4.6 Review

Recent Advancements in Plastic Packaging Recycling: A Mini-Review

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Does microplastic really represent a threat? A review of the atmospheric contamination sources and potential impacts

Stephen Nyabire Akanyange et al.

Summary: Microplastics are considered a major atmospheric contaminant, predominantly in the form of fibers and synthetic textiles, posing potential health impacts on humans. However, data on their presence and health effects remain limited.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

Review Chemistry, Analytical

Laser induced breakdown spectroscopy for plastic analysis

Qiang Zeng et al.

Summary: LIBS has been established as a potential tool for rapid grading of plastics online and a powerful tool for plastic investigations in the laboratory. The review describes the development and prospect of plastic investigations using LIBS, highlighting its intrinsic advantages and discussing the selection of hardware components and analysis methods.

TRAC-TRENDS IN ANALYTICAL CHEMISTRY (2021)

Review Food Science & Technology

Bio-sourced polymers as alternatives to conventional food packaging materials: A review

Saurabh Sid et al.

Summary: Bio-sourced packaging materials are emerging as an alternative to conventional polymers, with natural feedstock-based biopolymers economically competitive due to their wide availability, easy processing, biodegradability, and good mechanical properties. Bio-based polyesters offer diverse alternatives with varying degrees of biodegradability. However, bio-based drop-in plastics remain the market leader for their excellent physical properties, cost-effectiveness, and durability.

TRENDS IN FOOD SCIENCE & TECHNOLOGY (2021)

Article Food Science & Technology

Perspectives on sustainable food packaging:- is bio-based plastics a solution?

Ana C. Mendes et al.

Summary: This manuscript presents the key parameters and methods for sustainable food packaging, highlighting the positive impact of using bio-based plastic packaging materials. However, other environmental impacts need to be considered, and the recycling of packaging material is essential to reduce its environmental and climate impacts.

TRENDS IN FOOD SCIENCE & TECHNOLOGY (2021)

Article Chemistry, Physical

Efficient Triazine Derivatives for Collagenous Materials Stabilization

Vanessa Gatto et al.

Summary: This study presents a simple protocol for collagen stabilization using CDET and a tertiary amine, resulting in high-quality leather with improved environmental performance. Different tertiary amines were tested in combination with CDET and the best performing condensation systems were further tested for cross-linking collagen powder and calf hides. The most successful results were achieved with CDET/NMM combination.

MATERIALS (2021)

Review Biotechnology & Applied Microbiology

Progressing Plastics Circularity: A Review of Mechano-Biocatalytic Approaches for Waste Plastic (Re)valorization

Efstratios Nikolaivits et al.

Summary: By transferring analogs from natural biology to science and engineering, innovative technologies have been developed to tackle the global petroleum-based plastic waste challenges. Mechanical/green chemical pretreatment methods can enhance microbial degradation and depolymerization of plastics. Combining mechano-green chemical treatments with enzymatic and microbial actions is crucial for effectively completing the life-cycle for plastics.

FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY (2021)

Article Green & Sustainable Science & Technology

The role of plastic concerning the sustainable development goals: The literature point of view

Fabiula Danielli Bastos de Sousa

Summary: Plastic plays a crucial role in modern society, providing convenience and safety but also causing negative impacts. This paper critically examines the role of plastic in achieving the Sustainable Development Goals of the 2030 Agenda and attempts to outline a future scenario based on bibliometric mapping and analysis.

CLEANER AND RESPONSIBLE CONSUMPTION (2021)

Article Engineering, Environmental

Classification of Common Household Plastic Wastes Combining Multiple Methods Based on Near-Infrared Spectroscopy

Qinyuan Duan et al.

Summary: This study aimed to classify seven common household plastic types using NIR spectroscopy, showing that all methods performed well on virgin samples but may have misclassifications on waste plastics, especially between HDPE and LDPE, and PET and PC. Specific spectral bands were reselected for improved classification of these prone-to-misidentification types.

