification in estuarine marshes

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Published in 2019 at "Ecological Indicators"

DOI: 10.1016/j.ecolind.2019.105571

Abstract: Abstract Given the possibility of short-term changes in hydrological patterns caused by climatic change, there is a need to assess the effects of inundation frequency on soil nitrogen cycling in estuarine wetland ecosystems. Here, we… read more here.

Keywords: short term; inundation frequency; nitrification denitrification; inundation ... See more keywords
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Effects of chloramphenicol on the bacterial community structure and simultaneous nitrification and denitrification performance in a sequencing biofilm batch reactor

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Published in 2021 at "Journal of water process engineering"

DOI: 10.1016/j.jwpe.2021.102095

Abstract: Abstract The effects of chloramphenicol (CAP) on the performance of simultaneous nitrification and denitrification (SND), as well as on the bacterial community, were evaluated in a sequencing biofilm batch reactor (SBBR). The chemical oxygen demand… read more here.

Keywords: performance; cap; bacterial community; nitrification denitrification ... See more keywords
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Microbial nitrification, denitrification and respiration in the leached cinnamon soil of the upper basin of Miyun Reservoir

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/srep42032

Abstract: Leached cinnamon soil is the main agricultural soil distributed in the North China Plain. In this research, leached cinnamon soil samples were collected in the upper basin of Miyun Reservoir (northeast of Beijing, China). The… read more here.

Keywords: soil; nitrification denitrification; denitrification respiration;
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Nitrification, denitrification, and related functional genes under elevated CO2: A meta‐analysis in terrestrial ecosystems

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Published in 2022 at "Global Change Biology"

DOI: 10.1111/gcb.16568

Abstract: Global change may have profound effects on soil nitrogen (N) cycling that can induce positive feedback to climate change through increased nitrous oxide (N2O) emissions mediated by nitrification and denitrification. We conducted a meta‐analysis of… read more here.

Keywords: meta analysis; nitrification denitrification; denitrification; functional genes ... See more keywords
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Simultaneous nitrification, denitrification, and phosphorus removal from municipal wastewater at low temperature.

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Published in 2022 at "Bioresource technology"

DOI: 10.2139/ssrn.4235904

Abstract: A lab-scale sequencing batch reactor was employed to study simultaneous nitrification, denitrification, and phosphorus removal (SNDPR) when treating municipal wastewater at 10℃ for 158 days. An anaerobic/aerobic configuration that had previously been effective when treating… read more here.

Keywords: nitrification denitrification; phosphorus; denitrification; municipal wastewater ... See more keywords