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Our plastic problem : a call for global solutions
\"Part of the nonfiction Orca Footprints series for middle-grade readers and illustrated with color photographs throughout, this book explores the history, uses and problems with plastic.\"-- Provided by publisher.
BOOK
Plastic waste and recycling : environmental impact, societal issues, prevention, and solutions
Plastic Waste and Recycling: Environmental Impact, Societal Issues, Prevention, and Solutions begins with an introduction to the different types of plastic materials, their uses, and the concepts of reduce, reuse and recycle before examining plastic types, chemistry and degradation patterns that are organized by non-degradable plastic, degradable and biodegradable plastics, biopolymers and bioplastics. Other sections cover current challenges relating to plastic waste, explain the sources of waste and their routes into the environment, and provide systematic coverage of plastic waste treatment methods, including mechanical processing, monomerization, blast furnace feedstocks, gasification, thermal recycling, and conversion to fuel. This is an essential guide for anyone involved in plastic waste or recycling, including researchers and advanced students across plastics engineering, polymer science, polymer chemistry, environmental science, and sustainable materials.
eBook
Transboundary Trade in Plastic Waste and Environmental Concerns: A Case Study from Thailand
Thailand has ratified the Basel Convention and is adhering to its restrictions on the importation of plastic scrap. The Thai government has enforced limitations to decrease the influx of plastic scrap imports, thereby protecting the ecosystem. However, Thailand has emerged as a prominent global hub for the export of plastic waste due to its tax-free zone plastic recycling programs and China’s ban on such imports in 2018. Thailand’s importation of plastic waste for recycling has caused worries due to the accumulation of plastic garbage in the environment. Plastic can be found in seafood, drinking water, rivers, sediments, and wastewater treatment facilities. Thailand is becoming more cautious about importing plastic scraps for recycling due to concerns over the health hazards associated with contaminated plastic. The importation of plastic can significantly impact those engaged in the collection and trade of plastic scrap. Consequently, there are discrepancies in both company operations and plastic management. The ban on plastic scrap imports in Thailand set for 2025 is expected to reduce environmental and human health issues; however, it may also impact the plastic recycling industries and economies both regionally and globally. To address the issue of plastic waste infiltrating the global environment, all nations need to work together at both the regional and global levels to establish effective plastic waste management practices, avoiding the practice of transferring plastic waste to other countries.
Journal Article
Feedstock Recycling of Plastic Wastes
This book examines the conversion of plastic wastes into valuable chemicals useful as fuels or raw materials. It also describes the alternatives in areas including chemical depolymerization, thermal processes, oxidation and hydrogenation. Besides conventional treatments, new technological approaches for the degradation of plastics, such as conversion under supercritical conditions and coprocessing with coal, are discussed. In addition, it has been recently updated with 24 digitized graphs covering boiling point, atom distribution, dehydrochlorination, and more
eBook
Feedstock recycling of plastic wastes
The use of plastic materials has seen a massive increase in recent years, and generation of plastic wastes has grown proportionately. Recycling of these wastes to reduce landfill disposal is problematic due to the wide variation in properties and chemical composition among the different types of plastics. Feedstock recycling is one of the alternatives available for consideration, and Feedstock Recycling of Plastic Wastes looks at the conversion of plastic wastes into valuable chemicals useful as fuels or raw materials. Looking at both scientific and technical aspects of the recycling developments, this book describes the alternatives available. Areas include chemical depolymerization, thermal processes, oxidation and hydrogenation. Besides conventional treatments, new technological approaches for the degradation of plastics, such as conversion under supercritical conditions and coprocessing with coal are discussed. This book is essential reading for those involved in plastic recycling, whether from an academic or industrial perspective. Consultants and government agencies will also find it immensely useful.
eBook
Sustainable Solutions Through Innovative Plastic Waste Recycling Technologies
Innovation in plastic waste recycling technologies is essential for tackling the environmental challenges of plastic pollution. Traditional plastic waste management strategies, such as landfill disposal and mechanical recycling, are increasingly recognized as insufficient for addressing the problem’s complexity and scale. This review highlights advanced methods that transform plastic waste into valuable resources, aligning with circular economy principles. I focus on cutting-edge technologies such as chemical recycling that convert mixed and contaminated plastics back into monomers for new production. Biological approaches utilizing enzymes and microorganisms are studied for their potential to biodegrade resistant plastics like PET. Additionally, mechanical innovations like advanced sorting techniques leveraging AI and compatibilization strategies that enhance the quality of recycled materials are discussed. By analyzing recent developments and practical applications, effective and economically viable solutions are identified. These findings emphasize that ongoing technological advancements, supported by robust policies and stakeholder collaboration, are crucial for reducing plastic waste and advancing toward a sustainable circular economy.
