Pyrolysis of mixed contaminated plastic wastes: Assessing the influence of polymers composition, temperature and residence time DOI Creative Commons
Davide Sorino,

Paolo de Vizia,

Matteo Baldelli

и другие.

Waste Management, Год журнала: 2025, Номер 201, С. 114793 - 114793

Опубликована: Апрель 14, 2025

The European Union's recycling objectives of 50 % for packaging by 2025 and 55 2030 are still far from the current rate 37.8 %. Thermochemical via pyrolysis might improve recovery rates, especially challenging post-consumer dirty contaminated plastics. Many studies focus on virgin plastics artificial mixtures these to simulate real-world mixed plastic waste scenarios. This study examines a sample pre-sorting an Italian composting plant represent real within collection chain. contains plastics, organics, paper, others, with making up 72.18 sample, primarily identified as LDPE, PP, HDPE. were tested individually mixture, mirroring concentrations observed original in bench-scale semi-batch reactor at varying temperatures (420 °C, 470 520 °C) residence times. analysis indicated that temperature time considerably influence product yields composition, although has more dominant effect. Wax showed paraffins olefins primary components, peak carbon number distribution C14-C19 range elevated temperatures. Contaminant wax substantial levels halogens metals, posing challenges downstream processes. Results mixture tests revealed individual polymers could be predicted linear combination their behaviors, accuracy 10 margin error across examined lower

Язык: Английский

Nanotechnology-powered innovations for agricultural and food waste valorization: A critical appraisal in the context of circular economy implementation in developing nations DOI

B. Preethi,

Natchimuthu Karmegam,

Sivasubramanian Manikandan

и другие.

Process Safety and Environmental Protection, Год журнала: 2024, Номер 184, С. 477 - 491

Опубликована: Фев. 2, 2024

Язык: Английский

Процитировано

24

Machine learning applications for electrospun nanofibers: a review DOI Creative Commons

Balakrishnan Subeshan,

Asonganyi Atayo,

Eylem Asmatulu

и другие.

Journal of Materials Science, Год журнала: 2024, Номер 59(31), С. 14095 - 14140

Опубликована: Июль 30, 2024

Abstract Electrospun nanofibers have gained prominence as a versatile material, with applications spanning tissue engineering, drug delivery, energy storage, filtration, sensors, and textiles. Their unique properties, including high surface area, permeability, tunable porosity, low basic weight, mechanical flexibility, alongside adjustable fiber diameter distribution modifiable wettability, make them highly desirable across diverse fields. However, optimizing the properties of electrospun to meet specific requirements has proven be challenging endeavor. The electrospinning process is inherently complex influenced by numerous variables, applied voltage, polymer concentration, solution flow rate, molecular weight polymer, needle-to-collector distance. This complexity often results in variations nanofibers, making it difficult achieve desired characteristics consistently. Traditional trial-and-error approaches parameter optimization been time-consuming costly, they lack precision necessary address these challenges effectively. In recent years, convergence materials science machine learning (ML) offered transformative approach electrospinning. By harnessing power ML algorithms, scientists researchers can navigate intricate space more efficiently, bypassing need for extensive experimentation. holds potential significantly reduce time resources invested producing wide range applications. Herein, we provide an in-depth analysis current work that leverages obtain target nanofibers. examining work, explore intersection ML, shedding light on advancements, challenges, future directions. comprehensive not only highlights processes but also provides valuable insights into evolving landscape, paving way innovative precisely engineered various Graphical abstract

Язык: Английский

Процитировано

21

Advancing Sustainability in Modern Polymer Processing: Strategies for Waste Resource Recovery and Circular Economy Integration DOI Open Access
Ionuț-Cristian Radu,

Andreea-Mihaela Vadureanu,

Derniza‐Elena Cozorici

и другие.

