Wastewater-Derived Dissolved Organic Nitrogen: Analytical Methods, Characterization, and Effects—A Review

Pehlivanoğlu-Mantaş, Elif; Sedlak, David L.

doi:10.1080/10643380500542780

Cited by 136 publications

(77 citation statements)

References 128 publications

(141 reference statements)

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“…Similar to DIN and specifically NH 4 + (Glibert et al 1995), labile DON compounds can turn over rapidly in natural waters (Fuhrman 1990 [DFAA]; Lomas et al 2002 [urea]; Mulholland et al, 2009 [peptides]) and a fraction of the DON pool in aquatic systems appears bioavailable to phytoplankton (Berman and Bronk 2003;Bronk 2002). Many larger organic compounds that are present in treated effluents (Pehlivanoglu-Mantas and Sedlak 2006) can also be taken up by microbes after first rendering HMW compounds into low molecular weight compounds through a variety of extracellular enzyme reactions (Berg et al 2003;Berges and M. R. Mulholland, 2008;Pantoja et al 1997). However, there is also a large fraction of DON that is degraded over longer timescales or is refractory (Berman and Bronk 2003;Bronk 2002;Kirchman et al 1993).…”

Section: Discussionmentioning

confidence: 99%

The Bioavailability of Effluent-derived Organic Nitrogen along an Estuarine Salinity Gradient

Filippino

Mulholland

Bernhardt

et al. 2010

Estuaries and Coasts

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Total maximum daily loads for nitrogen (N) are currently being established for the Chesapeake Bay watershed. While we know inorganic N is bioavailable in the environment and therefore its input contributes to cultural eutrophication, the bioavailability of organic N is unclear. Using bioassay experiments, we examined the impact of effluent-derived organic nitrogen (EON) from wastewater treatment plants on natural water samples collected along an estuarine/salinity gradient within the lower Chesapeake Bay watershed. All of the inorganic N and between 31% and 96% of the EON was removed during biotic bioassays within the first 2 days. Further, there was substantial abiotic reactivity of effluent N when it was added to natural water samples. Results demonstrate that organic and inorganic N in effluent is removed to support the growth of microbial communities. These are the first results aimed at assessing the reactivity of EON in natural waters along an estuarine/salinity gradient.

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Section: Discussionmentioning

confidence: 99%

The Bioavailability of Effluent-derived Organic Nitrogen along an Estuarine Salinity Gradient

Filippino

Mulholland

Bernhardt

et al. 2010

Estuaries and Coasts

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“…However, it is known that the organic comprises large portions of proteins, free and combined amino acids, low molecular weight (LMW) aliphaticamines, urea and amides [32]. Pehlivanoglu-Mantas and Sedlak [29] also reported that it is possible to derive a significant organic nitrogen fraction from the metabolic products which is generated by the microbes in the wastewater.…”

Section: -2 Nitrogen Removalmentioning

confidence: 99%

Process modeling and optimization of biological removal of carbon, nitrogen and phosphorus from hospital wastewater in a continuous feeding & intermittent discharge (CFID) bioreactor

Pirsaheb

Mohamadi

Mansouri

et al. 2015

Korean J. Chem. Eng.

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We evaluated the feasibility and treatment performance of a continuous feeding and intermittent discharge (CFID) bioreactor treating real hospital wastewater with the emphasis on simultaneous carbon, nitrogen and phosphorus (CNP) removal. The experiments were based on a central composite design (CCD) and analyzed by response surface methodology (RSM). To analyze the process, three significant variables, aeration time (2-4 h), mixing time without aeration (30-90 min) and MLSS concentration (2,000-6,000 mg/l), were studied. Results show that an increase in aeration time increased the nitrogen and phosphorous removal efficiency. However, when the aeration time was more than 3 h, the efficiency of phosphorous removal was decreased due to insufficient acidification. A similar scenario was observed when mixing time was increased for phosphorus and nitrogen removal efficiency. MLSS had a positive effect on all the responses. Under optimal conditions, the concentrations of quality parameter in the influent in average were recorded as 586 mg COD/l, 296 mg BOD 5 /l, 97 mgTN/l and 16.47 mg TP/l, which yields the following removal efficiencies, 95.6%, 98.3%, 88.0% and 92.0%, respectively.

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“…N-DBPs are a group of unintended byproducts formed by chemical reactions between disinfectants and components of dissolved organic matter (DOM), especially dissolved organic nitrogen (DON), during chlorination or chloramination (Pehlivanoglu-Mantas and Sedlak, 2006). N-DBPs are usually present at low mg/L or even ng/L levels in drinking water, which are much lower than concentrations of currently regulated disinfection byproducts (DBPs) .…”

Section: Introductionmentioning

confidence: 99%

Induction of bacterial antibiotic resistance by mutagenic halogenated nitrogenous disinfection byproducts

et al. 2015

Environmental Pollution

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Wastewater-Derived Dissolved Organic Nitrogen: Analytical Methods, Characterization, and Effects—A Review

Cited by 136 publications

References 128 publications

The Bioavailability of Effluent-derived Organic Nitrogen along an Estuarine Salinity Gradient

The Bioavailability of Effluent-derived Organic Nitrogen along an Estuarine Salinity Gradient

Process modeling and optimization of biological removal of carbon, nitrogen and phosphorus from hospital wastewater in a continuous feeding & intermittent discharge (CFID) bioreactor

Induction of bacterial antibiotic resistance by mutagenic halogenated nitrogenous disinfection byproducts

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