Increased use of quaternary ammonium compounds during the SARS-CoV-2 pandemic and beyond: consideration of environmental implications

PI Hora, SG Pati, PJ McNamara… - Environmental Science & …, 2020 - ACS Publications
Quaternary ammonium compounds (QACs) are active ingredients in over 200 disinfectants
currently recommended by the US EPA for use to inactivate the SARS-CoV-2 (COVID-19) …

Occurrence and fate of emerging contaminants in municipal wastewater treatment plants from different geographical regions-a review

NH Tran, M Reinhard, KYH Gin - Water research, 2018 - Elsevier
Emerging contaminants, such as antibiotics, pharmaceuticals, personal care products,
hormones, and artificial sweeteners, are recognized as new classes of water contaminants …

Nitrification and denitrification processes for mitigation of nitrous oxide from waste water treatment plants for biovalorization: Challenges and opportunities

IS Thakur, K Medhi - Bioresource technology, 2019 - Elsevier
Nitrous oxide (N 2 O) is a potent greenhouse gas. Even though its emissions is much lesser
than CO 2 but its global warming potential (GWP) is 298 times more than CO 2. N 2 O …

Quaternary ammonium compounds promoted anoxic sludge granulation and altered propagation risk of intracellular and extracellular antibiotic resistance genes

M Zhao, J Gao, H Zhang, Y Cui, Z Wang, Y Zhao… - Journal of Hazardous …, 2023 - Elsevier
Surfactants could influence sludge morphology and disinfectants were linked to antibiotic
resistance genes (ARGs). Thus, the response of activated sludge and ARGs to long-term …

Lumen air pressure regulated multifunctional microbiotas in membrane-aerated biofilm reactors for simultaneous nitrogen removal and antibiotic elimination from …

Z Xia, HY Ng, D Xu, S Bae - Water Research, 2024 - Elsevier
In this study, two membrane-aerated biofilm reactors (MABRs) were constructed: one solely
utilizing biofilm and another hybrid MABR (HMABR) incorporating both suspended-sludge …

A rapid, efficient and eco-friendly approach for simultaneous biomass harvesting and bioproducts extraction from microalgae: Dual flocculation between cationic …

M Taghavijeloudar, P Yaqoubnejad… - Science of The Total …, 2023 - Elsevier
Microalgal biomass harvesting and cell disruption are the main bottlenecks for downstream
processing of microalgae such as high-value bioproducts extraction and biofuels production …

Hydrophobic gas transfer membranes for wastewater treatment and resource recovery

D Hou, D Jassby, R Nerenberg… - Environmental Science & …, 2019 - ACS Publications
Gaseous compounds, such as CH4, H2, and O2, are commonly produced or consumed
during wastewater treatment. Traditionally, these gases need to be removed or delivered …

Greywater treatment using an oxygen-based membrane biofilm reactor: Formation of dynamic multifunctional biofilm for organics and nitrogen removal

Y Zhou, R Li, B Guo, L Zhang, X Zou, S Xia… - Chemical Engineering …, 2020 - Elsevier
A bench-scale oxygen-based membrane biofilm reactor (O 2-MBfR) was used to treat
greywater for organics and nitrogen removal. Highly dynamic multifunctional biofilm formed …

Enhanced removal of cephalexin and sulfadiazine in nitrifying membrane-aerated biofilm reactors

B Wang, H Li, T Liu, J Guo - Chemosphere, 2021 - Elsevier
Nitrification process has been reported to be capable of degrading various pharmaceuticals
due to the cometabolism of ammonia-oxidizing bacteria (AOB). The membrane aerated …

Response of antibiotic resistance genes and microbial niches to dissolved oxygen in an oxygen-based membrane biofilm reactor during greywater treatment

Y Zhou, MN Anwar, B Guo, W Huang, Y Liu - Science of the Total …, 2022 - Elsevier
Linear alkylbenzene sulfonates (LAS) in greywater (GW) will simulate antibiotic resistance
genes (ARGs) production in the biofilm-based system. Our study emphasizes the dissolved …