Journal Article
The Key to Solving Plastic Packaging Wastes: Design for Recycling and Recycling Technology
Confronted with serious environmental problems caused by the growing mountains of plastic packaging waste, the prevention and control of plastic waste has become a major concern for most countries. In addition to the recycling of plastic wastes, design for recycling can effectively prevent plastic packaging from turning into solid waste at the source. The reasons are that the design for recycling can extend the life cycle of plastic packaging and increase the recycling values of plastic waste; moreover, recycling technologies are helpful for improving the properties of recycled plastics and expanding the application market for recycled materials. This review systematically discussed the present theory, practice, strategies, and methods of design for recycling plastic packaging and extracted valuable advanced design ideas and successful cases. Furthermore, the development status of automatic sorting methods, mechanical recycling of individual and mixed plastic waste, as well as chemical recycling of thermoplastic and thermosetting plastic waste, were comprehensively summarized. The combination of the front-end design for recycling and the back-end recycling technologies can accelerate the transformation of the plastic packaging industry from an unsustainable model to an economic cycle model and then achieve the unity of economic, ecological, and social benefits.
Journal Article
Impacts of Plastic Pollution on Ecosystem Services, Sustainable Development Goals, and Need to Focus on Circular Economy and Policy Interventions
Plastic pollution is ubiquitous in terrestrial and aquatic ecosystems. Plastic waste exposed to the environment creates problems and is of significant concern for all life forms. Plastic production and accumulation in the natural environment are occurring at an unprecedented rate due to indiscriminate use, inadequate recycling, and deposits in landfills. In 2019, the global production of plastic was at 370 million tons, with only 9% of it being recycled, 12% being incinerated, and the remaining left in the environment or landfills. The leakage of plastic wastes into terrestrial and aquatic ecosystems is occurring at an unprecedented rate. The management of plastic waste is a challenging problem for researchers, policymakers, citizens, and other stakeholders. Therefore, here, we summarize the current understanding and concerns of plastics pollution (microplastics or nanoplastics) on natural ecosystems. The overall goal of this review is to provide background assessment on the adverse effects of plastic pollution on natural ecosystems; interlink the management of plastic pollution with sustainable development goals; address the policy initiatives under transdisciplinary approaches through life cycle assessment, circular economy, and sustainability; identify the knowledge gaps; and provide current policy recommendations. Plastic waste management through community involvement and socio-economic inputs in different countries are presented and discussed. Plastic ban policies and public awareness are likely the major mitigation interventions. The need for life cycle assessment and circularity to assess the potential environmental impacts and resources used throughout a plastic product’s life span is emphasized. Innovations are needed to reduce, reuse, recycle, and recover plastics and find eco-friendly replacements for plastics. Empowering and educating communities and citizens to act collectively to minimize plastic pollution and use alternative options for plastics must be promoted and enforced. Plastic pollution is a global concern that must be addressed collectively with the utmost priority.
Journal Article
Recycling of Plastic Waste: A Systematic Review Using Bibliometric Analysis
Research into plastic recycling is rapidly increasing as ocean and land pollution and ecosystem degradation from plastic waste is becoming a serious concern. In this study, we conducted a systematic review on emerging research topics, which were selected from 35,519 studies on plastic recycling by bibliometrics analysis. Our results show that research on the biodegradability of plastics, bioplastics, life cycle assessment, recycling of electrical and electronic equipment waste, and the use of recycled plastics in construction has increased rapidly in recent years, particularly since 2016. Especially, biodegradability is the most emerging topic with the average year of publication being 2018. Our key finding is that many research area is led by developed countries, while the use of recycled plastics in the construction sector is being actively explored in developing countries. Based on our results, we discuss two types of recycling systems: responsible recycling in the country where plastic waste is generated and promoting recycling through the international division of labor between developed and developing countries. We discuss the advantages and disadvantages of both approaches and propose necessary measures for sustainable and responsible production and consumption of plastics such as waste traceability system and technology transfer between developed and developing countries.
Journal Article
Dynamic polymer network points the way to truly recyclable plastics
Crosslinked polymer networks known as thermoset plastics have many applications, but can’t be reshaped or recycled. A thermoset with reorganizable crosslinks retains its useful properties, but has recyclability built in.
Thermosets that can be converted back to their monomers.
Journal Article