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Occurrence of emerging and persistent organic pollutants in the rivers Cam, Ouse and Thames, UK.
Sci Total Environ
January 2025
Centre for Agroecology Water and Resilience (CAWR), Coventry University, Wolston Lane, Ryton on Dunsmore, CV8 3LG, UK. Electronic address:
The widespread occurrence of new and emerging and persistent organic pollutants (NEPs and POPs) in surface water poses a risk to drinking water supply and consequently human health. The aim of this work was to investigate the occurrence and potential transport of 42 target NEPs and POPs (including per-and polyfluoroalkyl substances (PFAS), pharmaceuticals, pesticides and bisphenols) along the rural and urban environments of three rivers in England. The type and concentrations of pollutants varied between the sampling days and points.
View Article and Find Full Text PDFMembrane photobioreactor for biogas capture and conversion - Enhanced microbial interaction in biofilm.
Bioresour Technol
February 2025
Nanyang Environment & Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Singapore 637141, Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore. Electronic address:
The urgency to mitigate greenhouse gas emissions has driven interest in sustainable biogas utilization. This study investigates a 1 L enclosed membrane photobioreactor (MPBR) using a microalgae-methanotroph coculture for biogas capture. Operating with a hydraulic and solid retention time of 7 days and a biogas loading rate of 2.
View Article and Find Full Text PDFIsotopic and molecular analyses of n-alkanes in a temporal study of coastal sediment contributions to organic carbon degradation induced by algal bloom and terrestrial runoff.
Sci Total Environ
January 2025
Department of Chemistry and Biochemistry, Geotop Research Center, Concordia University, Montréal, QC, Canada.
The priming effect (PE) refers to the enhanced remineralization of recalcitrant organic carbon (OC) driven by the respiration of labile OC, potentially increasing CO fluxes from aquatic ecosystems. Patterns of PE induced by marine and terrestrial OC inputs can be explored through sedimentary contributions to the degraded OC pool. In this study, coastal sediments (δC = -25.
View Article and Find Full Text PDFImproving photosynthetic biogas purification via process aeration and nanoparticle supplementation.
Bioresour Technol
February 2025
Institute of Sustainable Processes, University of Valladolid, Dr. Mergelina, s/n, 47011 Valladolid, Spain; Department of Chemical and Environmental Engineering, University of Valladolid, Dr. Mergelina, s/n, 47011 Valladolid, Spain. Electronic address:
This study evaluated the influence of nanoparticles in both suspension and solid format on the performance of a microalgal process devoted to photosynthetic biogas purification. The experimental system consisted of an enclosed tubular photobioreactor coupled to a biogas absorption column through a mixing chamber. The high NH concentration in the inlet mineral medium (530 mg N-NH L) and the punctual addition of 115 mL of nanoparticle suspension to the system caused inhibition of the microalgal-bacterial cultivation.
View Article and Find Full Text PDFGlobal lake phytoplankton proliferation intensifies climate warming.
Nat Commun
December 2024
Guangdong Research Institute of Water Resources and Hydropower, Guangzhou, 510630, China.
Article Synopsis
- Phytoplankton in lakes capture atmospheric CO2 and convert it to organic carbon (OC), but most OC is recycled back to the atmosphere as CO and methane (CH), contributing to climate change.
- * The research identifies a 3.1-fold increase in CO-equivalent emissions over the next century, exacerbated by climate warming.
- * While climate change boosts phytoplankton growth in many lakes, it can also negatively impact their ability to sequester CO-eq, potentially weakening this feedback loop over time.
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