Removal of low concentrations of phenanthrene, fluoranthene and pyrene from urban wastewater by membrane bioreactors technology

González-Pérez, Daniel M; Garralón, G.; Plaza, F.; Pérez, J. M.; Moreno, B.; Gómez, M.A.

doi:10.1080/10934529.2012.707496

Cited by 12 publications

(6 citation statements)

References 18 publications

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“…Indeed, pharmaceutical input into freshwater is mainly related to continuous WWTP effluent discharge, while PAH diffusion in the environment depends on variable anthropogenic sources (e.g., home heating, vehicle emissions) and atmospheric transport dynamics. Some authors report that PAH contamination can involve WWTPs where they are not removed and consequently can also enter in river water from this source [66][67][68].…”

Section: Discussionmentioning

confidence: 99%

Legacy and Emerging Pollutants in an Urban River Stretch and Effects on the Bacterioplankton Community

Visca

Caracciolo

Grenni

et al. 2021

Water

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River contamination is due to a chemical mixture of point and diffuse pollution, which can compromise water quality. Polycyclic Aromatic Hydrocarbons (PAHs) and emerging compounds such as pharmaceuticals and antibiotics are frequently found in rivers flowing through big cities. This work evaluated the presence of fifteen priority PAHs, eight pharmaceuticals including the antibiotics ciprofloxacin (CIP) and sulfamethoxazole (SMX), together with their main antibiotic resistant genes (ARGs) and the structure of the natural bacterioplankton community, in an urbanized stretch of the river Danube. SMX and diclofenac were the most abundant chemicals found (up to 20 ng/L). ARGs were also found to be detected as ubiquitous contaminants. A principal component analysis of the overall microbiological and chemical data revealed which contaminants were correlated with the presence of certain bacterial groups. The highest concentrations of naphthalene were associated with Deltaproteobacteria and intI1 gene. Overall, the most contaminated site was inside the city and located immediately downstream of a wastewater treatment plant. However, both the sampling points before the river reached the city and in its southern suburban area were still affected by emerging and legacy contamination. The diffuse presence of antibiotics and ARGs causes particular concern because the river water is used for drinking purposes.

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Section: Discussionmentioning

confidence: 99%

Legacy and Emerging Pollutants in an Urban River Stretch and Effects on the Bacterioplankton Community

Visca

Caracciolo

Grenni

et al. 2021

Water

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“…The concentration of PHE and NA in washwater is about 5000 and 1000 times that of background seawater. Moreover, it is known that a predominance of low-ring PAHs was observed in urban wastewater where PHE, NA, FLU, and PY are usually the most abundant compounds [40]. Based on the above, it seems not surprising that PHE is the most important PAH compound in seawater.…”

Section: Composition Patterns Of Pahsmentioning

confidence: 94%

Method Development for Low-Concentration PAHs Analysis in Seawater to Evaluate the Impact of Ship Scrubber Washwater Effluents

Chen

Lim

et al. 2022

Water

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A naval ship’s exhaust gas scrubber may discharge polycyclic aromatic hydrocarbons (PAHs) into seawater. Due to the high lipophilicity and low water solubility of PAHs, their concentrations in seawater are extremely low, making them difficult to detect or accurately determine. To accurately assess the impact of scrubber washwater effluent on the PAHs concentration of seawater, appropriate analysis methods must be established. In this study, a large-volume pre-concentration water sampler was used onboard to concentrate PAHs in surface seawater (100 L) from four sites offshore of southern Taiwan. The quantitative and qualitative analysis of dissolved PAHs in seawater and quality control samples were implemented using a GC/MS system with the aid of internal and surrogate standards. Results showed that the field and equipment blank samples of quality control samples were lower than twice the detection limit. The detection limit of individual PAHs is between 0.001 (naphthalene, NA) and 0.014 ng/L (dibenzo[a,h]anthracene, DBA), which meets the requirements for evaluating PAHs in seawater (that is, less than the maximum permissible concentrations (MPCs)). The concentration of total PAHs (TPAHs) in the four seawater samples ranged from 2.297 to 4.001 ng/L and had an average concentration of 3.056 ± 0.727 ng/L. The concentrations of 16 PAHs were determined in each seawater sample, indicating that the analytical method in this study is suitable for the determination of low-concentration PAHs in seawater. Phenanthrene (PHE) is the most dominant compound in seawater samples accounting for 59.6 ± 12.6% of TPAHs, followed by fluorine (FL) accounting for 8.5 ± 3.7%. The contribution of high-ring PAHs to TPAHs is not high (0.5–9.2%), but the observed concentrations can cause a higher risk to aquatic organisms than low-ring PAHs. The diagnostic ratio showed that the sources of PAHs in the seawater collected offshore of southern Taiwan may include mixed sources such as petrogenic, petroleum combustion, and biomass combustion. The results can be used for regular monitoring, which contributes to pollution prevention and management of the marine environment.

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“…Alternatively, González‐Pérez et al. (2012) performed full‐scale evaluation of the removal capability of WWTP in Granada, Spain. The WWTP uses membrane bioreactor as the biological treatment method for the removal of detected three PAHs.…”

Section: Full‐scale Performances Of Biological Treatment Methodsmentioning

confidence: 99%

A review of polycyclic aromatic hydrocarbons and their substitutions in full‐scale wastewater treatment plants

Syafiuddin¹,

Boopathy

2020

Environmental Quality Mgmt

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Wastewater treatment plants (WWTPs) become a main contributor of polycyclic aromatic hydrocarbons (PAHs) and their substitutions present in freshwater systems. This paper reviews PAHs and their substitutions in full‐scale WWTPs including their fate and behaviors, analytical techniques, biological treatments, feasibility examination, and modeling. In addition, challenges and future outlook are also highlighted. This study found that PAHs and their substitutions have been detected in WWTPs. GC‐MS and HPLC analytical methods have been found to be acceptable for the detection and analysis of PAHs and their substitutions. Although some biological treatments such as activated sludge and membrane bioreactors are capable for the treatment process, their technical, social, economic, and environmental aspects must be considered. The fate and treatability estimator (FATE) model has been used for the modeling of removal of PAHs in full‐scale WWTPs, but in some cases their shortcoming has been reported, which calls for an evaluation and modification of the model based on physicochemical processes.

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Removal of low concentrations of phenanthrene, fluoranthene and pyrene from urban wastewater by membrane bioreactors technology

Cited by 12 publications

References 18 publications

Legacy and Emerging Pollutants in an Urban River Stretch and Effects on the Bacterioplankton Community

Legacy and Emerging Pollutants in an Urban River Stretch and Effects on the Bacterioplankton Community

Method Development for Low-Concentration PAHs Analysis in Seawater to Evaluate the Impact of Ship Scrubber Washwater Effluents

A review of polycyclic aromatic hydrocarbons and their substitutions in full‐scale wastewater treatment plants

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