| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Hofmann, Thilo
University of Vienna
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2024Influence of plastic shape on interim fragmentation of compostable materials during compostingcitations
- 2023Fragmentation and Mineralization of a Compostable Aromatic–Aliphatic Polyester during Industrial Compostingcitations
- 2023Iron nitride nanoparticles for rapid dechlorination of mixed chlorinated ethene contaminationcitations
- 2022Iron Nitride Nanoparticles for Enhanced Reductive Dechlorination of Trichloroethylenecitations
- 2022Effect of Polymer Properties on the Biodegradation of Polyurethane Microplasticscitations
- 2019Sorption of organic substances to tire wear materials: Similarities and differences with other types of microplasticcitations
- 2016Can sodium humate coating on mineral surfaces hinder the deposition of nZVI?
- 2015Feasibility of the development of reference materials for the detection of Ag nanoparticles in food: neat dispersions and spiked chicken meatcitations
Places of action
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article
Fragmentation and Mineralization of a Compostable Aromatic–Aliphatic Polyester during Industrial Composting
Abstract
Compostable plastics support the separate collection of organic waste. However, there are concerns that the fragments generated during disintegration might not fully biodegrade and leave persistent microplastic in compost. We spiked particles of an aromatic–aliphatic polyester containing polylactide into compost and then tracked disintegration under industrial composting conditions. We compared the yields against polyethylene. The validity of the extraction protocol and complementary microscopic methods (μ-Raman and fluorescence) was assessed by blank controls, spike controls, and prelabeled plastics. Fragments of 25–75 μm size represented the most pronounced peak of interim fragmentation, which was reached already after 1 week of industrial composting. Larger sizes peaked earlier, while smaller sizes peaked later and remained less frequent. For particles of all sizes, count and mass decreased to blank level when 90% of the polymer carbon were transformed into CO2. Gel permeation chromatography (GPC) analysis suggested depolymerization as the main driving force for disintegration. A transient shift of the particle composition to a lower percentage of polylactide was observed. Plastic fragmentation during biodegradation is the expected route for decomposing, but no accumulation of particulate fragments of any size was observed.