ACS ES&T ENGINEERING (2021)

Article Chemistry, Multidisciplinary

Towards circular carbo-chemicals - the metamorphosis of petrochemicals

J. -P. Lange

Summary: The petrochemical industry, one of the world's largest industries, is transitioning towards sustainability while facing challenges such as shifting hydrocarbon stocks, climate change, and circular economy. As the energy sector transitions, the chemical industry is expected to use more low-carbon feedstocks and reduce CO2 emissions through efficiency improvements, electrification, and switching to renewable energy. Additionally, the industry is moving towards more sustainable production while still needing fresh carbon to feed growth, potentially coming from renewable sources like biomass or direct CO2 capture and utilization.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

Article Chemistry, Multidisciplinary

Catalytic hydrocracking of synthetic polymers into grid-compatible gas streams

Wei-Tse Lee et al.

Summary: The study describes a Ru-modified zeolite catalyst that can transform plastic waste into high-purity methane and proposes a new mechanism. This plastic-to-methane process is expected to increase the recycling of plastic waste and can be integrated into natural gas networks.

CELL REPORTS PHYSICAL SCIENCE (2021)

Article Chemistry, Multidisciplinary

Microbial synthesis of vanillin from waste poly(ethylene terephthalate)

Joanna C. Sadler et al.

Summary: This study reports a novel approach to directly upcycle post-consumer PET waste into valuable vanillin using engineered Escherichia coli. After process optimization, a conversion rate of 79% from terephthalic acid to vanillin was achieved, marking a significant improvement in yield. This work demonstrates the first biological upcycling of post-consumer plastic waste into vanillin, showcasing the potential for sustainable solutions in the plastic recycling industry.

GREEN CHEMISTRY (2021)

Article Computer Science, Artificial Intelligence

Deep Learning for Plastic Waste Classification System

Janusz Bobulski et al.

Summary: Plastic waste management is a global challenge, and scientists are working on automated sorting methods to improve recycling efficiency, but face difficulties in separating different material types.

APPLIED COMPUTATIONAL INTELLIGENCE AND SOFT COMPUTING (2021)

Article Green & Sustainable Science & Technology

How circular are plastics in the EU?: MFA of plastics in the EU and pathways to circularity

Wan-Ting Hsu et al.

Summary: The research provides an overview of plastic flows in the EU and discusses strategies for redirecting the plastic system towards more circular pathways. It highlights the importance of improving plastic circularity by better understanding and managing plastic flows.

CLEANER ENVIRONMENTAL SYSTEMS (2021)

Review Chemistry, Multidisciplinary

Chemolytic depolymerisation of PET: a review

Elaine Barnard et al.

Summary: Developing new methods for plastic recycling is crucial for reducing CO2 emissions and improving resource efficiency. Chemical recycling, which involves depolymerization to reclaim original components, is gaining attention as a viable route. Lowering the energy barrier for depolymerization through catalysts under mild conditions is a key focus of research in this field.

GREEN CHEMISTRY (2021)

Review Chemistry, Multidisciplinary

Catalytic methods for chemical recycling or upcycling of commercial polymers

Sophia C. Kosloski-Oh et al.

Summary: Polymers have transformed our lives by providing inexpensive and versatile materials, but their longevity has led to environmental issues. Chemical recycling and upcycling are promising methods for dealing with polymer waste, but they are often cost-prohibitive. Catalysts can improve product selectivity in chemical recycling and upcycling processes.

MATERIALS HORIZONS (2021)

Article Chemistry, Multidisciplinary

Upcycling of post-consumer polyolefin plastics to covalent adaptable networks via in situ continuous extrusion cross-linking

Sheng Wang et al.

Summary: A green and efficient method combining grafting and reversible cross-linking was designed to upcycle post-consumer plastic bags into covalent adaptable networks with superior performance and reprocessability at elevated temperatures. The produced materials show great potential for industrial scale use.

GREEN CHEMISTRY (2021)

Article Chemistry, Multidisciplinary

Tandem catalyzing the hydrodeoxygenation of 5-hydroxymethylfurfural over a Ni3Fe intermetallic supported Pt single-atom site catalyst

Ge Meng et al.

