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Mechanisms for removing phosphorus species through sequential coagulation using inorganic coagulants and organic polymers.
Water Sci Technol
January 2025
Norwegian University of Life Sciences, Department of Building and Environmental Technology, P.O. Box 5003, 1430 Ås, Norway.
The need for stringent phosphorus removal from domestic wastewater is increasing to mitigate eutrophication, while efficient phosphate reuse is critical due to the global phosphate crisis. Combining aluminum sulfate (ALS) with high molecular weight organic polymers achieved 95-99% removal of particles, turbidity, and phosphates, reducing ALS usage by 40%. We propose mechanisms to explain the enhanced treatment efficiency.
View Article and Find Full Text PDFAnti-icing properties of polar bear fur.
Sci Adv
January 2025
Department of Physics and Technology, University of Bergen, Allegaten 55, Bergen 5007, Norway.
The polar bear () is the only Arctic land mammal that dives into water to hunt. Despite thermal insulation provided by blubber and fur layers and low Arctic temperatures, their fur is typically observed to be free of ice. This study investigates the anti-icing properties of polar bear fur.
View Article and Find Full Text PDFQuantification and optimization of platinum-molybdenum carbide interfacial sites to enhance low-temperature water-gas shift reaction.
Nat Commun
January 2025
State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao, Shandong, P.R. China.
Pt/α-MoC catalysts exhibit exceptional activity in low-temperature water-gas shift reactions. However, quantitatively identifying and fine-tuning the active sites has remained a significant challenge. In this study, we reveal that fully exposed monolayer Pt nanoclusters on molybdenum carbides demonstrate mass activity that exceeds that of bulk molybdenum carbide catalysts by one to two orders of magnitude at 100-200 °C for low-temperature water-gas shift reactions.
View Article and Find Full Text PDFStrengthening Policy Relevance of Wastewater-Based Surveillance for Antimicrobial Resistance.
Environ Sci Technol
January 2025
University of Warmia and Mazury in Olsztyn, Department of Water Protection Engineering and Environmental Microbiology, Prawochenskiego 1, Olsztyn 10-790, Poland.
Developing Adverse Outcome Pathways to support radioecological risk assessment: Challenges and insights.
Environ Toxicol Chem
January 2025
Institut de Radioprotection et de Sûreté Nucléaire (IRSN), Laboratoire d'Ecologie et d'Ecotoxicologie des Radionucléides, Cadarache, 13115 France Saint Paul-Lez-Durance.
Environmental pollution associated with long term effects, especially in the case of ionizing radiation, poses significant risks to wildlife, necessitating a more nuanced approach to Ecological Risk Assessment (ERA). In radioecology, current methods, as outlined by the International Commission on Radiological Protection (ICRP), focus primarily on exposure and individual/population-level effects, often both suffering a lack of ecological realism due to the nature of data used, and, sidelining a big amount of critical non-individual effects such as sub-individual one like genotoxicity. This review aims to address these gaps by suggesting the integration of New Approach Methods (NAMs) and the Adverse Outcome Pathway (AOP) framework in the field of radioecology.
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