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Papers
20 resultsShowing papers similar to Economia Circular E Desenvolvimento Sustentável: Compostabilidade, Biodegradação E Inovação Em Biopolímeros E Compósitos Renováveis Para Aplicações Estruturais, Agrícolas E Embalagens
ClearBioplastics in the circular bioeconomy: Production pathways, biodegradation mechanisms, and environmental implications
This comprehensive review examines how bioplastics — plastics made from renewable biological sources — fit into a circular economy, covering how they are produced, how microorganisms break them down, and the environmental risks when degradation is incomplete. A key concern is that even bio-based plastics can form microplastics if they do not fully degrade in real-world conditions like marine or soil environments, meaning that simply switching to bioplastics does not automatically solve the microplastic pollution problem.
Bio-based plastics in a circular economy: A review of recovery pathways and implications for product design
Researchers reviewed how bio-based plastics — made from renewable plant sources — can be recovered and recycled at end-of-life, finding that the feasibility of eight different recovery methods depends heavily not just on plastic chemistry but on how products are designed, and offering guidance for designers to improve recyclability.
Biodegradable Packaging : a Key to Environmental Sustainability
This paper reviews biodegradable packaging alternatives to conventional plastics, arguing that plant-based materials can reduce microplastic pollution in oceans, soil, and food systems. The authors survey available materials and manufacturing methods as part of a broader case for environmental sustainability.
Advancements in the biopolymer films for food packaging applications: a short review
This review covers advances in biodegradable biopolymer films being developed to replace conventional plastic food packaging, which breaks down into microplastics that contaminate soil and water. While these plant-based alternatives show promise for reducing microplastic pollution, they still need improvements in strength and durability before they can compete with conventional plastics at commercial scale.
Incarnation of bioplastics: recuperation of plastic pollution
This review explored bioplastics as eco-friendly alternatives to petroleum-based plastics, examining their production from agricultural and kitchen waste products and their potential for microbial decomposition to help reduce plastic pollution.
A Review of Bioplastics and Their Adoption in the Circular Economy
This review examines the current landscape of bioplastics, including bio-based and biodegradable materials, as potential alternatives to conventional fossil-fuel-derived plastics. Researchers assessed standards, life cycle analyses, and environmental performance of various bioplastic types. The study highlights that while bioplastics offer potential benefits for reducing fossil resource dependency, challenges remain around their actual environmental performance and integration into circular economy systems.
Plastics of the Future? An Interdisciplinary Review on Biobased and Biodegradable Polymers: Progress in Chemistry, Societal Views, and Environmental Implications
This review examines biodegradable and biobased plastics as alternatives to conventional plastics, assessing their environmental impact five years after the authors' previous analysis. While these newer plastics show promise in reducing persistent waste, they raise their own concerns, including the potential to generate microplastics and affect soil health under certain conditions. The authors argue that a full life-cycle approach -- from raw materials to disposal -- is essential for these alternatives to truly help.
Recent Advances in Bioplastics: Application and Biodegradation
This review examines recent advances in bioplastics — including their applications in packaging, agriculture, and medicine — and critically evaluates their actual biodegradation performance in both natural and industrial environments, finding a significant gap between claims and real-world outcomes.
Potential use of plant leaves and sheath as food packaging materials in tackling plastic pollution: A Review
This review examines research into using plant leaves and sheaths as biodegradable food packaging materials to reduce plastic pollution. Researchers found that considerable progress has been made in demonstrating the feasibility of plant-based packaging, though large-scale production and commercial application remain challenging. The study suggests that plant-derived packaging materials hold significant economic potential as environmentally friendly alternatives to single-use plastics.
Bioplastics and the environment: Solution or Green Illusion?
This review critically evaluates whether bioplastics are genuinely environmentally friendly alternatives to conventional plastics, finding that many bioplastics degrade incompletely under real-world conditions, form persistent microplastic fragments, and may pose ecological risks comparable to conventional plastics.
Emerging Technologies for Converting Mixed Plastic Waste into Biodegradable Polymers
Scientists are developing new ways to turn mixed plastic waste (like food containers and shopping bags) into biodegradable materials that naturally break down instead of polluting the environment. This research review summarizes promising techniques that could help reduce the microplastics that end up in our food and water. If these methods can be made affordable and used widely, they could significantly cut plastic pollution and the health risks it poses to humans.
Benefits and Drawbacks of Bioplastic as an Alternative of Conventional Plastic towards Sustainable Plastic T
This review examines bioplastics derived from renewable biomass sources (such as corn starch, vegetable oils, and food waste) as sustainable alternatives to conventional petroleum-based plastics, evaluating their benefits and drawbacks across environmental performance, biodegradability, and scalability. The article explores whether bioplastics represent a viable pathway toward more sustainable plastic use given growing concerns over the non-biodegradable nature and resource intensity of conventional plastics.
Biodegradable Polymers: The Future of Sustainable Plastic Alternatives
This review examines biodegradable polymers as sustainable alternatives to petroleum-based plastics, evaluating their potential to reduce microplastic pollution and ecological degradation. The authors assess the performance, environmental fate, and scalability of current biodegradable materials, identifying key challenges for widespread adoption across packaging and consumer product applications.
Towards a Circular Economy of Plastics: An Evaluation of the Systematic Transition to a New Generation of Bioplastics
This review evaluates the transition from petroleum-based plastics to bioplastics within a circular economy framework, assessing the sustainability, production challenges, and environmental trade-offs of current bioplastic alternatives.
The future of plastic
Researchers examine whether biodegradable polymers can solve plastic's environmental crisis, noting that while plastic is enormously useful, society's heavy reliance on it has created a global pollution problem that biodegradable alternatives alone are unlikely to fully resolve.
A progress update on the biological effects of biodegradable microplastics on soil and ocean environment: A perfect substitute or new threat?
This review examines whether biodegradable plastics, often marketed as eco-friendly alternatives, actually break down safely in the environment. The evidence shows that biodegradable plastics often fragment into microplastics rather than fully decomposing, and these biodegradable microplastics can harm soil organisms, marine life, and disrupt nutrient cycles. The findings suggest that simply switching to biodegradable plastics may not solve the microplastic pollution problem and could introduce new environmental risks.
Bioplastics for a circular economy
Researchers reviewed the role of bioplastics — made from bio-based or biodegradable polymers — in circular economy systems, finding that while they can lower carbon footprints and enable end-of-life biodegradation, trade-offs including land competition, unclear recycling compatibility, and higher costs limit their scalable sustainable impact.
Biodegradable plastics: Green hope or greenwashing?
This review examines biodegradable plastics and their limitations, finding that many do not break down effectively under real-world environmental conditions and may still fragment into microplastics. The authors caution that biodegradable plastics should not be viewed as a simple solution to plastic pollution without better standards and end-of-life infrastructure.
Bioplastics and biodegradable plastics: A review of recent advances, feasibility and cleaner production
Researchers systematically reviewed over 280 articles on bioplastics and biodegradable plastics, finding that while polylactic acid and polyhydroxyalkanoates reduce fossil fuel dependence, their higher production costs, lower durability, and tendency to form microplastics when improperly composted remain significant barriers to replacing conventional plastics.
Discussion about suitable applications for biodegradable plastics regarding their sources, uses and end of life
Researchers critically evaluated the scientific basis for biodegradable plastics as a solution to plastic pollution, concluding that no plastic biodegrades universally across all ecosystems, that treating the environment as a waste treatment system is unacceptable, and that compostable plastics require dedicated collection infrastructure to deliver on their environmental promise.