Summary: A single-atom site catalyst (SAC) with dual reactive sites of isolated Pt single atoms and the Ni3Fe intermetallic support (Pt-1/Ni3Fe IMC) was reported for tandem catalysis of the hydrodeoxygenation of 5-hydroxymethylfurfural (5-HMF), exhibiting high catalytic performance at a low reaction temperature. Experimental and computational studies confirmed that Pt-1/Ni3Fe IMC can facilitate the hydrodeoxygenation reaction through a tandem mechanism.

CHEMICAL SCIENCE (2021)

Article Chemistry, Multidisciplinary

From sugars to FDCA: a techno-economic assessment using a design concept based on solvent selection and carbon dioxide emissions

Amir Al Ghatta et al.

Summary: The production of 2,5-furandicarboxylic acid (FDCA) from sugars for the replacement of PET by PEF faces challenges related to the stability and isolation of the precursor HMF. Different solvents have varying impacts on cost, emissions, and commercial viability. A two-step, one-pot reaction is shown to be an economically and environmentally feasible solution, making FDCA competitive with terephthalic acid. Further research is needed to optimize the process and reduce emissions.

GREEN CHEMISTRY (2021)

Proceedings Paper Materials Science, Multidisciplinary

Tertiary and quaternary recycling of thermoplastics by additive manufacturing approach for thermal sustainability

Ranvijay Kumar

Summary: This study reviews the application of additive manufacturing tools and techniques for the ternary and quaternary recycling of thermoplastic waste. In the recycling process, chemical and thermal recycling are considered important methods, with additive manufacturing being a significant innovation tool in modern manufacturing.

MATERIALS TODAY-PROCEEDINGS (2021)

Article Environmental Studies

Future-Proofing Capitalism: The Paradox of the Circular Economy for Plastics

Henrike Knappe et al.

Summary: The article examines how the marine plastics crisis has led to corporate interest in the circular economy as a sustainable business model to eliminate waste. It highlights how companies in the plastics sector are coordinating efforts to promote circular economy policies while protecting capitalism against threats. The article concludes by emphasizing the need to address the plastic crisis at its root by reducing global production of toxic and wasteful plastics.

GLOBAL ENVIRONMENTAL POLITICS (2021)

Article Engineering, Environmental

Engineering terephthalic acid product from recycling of PET bottles waste for downstream operations

Hung Lin Lee et al.

Summary: The study aimed to engineer the product properties of TPA to improve downstream operations, focusing on the effects of TPA crystal size on filtration and drying behaviors. By optimizing processing steps, the specific cake resistance of TPA was significantly improved and the drying time was reduced.

CHEMICAL ENGINEERING JOURNAL ADVANCES (2021)

Article Chemistry, Multidisciplinary

One-step sustainable synthesis of cationic high-swelling polymers obtained from starch-derived maltodextrins

Claudio Cecone et al.

Summary: Most starch-derived maltodextrins have good water solubility, but their use is limited when specific mechanical properties are needed, especially when working in aqueous media. Researchers have attempted to cross-link these polysaccharides to obtain cross-linked polymers, with non-toxic and biocompatible water-soluble diglycidyl ethers showing promising performance in this regard.

RSC ADVANCES (2021)

Review Green & Sustainable Science & Technology

An Overview of Plastic Waste Generation and Management in Food Packaging Industries

Lindani Koketso Ncube et al.

Summary: This paper provides an overview of the use, disposal, and regulation of food packaging plastics, highlighting the impact on the environment and ways to address it. The importance of reducing plastic pollution, promoting circular economy, and taking a holistic approach to waste management is emphasized.

RECYCLING (2021)

Article Chemistry, Multidisciplinary

Low-energy catalytic methanolysis of poly(ethyleneterephthalate)

Duong Dinh Pham et al.

Summary: In this study, a low-energy catalytic route for methanolysis to convert PET resin to DMT was developed, achieving high DMT selectivity at ambient temperature by controlling the moisture level. The PET depolymerization apparently proceeded through two series of reaction steps, and the degradation of PET had a relatively low activation energy of 66.5 kJ mol(-1), which was accountable for catalytic methanolysis of PET at ambient conditions.

