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Papers
4 resultsShowing papers from IMT Atlantique
ClearAn Overview of the Non-Energetic Valorization Possibilities of Plastic Waste via Thermochemical Processes
This review surveys non-energetic valorization options for plastic waste through chemical recycling, covering solvolysis, enzymatic depolymerization, and catalytic cracking pathways that recover monomers or chemical feedstocks. The authors compare process maturity and economic viability, identifying PET and nylon depolymerization as the most commercially advanced chemical recycling routes.
Impact of medical face mask wear on bacterial filtration efficiency and breathability
Researchers investigated whether medical face masks could be safely worn beyond the manufacturer-recommended 4-hour limit, finding that extended wear under various simulated conditions affected bacterial filtration efficiency and breathability, with implications for reducing mask-related plastic waste.
Reusability of face masks: Influence of washing and comparison of performance between medical face masks and community face masks
Researchers tested the impact of 20 wash cycles at 60 degrees Celsius on the particle filtration efficiency and breathability of both medical face masks and reusable community face masks, measuring performance across particle sizes from 0.1 to 6.5 micrometers. They found that washing affected filtration efficiency differently between mask types, informing guidance on the safe reuse of masks and their relative environmental footprints.
Air Pollution and Sea Pollution Seen from Space
Researchers reviewed how satellite-based sensors have transformed our understanding of air and ocean pollution, enabling global monitoring of phenomena from smog to marine plastic debris. The paper highlights how improved mapping of small-scale ocean eddies is providing new insights into how pollutants spread and concentrate across the world's seas.