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Definitions and Procedures for Characterization of Biodegradable Waste
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This paper outlines standard definitions and procedures for characterizing biodegradable waste, intended to support consistent research and regulatory frameworks. It is a methodological standards document rather than an original research study.
The application of the principles of circular economics in the management of single-type biodegradable waste from direct production (food production, wood waste) can bring economic and environmental benefits by ensuring the production of products with a higher added value and by saving primary resources. Biodegradable municipal waste (BMW), as part of municipal solid waste (MSW), remains a problem. The information on the quality of "clean kitchen waste collected separately" will be available only after the introduction of separate collections after 2025. In terms of valorization of such waste, a limiting factor for its further use may be newly monitored pollutants (e.g. microplastics).
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This review assessed existing methodologies for testing the biodegradability of bio-based polymers, identifying gaps in current standards and emphasizing the need for updated legislation and testing guidelines to ensure bioplastics fully degrade without releasing hazardous compounds.
Chemical-Physical Characterization of Bio-Based Biodegradable Plastics in View of Identifying Suitable Recycling/Recovery Strategies and Numerical Modeling of PLA Pyrolysis
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Researchers characterized several bio-based and biodegradable polymer alternatives to conventional plastics using chemical-physical methods, assessing their suitability for industrial composting and identifying challenges in managing these bioplastics in the existing waste stream.
Analysis of Conventional and Biodegradable Microplastics in Solid Sample Matrices: A Contribution to Method Standardization
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Researchers developed and tested analytical methods for detecting and measuring both conventional and biodegradable microplastics in solid environmental samples like soil and sediment. Standardizing such methods is critical for producing comparable data across studies worldwide. The paper advances the field by providing validated protocols for detecting biodegradable plastic particles, which behave differently from conventional plastics.
A scoping and critical review of properties, standards, and regulations of oxo-biodegradable plastics
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This review critically examines the properties, technical standards, and regulations of oxo-biodegradable plastics, which use pro-oxidant additives to promote abiotic fragmentation followed by biological degradation, discussing the development of new metrological tests needed to substantiate biodegradability claims.
Biodegradability standards for carrier bags and plastic films in aquatic environments: a critical review
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Researchers critically reviewed existing biodegradability standards for carrier bags and plastic films in aquatic environments and found that current testing protocols do not adequately reflect real-world marine or freshwater conditions. The study suggests that labeling plastics as "biodegradable" may be misleading, since degradation rates vary dramatically depending on temperature, oxygen levels, and microbial communities present in natural water bodies.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.