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 …

Chemical recycling of plastic wastes via homogeneous catalysis: A review

X Chen, L Cheng, J Gu, H Yuan, Y Chen - Chemical Engineering Journal, 2024 - Elsevier
Improper disposal of plastic wastes causes serious negative impacts on the ecosystem.
These plastic wastes are considered to be a rich carbon resource, and the use of …

Catalytic hydroconversion processes for upcycling plastic waste to fuels and chemicals

J Wei, J Liu, W Zeng, Z Dong, J Song, S Liu… - Catalysis Science & …, 2023 - pubs.rsc.org
Plastic waste represents an environmental threat and a huge economic loss. Catalytic
hydroconversion of plastic wastes can enable valorization of plastic wastes to diverse value …

Hydrogen-free catalytic depolymerization of waste polyolefins at mild temperatures

JN Hancock, JE Rorrer - Applied Catalysis B: Environmental, 2023 - Elsevier
Reductive methods of polyolefin waste deconstruction such as hydrogenolysis/
hydrocracking have enabled advances in plastic upcycling at low temperatures. However …

Ni/HZSM-5 catalysts for hydrodeoxygenation of polycarbonate plastic wastes into cycloalkanes for sustainable aviation fuels

J Liu, J Wei, X Feng, M Song, S Shi, S Liu… - Applied Catalysis B …, 2023 - Elsevier
Hydrodeoxygenation (HDO) is one of the effective methods for upcycling polycarbonate (PC)
plastic waste, but the development of low-cost, high-performance HDO catalysts still faces …

Conversion of polyethylene waste to short chain hydrocarbons under mild temperature and hydrogen pressure with metal-free and metal-loaded MFI zeolites

JZ Tan, CW Hullfish, Y Zheng, BE Koel… - Applied Catalysis B …, 2023 - Elsevier
Catalytic hydrocracking on supported metal zeolites promisingly converts waste plastics into
more valuable hydrocarbons. Although the presence of metal sites on solid acids is typically …

Toward intrinsic catalytic rates and selectivities of zeolites in the presence of limiting diffusion and deactivation

CW Hullfish, JZ Tan, HI Adawi, ML Sarazen - ACS Catalysis, 2023 - ACS Publications
The goal of atom-and energy-efficient production of fuels and chemicals from renewable (ie,
biomass) and closed-carbon (ie, CO2 and waste plastic) feedstocks requires effective …

Efficient and selective dual-pathway polyolefin hydro-conversion over unexpectedly bifunctional M/TiO2-anatase catalysts

L Chen, JB Moreira, LC Meyer, J Szanyi - Applied Catalysis B …, 2023 - Elsevier
The huge scale of plastic waste generation and its environmental consequences drive the
demands for catalytic plastic upcycling processes. Here, we report efficient polypropylene …

Treasuring trash: Pt/SrTiO3 catalysts process plastic waste into high-value materials

IL Peczak, RM Kennedy, RA Hackler, B Lee, M Meirow… - Matter, 2023 - cell.com
Single-use plastics are ubiquitous throughout modern society because they have properties
that make them desirable in a wide variety of applications, including low cost of production …

Direct amination of poly (p-phenylene oxide) to substituted anilines over bimetallic Pd–Ru catalysts

PTT Nguyen, G Gözaydın, J Ma, B Yao, Q He… - Green Chemistry, 2024 - pubs.rsc.org
Chemical upcycling of plastic waste offers a promising opportunity for synthesizing value-
added products. Despite its potential, transforming poly (phenylene oxide)(PPO) into …