GREEN CHEMISTRY (2021)

Article Chemistry, Multidisciplinary

Conversion of Polyolefin Waste to Liquid Alkanes with Ru-Based Catalysts under Mild Conditions

Julie E. Rorrer et al.

Summary: Chemical upcycling of waste polyolefins via hydrogenolysis using Ru/C catalysts demonstrates high activity and selectivity in the conversion of polyethylene into liquid alkanes and light alkane gases under mild conditions. The study also shows the feasibility of producing C-7-C-45 alkanes from long chain, low-density polyethylene and postconsumer LDPE plastic bottles, providing promising pathways for plastic waste valorization using Ru-based catalysts.

JACS AU (2021)

Review Chemistry, Multidisciplinary

Biodegradable Plastics: Standards, Policies, and Impacts

Layla Filiciotto et al.

Summary: Plastics are everywhere and have both improved our lives and posed threats to the environment and health. Biodegradable plastics offer a solution to reduce climate change, microplastics, and littering issues. However, they still make up a small portion of the global plastics market and require more research and commercialization efforts.

CHEMSUSCHEM (2021)

Article Environmental Sciences

Catalytic Glycolysis of Poly(ethylene terephthalate) Using Zinc and Cobalt Oxides Recycled from Spent Batteries

Cynthia A. Fuentes et al.

WASTE AND BIOMASS VALORIZATION (2020)

Article Chemistry, Analytical

Pyrolysis of plastic waste: Opportunities and challenges

Muhammad Saad Qureshi et al.

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS (2020)

Review Chemistry, Multidisciplinary

Beyond Mechanical Recycling: Giving New Life to Plastic Waste

Ina Vollmer et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Article Green & Sustainable Science & Technology

Integrating Circularity in the Sustainability Assessment of Asphalt Mixtures

Konstantinos Mantalovas et al.

SUSTAINABILITY (2020)

Article Chemistry, Physical

Closed-Loop Recycling of Polymers Using Solvents Remaking plastics for a circular economy

James Sherwood

JOHNSON MATTHEY TECHNOLOGY REVIEW (2020)

Article Multidisciplinary Sciences

An engineered PET depolymerase to break down and recycle plastic bottles

V. Tournier et al.

NATURE (2020)

Article Engineering, Chemical

ZnO nanodispersion as pseudohomogeneous catalyst for alcoholysis of polyethylene terephthalate

Jin-Tao Du et al.

CHEMICAL ENGINEERING SCIENCE (2020)

Article Chemistry, Multidisciplinary

Polyethylene Terephthalate Deconstruction Catalyzed by a Carbon-Supported Single-Site Molybdenum-Dioxo Complex

Yosi Kratish et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Article Chemistry, Multidisciplinary

Glycolysis of PET Using 1,3-Dimethylimidazolium-2-Carboxylate as an Organocatalyst

Lei Wang et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2020)

Article Materials Science, Multidisciplinary

The Separation of Aluminum and Stainless-Steel Scraps Using Vibrating Mixed-Size Ball Bed

Hyunjin Na et al.

METALS (2020)

Review Environmental Sciences

The Role of Legislation, Regulatory Initiatives and Guidelines on the Control of Plastic Pollution

Joao Pinto da Costa et al.

FRONTIERS IN ENVIRONMENTAL SCIENCE (2020)

Article Environmental Sciences

Recycling of European plastic is a pathway for plastic debris in the ocean

George Bishop et al.

ENVIRONMENT INTERNATIONAL (2020)

Article Multidisciplinary Sciences

Characterization and engineering of a two-enzyme system for plastics depolymerization

Brandon C. Knott et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2020)

Article Engineering, Environmental

Plastics Are an Insignificant Carrier of Riverine Organic Pollutants to the Coastal Oceans

Lei Mai et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2020)

Review Green & Sustainable Science & Technology

Chemical and physical modifications of starch for renewable polymeric materials

E. Ojogbo et al.

MATERIALS TODAY SUSTAINABILITY (2020)

Article Chemistry, Multidisciplinary

Towards closed-loop recycling of multilayer and coloured PET plastic waste by alkaline hydrolysis

Sibel Ugduler et al.

