{"id":6527,"date":"2026-03-13T09:42:04","date_gmt":"2026-03-13T08:42:04","guid":{"rendered":"https:\/\/remade-project.eu\/?post_type=tribe_events&p=6527"},"modified":"2026-04-23T10:40:42","modified_gmt":"2026-04-23T08:40:42","slug":"in-situ-characterization-of-food-and-plastic-waste-carbonized-under-pressure","status":"publish","type":"tribe_events","link":"https:\/\/remade-project.eu\/index.php\/event\/in-situ-characterization-of-food-and-plastic-waste-carbonized-under-pressure\/","title":{"rendered":"In situ characterization of food and plastic waste carbonized under pressure"},"content":{"rendered":"
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Zoom webinar<\/a> | Replay on Youtube (soon)<\/h5>\n

Francesco D’ACIERNO<\/strong><\/p>\n

KU Leuven, Belgium<\/p>\n

 <\/p>\n

In situ investigations of soft-matter carbonization are essential to connect processing conditions with final carbon structure and function. Here we report time-resolved structural and chemical monitoring of autogenic pressure carbonization of non-recyclable commodity plastics\u00a0performed directly inside sealed quartz capillaries. We also treated food waste-derived sugars through alkaline and neutral hydrothermal carbonization in water and ionic liquids. By combining synchrotron-grade WAXS and SAXS with in-situ Raman spectroscopy, and supporting ex-situ XPS surface analysis, we follow the transformation from disordered organic networks to carbonaceous solids under self-generated pressure in real time.<\/div>\n
<\/div>\n
SAXS reveals the emergence and coarsening of nanoscale porosity and density inhomogeneities early in the heating profile, while WAXS captures the progressive development of short-range aromatic stacking (broadening and gradual appearance of 002-type scattering). Raman spectra recorded concurrently track the evolution of sp2<\/sup>\u00a0domains and defect populations via the D and G bands, allowing kinetic comparison between plastic and sugar routes. Ex-situ XPS indicates contrasting heteroatom retention: hydrothermal-derived chars retain higher oxygen functionality, whereas plastic-derived carbons show lower O\/C ratios and more pronounced graphitization signatures at equivalent processing stages.<\/div>\n
<\/div>\n
Together the multimodal dataset supports a unifying mechanism in which precursor chemistry controls the balance between intramolecular rearrangement and intermolecular crosslinking, setting the pathway for pore formation and aromatic ordering under pressure.<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Zoom webinar | Replay on Youtube (soon) Francesco D’ACIERNO KU Leuven, Belgium   In situ investigations of soft-matter carbonization are essential to connect processing conditions with final carbon structure and 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