Expanding plastics recycling technologies: chemical aspects, technology status and challenges

H Li, HA Aguirre-Villegas, RD Allen, X Bai… - Green …, 2022 - pubs.rsc.org
Less than 10% of the plastics generated globally are recycled, while the rest are incinerated,
accumulated in landfills, or leak into the environment. New technologies are emerging to …

Catalytic Upcycling of Polyolefins

J Sun, J Dong, L Gao, YQ Zhao, H Moon… - Chemical …, 2024 - ACS Publications
The large production volumes of commodity polyolefins (specifically, polyethylene,
polypropylene, polystyrene, and poly (vinyl chloride)), in conjunction with their low unit …

Mixed plastics waste valorization through tandem chemical oxidation and biological funneling

KP Sullivan, AZ Werner, KJ Ramirez, LD Ellis… - Science, 2022 - science.org
Mixed plastics waste represents an abundant and largely untapped feedstock for the
production of valuable products. The chemical diversity and complexity of these materials …

Technical, economic, and environmental comparison of closed-loop recycling technologies for common plastics

T Uekert, A Singh, JS DesVeaux, T Ghosh… - ACS Sustainable …, 2023 - ACS Publications
Over 400 million metric tons of plastic waste are generated globally each year, resulting in
pollution and lost resources. Recycling strategies can recapture this wasted material, but …

Towards circular plastics within planetary boundaries

M Bachmann, C Zibunas, J Hartmann, V Tulus… - Nature …, 2023 - nature.com
The rapid growth of plastics production exacerbated the triple planetary crisis of habitat loss,
plastic pollution and greenhouse gas (GHG) emissions. Circular strategies have been …

Plastic waste valorization by leveraging multidisciplinary catalytic technologies

H Zhou, Y Wang, Y Ren, Z Li, X Kong, M Shao… - ACS …, 2022 - ACS Publications
Plastic waste triggers a series of concerns because of its disruptive impact on the
environment and ecosystem. From the point of view of catalysis, however, end-of-life plastics …

[HTML][HTML] Additive manufacturing for sustainability and circular economy: needs, challenges, and opportunities for 3D printing of recycled polymeric waste

A Al Rashid, M Koç - Materials Today Sustainability, 2023 - Elsevier
Polymer-based product usage rapidly increases globally, leading to severe ecological,
social, environmental, health, and economic impacts. There has been an international push …

Role of bifunctional Ru/acid catalysts in the selective hydrocracking of polyethylene and polypropylene waste to liquid hydrocarbons

JE Rorrer, AM Ebrahim, Y Questell-Santiago… - ACS …, 2022 - ACS Publications
Hydrogenolysis of C–C bonds over Ru-based catalysts has emerged as a deconstruction
strategy to convert single-use polyolefin waste to liquid alkanes at relatively mild conditions …

Quantification and evaluation of plastic waste in the United States

A Milbrandt, K Coney, A Badgett… - Resources, Conservation …, 2022 - Elsevier
To develop viable solutions for reducing plastic waste, spatially explicit data on the
management of these materials are critical. Here we employ statistical and geospatial …

RETRACTED: Hydrogenolysis of Polyethylene and Polypropylene into Propane over Cobalt-Based Catalysts

G Zichittella, AM Ebrahim, J Zhu, AE Brenner, G Drake… - JACS Au, 2022 - ACS Publications
The development of technologies to recycle polyethylene (PE) and polypropylene (PP),
globally the two most produced polymers, is critical to increase plastic circularity. Here, we …