GREEN CHEMISTRY (2020)

Article Chemistry, Multidisciplinary

Degradation of poly(ethylene terephthalate) catalyzed by metal-free choline-based ionic liquids

Yachan Liu et al.

GREEN CHEMISTRY (2020)

Article Chemistry, Multidisciplinary

Organocatalysis for versatile polymer degradation

Paul McKeown et al.

GREEN CHEMISTRY (2020)

Review Polymer Science

Advances and approaches for chemical recycling of plastic waste

Timmy Thiounn et al.

JOURNAL OF POLYMER SCIENCE (2020)

Article Polymer Science

Dual-catalytic depolymerization of polyethylene terephthalate (PET)

Kayla R. R. Delle Chiaie et al.

POLYMER CHEMISTRY (2020)

Article Green & Sustainable Science & Technology

Role of power to liquids and biomass to liquids in a nearly renewable energy system

Jussi Ikaheimo et al.

IET RENEWABLE POWER GENERATION (2019)

Article Green & Sustainable Science & Technology

An overview of the problems posed by plastic products and the role of extended producer responsibility in Europe

Walter Leal Filho et al.

JOURNAL OF CLEANER PRODUCTION (2019)

Article Chemistry, Analytical

Catalytic pyrolysis of waste packaging polyethylene using AlCl3-NaCl eutectic salt as catalyst

Jian Su et al.

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS (2019)

Article Green & Sustainable Science & Technology

Barriers and challenges to plastics valorisation in the context of a circular economy: Case studies from Italy

Angelo Paletta et al.

JOURNAL OF CLEANER PRODUCTION (2019)

Review Multidisciplinary Sciences

Novel trends in plastic waste management

Christopher Igwe Idumah et al.

SN APPLIED SCIENCES (2019)

Article Social Sciences, Interdisciplinary

Future scenarios of global plastic waste generation and disposal

Laurent Lebreton et al.

PALGRAVE COMMUNICATIONS (2019)

Article Energy & Fuels

Catalytic Pyrolysis of Plastic Waste: Moving Toward Pyrolysis Based Biorefineries

Rashid Miandad et al.

FRONTIERS IN ENERGY RESEARCH (2019)

Review Environmental Sciences

Biodegradation of plastics: current scenario and future prospects for environmental safety

Temoor Ahmed et al.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2018)

Article Engineering, Environmental

Circular economy of plastic packaging: Current practice and perspectives in Austria

Emile Van Eygen et al.

WASTE MANAGEMENT (2018)

Article Multidisciplinary Sciences

Bottle-grade polyethylene furanoate from ring-opening polymerisation of cyclic oligomers

Jan-Georg Rosenboom et al.

NATURE COMMUNICATIONS (2018)

Article Chemistry, Multidisciplinary

Pushing the Limits in Alcoholysis of Waste Polycarbonate with DBU-Based Ionic Liquids under Metal- and Solvent-Free Conditions

Mengshuai Liu et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2018)

Review Engineering, Environmental

A review on automated sorting of source-separated municipal solid waste for recycling

Sathish Paulraj Gundupalli et al.

WASTE MANAGEMENT (2017)

Article Multidisciplinary Sciences

Production, use, and fate of all plastics ever made

Roland Geyer et al.

SCIENCE ADVANCES (2017)

Review Chemistry, Multidisciplinary

Chemical recycling of waste plastics for new materials production

AliReza Rahimi et al.

NATURE REVIEWS CHEMISTRY (2017)

Article Materials Science, Multidisciplinary

Plastics Materials: Introduction and Historical Development

Marianne Gilbert

BRYDSON'S PLASTICS MATERIALS, 8TH EDITION (2017)

Article Multidisciplinary Sciences

Plastic waste inputs from land into the ocean

Jenna R. Jambeck et al.

SCIENCE (2015)

Article Engineering, Environmental

Biosynthesis of planet friendly bioplastics using renewable carbon source

Roopesh Jain et al.

JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (2015)

Article Engineering, Environmental

Environmental evaluation of plastic waste management scenarios

L. Rigamonti et al.

RESOURCES CONSERVATION AND RECYCLING (2014)