Chemical Upcycling of Waste Plastics to High Value‐Added Products via Pyrolysis: Current Trends, Future Perspectives, and Techno‐Feasibility Analysis

Hussain, I.; Aitani, Abdullah M.; Malaibari, Zuhair; Alasiri, Hassan; Akhtar, M. Naseem; Aldosari, Obaid F.; Ahmed, Shakeel

doi:10.1002/tcr.202200294

Cited by 6 publications

(6 citation statements)

References 231 publications

(378 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…VCM produced through pyrolysis can be used as a precursor for the synthesis of new PVC, thereby closing the loop in the PVC life cycle and reducing the dependence on virgin materials 154 . Moreover, pyrolysis can yield valuable by‐products such as syngas (a mixture of hydrogen and carbon monoxide) and liquid fuels, which have applications in energy generation or as raw materials in other industries 156–158 …”

Section: Conventional Pvc Recycling Methodsmentioning

confidence: 99%

Recent advances in polyvinyl chloride (PVC) recycling

Ait‐Touchente,

Khellaf,

Raffin

et al. 2023

Polymers for Advanced Techs

View full text Add to dashboard Cite

Polyvinyl chloride (PVC) recycling is crucial for mitigating the environmental impact of PVC wastes, which take decades to decompose in landfills. This review examines the current state of PVC recycling processes, focusing on challenges and future research opportunities. It explores the types and sources of PVC wastes, including post‐consumer, industrial, and construction wastes. Conventional recycling methods such as mechanical, thermal, and chemical recycling are discussed, highlighting their advantages, limitations, and successful applications. Furthermore, recent advances in PVC recycling, including biological, plasma‐assisted, and solvent‐based recycling, are explored, considering their potential benefits and challenges. The review emphasizes the European context of PVC recycling, as the region has implemented regulatory initiatives and collaborations. It points out the Circular Economy Action Plan and directives targeting PVC waste management, which have promoted recycling and established a supportive framework. Challenges of current PVC recycling methods and technologies, such as low yield and high energy consumption, are identified. The review calls for the development of efficient and cost‐effective recycling technologies, along with improvements in recycling infrastructure and consumer awareness. Assessing the environmental and economic impacts, PVC recycling significantly reduces greenhouse gas emissions and conserves resources compared to virgin PVC production. The economic benefits include job creation and reduced raw material costs.

show abstract

Section: Conventional Pvc Recycling Methodsmentioning

confidence: 99%

Recent advances in polyvinyl chloride (PVC) recycling

Ait‐Touchente,

Khellaf,

Raffin

et al. 2023

Polymers for Advanced Techs

View full text Add to dashboard Cite

show abstract

“…2 PLA is not biodegradable in mesophilic digestion. 3 For more details of the environmental conditions, refer to the original documents. Reproduced with permission from ref 130.…”

Section: Poly(hydroxy Alkanoates) (Phas)mentioning

confidence: 99%

“…However, their durability and resistance to degradation cause end-of-life issues . As a result, the environment faces a significant threat due to the vast amount of plastic waste and the challenges associated with its disposal .…”

Section: Introduction: Sources Magnitude and Fate Of Plastics In The ...mentioning

confidence: 99%

“…2 As a result, the environment faces a significant threat due to the vast amount of plastic waste and the challenges associated with its disposal. 3 Our World in Data reported that 9,500 million tons of plastics have been cumulatively produced from 1950 to 2019. 4 Among the plastics accumulation from 1950 to 2017, 5,300 million tons of plastics had discarded as waste, and only 600 million tons had been recycled.…”

Section: Introduction: Sources Magnitude and Fate Of Plastics In The ...mentioning

confidence: 99%

“…PHB includes its copolymers 2. PLA is not biodegradable in mesophilic digestion 3. For more details of the environmental conditions, refer to the original documents.…”

mentioning

confidence: 99%

See 2 more Smart Citations

A Review of Biodegradable Plastics: Chemistry, Applications, Properties, and Future Research Needs

et al. 2023

View full text Add to dashboard Cite

Environmental concerns over waste plastics’ effect on the environment are leading to the creation of biodegradable plastics. Biodegradable plastics may serve as a promising approach to manage the issue of environmental accumulation of plastic waste in the ocean and soil. Biodegradable plastics are the type of polymers that can be degraded by microorganisms into small molecules (e.g., H2O, CO2, and CH4). However, there are misconceptions surrounding biodegradable plastics. For example, the term “biodegradable” on product labeling can be misconstrued by the public to imply that the product will degrade under any environmental conditions. Such misleading information leads to consumer encouragement of excessive consumption of certain goods and increased littering of products labeled as “biodegradable”. This review not only provides a comprehensive overview of the state-of-the-art biodegradable plastics but also clarifies the definitions and various terms associated with biodegradable plastics, including oxo-degradable plastics, enzyme-mediated plastics, and biodegradation agents. Analytical techniques and standard test methods to evaluate the biodegradability of polymeric materials in alignment with international standards are summarized. The review summarizes the properties and industrial applications of previously developed biodegradable plastics and then discusses how biomass-derived monomers can create new types of biodegradable polymers by utilizing their unique chemical properties from oxygen-containing functional groups. The terminology and methodologies covered in the paper provide a perspective on directions for the design of new biodegradable polymers that possess not only advanced performance for practical applications but also environmental benefits.

show abstract

Chemical Upcycling of Polyolefins through C−H Functionalization

Zhao,

Li,

Jiang

2023

Eur J Org Chem

View full text Add to dashboard Cite

Polyolefins consist of abundant hydrophobic C−C and C−H bonds, and are considered as immensely potential untapped resources. Chemical upcycling offers a convenient and promising recycling strategy of polyolefins to produce newly‐functionalized polymeric materials, and high‐value added chemicals. The significant progress made in C–H functionalization reactions of alkane molecules provides new opportunities for improving polyolefin treatments. This review focuses on recent advancements in post‐modification routes, specifically the introduction of C–C and C–X (X = O, N, S, halogens and etc.) bonds onto polyolefin chain backbones, as well as degradation models involving homogeneous C–H functionalization. By emphasizing these developments, we aim to highlight the potential of chemical upcycling for enhancing the treatment of polyolefins.

show abstract

Chemical Upcycling of Waste Plastics to High Value‐Added Products via Pyrolysis: Current Trends, Future Perspectives, and Techno‐Feasibility Analysis

Cited by 6 publications

References 231 publications

Recent advances in polyvinyl chloride (PVC) recycling

Recent advances in polyvinyl chloride (PVC) recycling

A Review of Biodegradable Plastics: Chemistry, Applications, Properties, and Future Research Needs

Chemical Upcycling of Polyolefins through C−H Functionalization

Contact Info

Product

Resources

About