The innovative and recently discovered n-damo process, based on anaerobic methane oxidation with nitrite, was developed in a membrane-based bioreactor and evaluated in terms of organic micropollutants (OMPs) removal. The main singularity of this study consisted in the evaluation of organic micropollutants (OMPs) removal in the biological reactor. A strategy consisting on progressively increasing the nitrogen loading rate in order to increase the specific denitrification activity was followed to check if the selected OMPs were co-metabolically biotransformed. Significant nitrite removal rate (24.1 mg N L d) was achieved after only 30 days of operation. A maximum specific removal of 186.3 mg N gVSS d was obtained at the end of the operation, which is one of the highest previously reported. A successfully n-damo bacteria enrichment was achieved, being Candidatus Methylomirabilis the predominant bacteria during the whole operation attaining a maximum relative abundance of about 40 %. The natural hormones (E1 and E2) were completely removed in the bioreactor. The specific removal rates of erythromycin (ERY), fluoxetine (FLX), roxithromycin (ROX) and sulfamethoxazole (SMX) were successfully correlated with the specific nitrite removal rates, suggesting a co-metabolic biotransformation.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.jhazmat.2020.123450 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Advanced micropollutant and phosphorus removal with superfine powdered activated carbon and pile cloth media filtration.
Water Res
December 2024
Department of Civil and Environmental Engineering Sciences, Institute IWAR, Chair of Water and Environmental Biotechnology, Technical University of Darmstadt, Germany. Electronic address:
Organic micropollutants (OMP) are ubiquitous in aquatic ecosystems and have a proven negative impact on the environment and drinking water resources. To remove OMP from municipal wastewater, the use of superfine Powdered Activated Carbon (sPAC) (d = 1.0 µm) compared to Powdered Activated Carbon (PAC) (d = 30.
View Article and Find Full Text PDFInter-Island Variability in Trace Elements and Trophic Ecology of Brown Booby (Sula leucogaster) in the South Atlantic.
Environ Pollut
January 2025
Olaf Malm Laboratory of Environmental Studies (LEA-OM), Carlos Chagas Filho Biophysics Institute (IBCCF), Federal University of Rio de Janeiro (UFRJ), 21941-902, Rio de Janeiro, Brazil; Laboratory of Oceanology, Freshwater and Oceanic Sciences Unit of Research (FOCUS), University of Liege, Belgium.
This study investigates essential (Mg, Ca, Fe, Mn, Cu, Zn, Se, Ni) and non-essential (Li, Be, Cr, Rb, Sr, Cs, Cd, Sn, Ba, and Pb) element concentrations and stable isotope (δC, δN, δS) compositions in feathers of Brown Boobies (Sula leucogaster) from three distinct Atlantic islands: the Archipelagos of Saint Peter and Saint Paul (SPSP), Abrolhos, and Cagarras. We aimed to investigate the ecological and environmental factors influencing these seabird populations and assess potential variations in contaminant exposure and dietary habits based on location, sex, and maturity stages. Our finding revealed significant geographical differences in trace element concentrations.
View Article and Find Full Text PDFPrediction of Retention Indices in LC-HRMS for Enhanced Structural Identification of Organic Micropollutants in Water: Selectivity-Based Filtration.
Anal Chem
January 2025
Separation Science Group, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 S4bis, B-9000 Ghent, Belgium.
Addressing the global challenge of ensuring access to safe drinking water, especially in developing countries, demands cost-effective, eco-friendly, and readily available technologies. The persistence, toxicity, and bioaccumulation potential of organic pollutants arising from various human activities pose substantial hurdles. While high-performance liquid chromatography coupled with high-resolution mass spectrometry (HPLC-HRMS) is a widely utilized technique for identifying pollutants in water, the multitude of structures for a single elemental composition complicates structural identification.
View Article and Find Full Text PDFDegradation of micropollutants in water matrices using light activated - Persulfate: A review.
J Environ Manage
December 2024
Department of Chemical Engineering, University of Western Macedonia, GR-50132, Kozani, Greece. Electronic address:
The escalating challenge of eliminating persistent micropollutants from aquatic environments acted as a driving force for the development of innovative Advanced Oxidation Processes (AOPs). Among various AOPs, Light-Activated Persulfate (LAP) stands out for its efficacy due to its homogeneous nature and the potential for coupling with renewable sources, leading to enhanced sustainability. From this perspective, this review summarizes the research on LAP for the degradation of micropollutants over the previous six years.
View Article and Find Full Text PDFNatural pigments and biogas recovery from cyanobacteria grown in treated wastewater. Fate of organic microcontaminants.
Water Res
December 2024
GEMMA - Group of Environmental Engineering and Microbiology, Department of Civil and Environmental Engineering, Universitat Politècnica de Catalunya-BarcelonaTech, c/ Jordi Girona 1-3, Building D1, Barcelona 08034, Spain. Electronic address:
Cyanobacterial wastewater-based biorefineries are a sustainable alternative to obtain high-value products with reduced costs. This study aimed to obtain phycobiliproteins and carotenoids, along with biogas from a wastewater-borne cyanobacterium grown in secondary effluent from an urban wastewater treatment plant, namely treated wastewater. For the first time, the presence of contaminants of emerging concern in concentrated pigment extracts was assessed.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!