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 …

The critical role of process analysis in chemical recycling and upcycling of waste plastics

SR Nicholson, JE Rorrer, A Singh… - Annual Review of …, 2022 - annualreviews.org
There is an urgent need for new technologies to enable circularity for synthetic polymers,
spurred by the accumulation of waste plastics in landfills and the environment and the …

Rational design of chemical catalysis for plastic recycling

M Chu, Y Liu, X Lou, Q Zhang, J Chen - Acs Catalysis, 2022 - ACS Publications
Plastics are indispensable, but their pollution is triggering a global environmental crisis.
Although many end-of-life catalytic options have involved converting plastics into valuable …

Photothermal recycling of waste polyolefin plastics into liquid fuels with high selectivity under solvent-free conditions

Y Miao, Y Zhao, GIN Waterhouse, R Shi, LZ Wu… - Nature …, 2023 - nature.com
The widespread use of polyolefin plastics in modern societies generates huge amounts of
plastic waste. With a view toward sustainability, researchers are now seeking novel and low …

Hydrogenolysis of polypropylene and mixed polyolefin plastic waste over Ru/C to produce liquid alkanes

JE Rorrer, C Troyano-Valls, GT Beckham… - ACS Sustainable …, 2021 - ACS Publications
Catalytic depolymerization of polyolefins is a promising chemical recycling strategy to create
value-added products from waste plastics, which are accumulating in landfills and the …

Catalytic strategies for upvaluing plastic wastes

MQ Zhang, M Wang, B Sun, C Hu, D **ao, D Ma - Chem, 2022 - cell.com
The massive accumulation of plastics in the environment has a severe impact on humanity's
living conditions. One possible solution is the recycling and upgrading of plastic waste at the …

Polyethylene hydrogenolysis at mild conditions over ruthenium on tungstated zirconia

C Wang, T **e, PA Kots, BC Vance, K Yu, P Kumar… - JACS Au, 2021 - ACS Publications
Plastics waste has become a major environmental threat, with polyethylene being one of the
most produced and hardest to recycle plastics. Hydrogenolysis is potentially the most viable …

Hydroformylation of pyrolysis oils to aldehydes and alcohols from polyolefin waste

H Li, J Wu, Z Jiang, J Ma, VM Zavala, CR Landis… - Science, 2023 - science.org
Waste plastics are an abundant feedstock for the production of renewable chemicals.
Pyrolysis of waste plastics produces pyrolysis oils with high concentrations of olefins (> 50 …

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 …

Nanocatalyzed upcycling of the plastic wastes for a circular economy

C Wang, H Han, Y Wu, D Astruc - Coordination Chemistry Reviews, 2022 - Elsevier
Plastics are now essential components in our daily life, but they have also raised a waste
crisis and environmental pollution issues. The traditional plastic waste treatments rely on …