Polymers, Год журнала: 2025, Номер 17(4), С. 522 - 522

Опубликована: Фев. 17, 2025

By the late 1970s, plastics had emerged as most widely used materials globally. The discovery, development, and processing of diverse polymeric have profoundly shaped modern life driven expansion numerous industries. Given widespread interest in utilization these materials, it has become increasingly imperative to design their cycles from outset. This approach aims maximize utility while minimizing environmental footprint. review identify analyze key challenges polymer applicable both additive formative manufacturing methods, emphasizing relationship between recycling within framework sustainability. Modern techniques play a crucial role enhancing sustainability products by improving potential (with consideration type, source, additives), cost-effectiveness, carbon footprint, properties such durability, lifespan, performance, impact. It will also explore concept circular economy its integration into including extrusion, injection molding, 3D printing. Additionally, current methods are analyzed with respect effectiveness, sustainability, compatibility original materials. Moreover, discussion emphasizes benefits compared linear one exploring concepts closed-loop open-loop systems, along applications depending on material initial method employed. To ensure that humanity continues benefit striving for waste-free environment, is essential integrate principles sustainable development very beginning.

Язык: Английский

Процитировано

3

A review on microbes mediated resource recovery and bioplastic (polyhydroxyalkanoates) production from wastewater DOI Creative Commons
Vishal Ahuja, Pankaj Singh, Chandan Mahata

и другие.

Microbial Cell Factories, Год журнала: 2024, Номер 23(1)

Опубликована: Июль 1, 2024

Abstract Background Plastic is widely utilized in packaging, frameworks, and as coverings material. Its overconsumption slow degradation, pose threats to ecosystems due its toxic effects. While polyhydroxyalkanoates (PHA) offer a sustainable alternative petroleum-based plastics, their production costs present significant obstacles global adoption. On the other side, multitude of household industrial activities generate substantial volumes wastewater containing both organic inorganic contaminants. This not only poses threat but also presents opportunities get benefits from circular economy. Main body abstract Production bioplastics may be improved by using nutrients minerals feedstock for microbial fermentation. Strategies like feast-famine culture, mixed-consortia integrated processes have been developed PHA highly polluted with high loads. Various process parameters loading rate, content (volatile fatty acids), dissolved oxygen, operating pH, temperature critical roles accumulation biomass. Research advances are going on downstream recovery utilizing combination physical chemical (halogenated solvents, surfactants, green solvents) methods. review highlights recent developments upcycling resources into PHA, encompassing various strategies, processing methodologies, techno-economic analyses. Short conclusion Organic carbon nitrogen promising, cost-effective source producing bioplastic. Previous attempts focused enhancing productivity through optimizing culture systems growth conditions. However, despite technological progress, challenges persist, such low productivity, intricate processing, scalability issues, properties resulting PHA. Graphical

Язык: Английский

Процитировано

14

Process Integration for the Production of Bioplastic Monomer: Techno-Economic Analysis and Life-Cycle Assessment DOI
Yong Yang, Kyeongjun Seo, Joseph Sang‐Il Kwon

и другие.

ACS Sustainable Chemistry & Engineering, Год журнала: 2024, Номер 12(30), С. 11167 - 11180

Опубликована: Июль 11, 2024

Язык: Английский

Процитировано

13

Recycling Technologies for Biopolymers: Current Challenges and Future Directions DOI Open Access
Adenike A. Akinsemolu,

Adetola M. Idowu,

Helen Onyeaka

и другие.

Polymers, Год журнала: 2024, Номер 16(19), С. 2770 - 2770

Опубликована: Сен. 30, 2024

Plastic pollution is a major driver of climate change that associated with biodiversity loss, greenhouse gas emissions, and negative soil, plant, animal, human health. One the solutions has been proposed currently reducing adverse effects plastic on planet replacement synthetic plastics biopolymers. The biodegradable polymers have adapted for most applications plastic. However, their use disposal present some sustainability challenges. Recycling emerges as an effective way promoting biopolymer use. In this article, we review recycling viable solution to improve biopolymers, emphasizing current types technologies employed in challenges faced adoption. Our exploration future directions conversion biopolymers into new reuse establishes connection between established continuous technological innovation, integration circular economy models, establishment strengthening collaborations among key stakeholders relevant industries necessary steps adoption, full utilization, improvement By connecting these factors, study lays foundation roadmap improved processes promote alternatives.

