Characteristics and fate of organic nitrogen in municipal biological nutrient removal wastewater treatment plants

Czerwionka, Krzysztof; Mąkinia, Jacek; Pagilla, Krishna; Stensel, H. David

doi:10.1016/j.watres.2012.01.020

Cited by 65 publications

(34 citation statements)

References 16 publications

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“…TN was determined by a TOC analyzer (TOC-V CSH ) coupled with a TN module (TNM-1) (SHIMADZU Corporation). The procedure of measuring TN concentration was described in the previous paper (Czerwionka et al 2012). The concentrations of MLSS and MLVSS were measured by the gravimetric method according to the Polish Standards (PN-72/C-04559).…”

Section: Methodsmentioning

confidence: 99%

Acclimation of denitrifying activated sludge to a single vs. complex external carbon source during a start-up of sequencing batch reactors treating ammonium-rich anaerobic sludge digester liquors

et al. 2014

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In this study, denitrification of ammonium-reach anaerobic sludge digester liquor was investigated during start-up periods of two laboratory-scale "fill-and-draw" reactors. One reactor was fed with a single carbon source (ethanol), whereas the other reactor was fed with a complex carbon source (fusel oil). During two acclimation experiments, the structure of microbial community involved in denitrification was analyzed using 16S rDNA polymerase chain reaction-denaturing gradient gel electrophoresis fingerprints and fluorescent in situ hybridization. The characteristics of the mixed liquor were additionally supported by regular measurements of nitrate uptake rates. The addition of fusel oil and ethanol resulted in a significant enhancement of the denitrification rate and efficiency combined with the increasing volumetric addition of sludge digester liquor up to 15 % of the reactor volume. The microbiological analyses revealed that the addition of sludge digester liquor as well as both external carbon sources (fusel oil and ethanol) did not affect the structure of microbial communities in a severe way. In both reactors, Curvibacter sp. and Azoarcus sp. were found as the most abundant representatives of denitrifiers.

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Section: Methodsmentioning

confidence: 99%

Acclimation of denitrifying activated sludge to a single vs. complex external carbon source during a start-up of sequencing batch reactors treating ammonium-rich anaerobic sludge digester liquors

et al. 2014

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“…as cells that grow on the culture vessel or as settling of organic matterdor is lost to the air through ammonia-stripping. The lower proportion of N incorporated in the biomass in 100% SL compared to the other cultures may be due to inhibition of bacterial transformation of colloidal organic nitrogen (CON) to dissolved organic nitrogen (DON) by the high NH 4 eN concentration (Czerwionka et al, 2012;Gupta, 1985).…”

Section: Nutrient Removalmentioning

confidence: 99%

Biomass production and nutrient removal by Chlorella sp. as affected by sludge liquor concentration

Åkerström

Mortensen

Rusten³

et al. 2014

Journal of Environmental Management

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“…The wastewater effluent can be an important source of anthropogenic nitrogen to aquatic environments and possesses undesirable influences over the water quality, particularly in effluent-dominated waters (Pagillaet al 2008, Bronk et al 2010, Liu et al 2012.In order to minimize the eutrophication with the aquatic environment, biological enhanced nitrogen removal (BENR) operations that eliminate the majority of the dissolved inorganic nitrogen tend to be regularly used within wastewater treatment (Czerwionka et al 2012). Because of successful of BENR processing, the most important part of the remaining nitrogen within effluent released to the responsive environments is made of dissolved organic nitrogen (DON) (Pagilla et al 2006, Liu et al 2012.…”

Section: Introductionmentioning

confidence: 99%

“…Earlier investigations on wastewater-derived DON focused on two questionable problems; where DON is eliminated or even created in BENR processes and what exactly is the influence of BENR process on DON (Czerwionka et al 2012,Simsek et al 2013, Huo, et al, 2013. Sattayatewa et al (2009) reported that around 28-57% of the effluent DON was bioavailable or biodegradable, Simsek and his colleague (2013) determined biodegradable dissolved organic nitrogen (BDON) and bioavailable dissolved organic nitrogen(ABDON) in activated sludge (AS) and trickling filter (TF)wastewater treatment processes.…”

Section: Introductionmentioning

confidence: 99%

“…Understanding the behavior of DON across the biological processes inside the WWTPs plays important role in realizing the function of treatment units in the particular elimination of DON. Even so, present data around the qualities of DON in BNR WWTPs continue to be constrained and inadequate to know the future or alterations of DON over the activated sludge process (Czerwionka et al 2012).…”

Section: Introductionmentioning

confidence: 99%

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Determination of the Fate of Dissolved Organic Nitrogen in the Three Wastewater Treatment Plants, Jordan

Wedyan

Harahsheh²,

Qnaisb³

2016

INT J ENV SCI ED

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This research aimed to assess the composition of total dissolved nitrogen (TDN) species, particularly dissolved organic nitrogen (DON), over the traditional wastewater treatment operations in three biological nutrient removal (BNR) wastewater treatment plants (WWTPs) in Jordan. It had been found that the DON percentage was up to 30% of TDN within the effluent plant;which restricted the plant's ability to eliminate nitrogen to minimal amounts. Effluent DON levels from the three plants varied from 11.7 to 34.8 mg N/L and would not fluctuate substantially, even if there seemed to be a substantial difference inside influent organic nitrogen levels. The main transforming of DON and biodegradable dissolved organic nitrogen (BDON( along the treatment train had been noticed in the aerobic method. More than 70% of effluent DON was consisting of hydrophilic materials, which promote algal growth. The research presented significant information for foreseeable future improving of WWTPs or the choice of DON elimination techniques to satisfy additional challenging nitrogen release limits.Keywords: total dissoloved nitrogen, dissolved organic nitrogen (DON), bioavailable/biodegradable dissolved organic nitrogen, wastewater treatment plants, Jordan.

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Characteristics and fate of organic nitrogen in municipal biological nutrient removal wastewater treatment plants

Cited by 65 publications

References 16 publications

Acclimation of denitrifying activated sludge to a single vs. complex external carbon source during a start-up of sequencing batch reactors treating ammonium-rich anaerobic sludge digester liquors

Acclimation of denitrifying activated sludge to a single vs. complex external carbon source during a start-up of sequencing batch reactors treating ammonium-rich anaerobic sludge digester liquors

Biomass production and nutrient removal by Chlorella sp. as affected by sludge liquor concentration

Determination of the Fate of Dissolved Organic Nitrogen in the Three Wastewater Treatment Plants, Jordan

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