Язык: Английский

Процитировано

13

Comprehensive analysis of bioplastics: life cycle assessment, waste management, biodiversity impact, and sustainable mitigation strategies DOI Creative Commons
Kushi Yadav, Ganesh C. Nikalje

PeerJ, Год журнала: 2024, Номер 12, С. e18013 - e18013

Опубликована: Сен. 11, 2024

Bioplastics are emerging as a promising alternative to traditional plastics, driven by the need for more sustainable options. This review article offers an in-depth analysis of entire life cycle bioplastics, from raw material cultivation manufacturing and disposal, with focus on environmental impacts at each stage. It emphasizes significance adopting agricultural practices selecting appropriate feedstock improve outcomes. The highlights detrimental effects unsustainable farming methods, such pesticide use deforestation, which can lead soil erosion, water pollution, habitat destruction, increased greenhouse gas emissions. To address these challenges, advocates efficient extraction techniques renewable energy sources, prioritizing considerations throughout production process. Furthermore, methods reducing consumption, usage, chemical inputs during implementing eco-friendly technologies. stresses importance developing robust disposal systems biodegradable materials supports recycling initiatives minimize new resources. holistic approach sustainability, including responsible cultivation, practices, effective end-of-life management. underscores evaluate potential bioplastics reduce plastic considering technological advancements, infrastructure development, consumer awareness. Future research should enhancing understanding long-term ecological impacts, advancing technology better performance compatibility. comprehensive bioplastics' footprint urgent solutions in production.

Язык: Английский

Процитировано

10

Synthesis, Modification, and Applications of Poly(vinyl chloride) (PVC) DOI
Ahmed K. Hussein, Emad Yousif,

Malath Khalaf Rasheed

и другие.

Polymer-Plastics Technology and Materials, Год журнала: 2024, Номер unknown, С. 1 - 40

Опубликована: Ноя. 1, 2024

One of the polymers with biggest production volume is poly(vinyl chloride) (PVC) considering their versatility, durability, lightweight, as well low cost production, plastics have recently become an essential part everyone's daily life. However, increased and usage poses significant environmental problems because incomplete utilization, a lengthy biodegradation period, detrimental effects on living things. This study examines latest findings in PVC research, including its properties, polymerization, modification, recycling, diverse applications. It has been proposed that during along application both inorganic organic thermal stabilizers, can mitigate some basic limiting characteristics PVC. chemistry extended by vast continuous study, mainly chemical transformations this polymeric material. describes modification using different materials active modifying agent. The latter included substitutions, modifications, nucleophilic radicals, removal or dehydrochlorination, grafting polymerizations. PVC's consequences are examined, overview functionalization provided article, discussion main reactivity trends lens recycling.

Язык: Английский

Процитировано

10

A comprehensive review on exposure to toxins and health risks from plastic waste: Challenges, mitigation measures, and policy interventions DOI Creative Commons

Salia S. Sheriff,

Abdulfatah Abdu Yusuf, Oluwole Akiyode

и другие.

Waste Management Bulletin, Год журнала: 2025, Номер unknown, С. 100204 - 100204

Опубликована: Апрель 1, 2025

Язык: Английский

Процитировано

1

Agro-Waste-Derived Bioplastics: Sustainable Innovations for a Circular Economy DOI
Yugal Kishore Mohanta, Awdhesh Kumar Mishra,

N. S. V. Lakshmayya

и другие.

Waste and Biomass Valorization, Год журнала: 2025, Номер unknown

Опубликована: Апрель 26, 2025

Язык: Английский

Процитировано

1