Related Experiment Video
Updated: Jul 3, 2026

HKUST-1 as a Heterogeneous Catalyst for the Synthesis of Vanillin
Published on: July 23, 2016
Coordination-Engineered Fe Single Atoms Enable Synergistic PVC Upcycling into Fuel-Range Hydrocarbons via Fenton-Like
Qingyun Bai1, Jiuyi Wang2, Xing Xu3
1College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China.
None:
Poly(vinyl chloride) (PVC) poses a persistent environmental challenge due to its high chlorine content and additive-mediated recalcitrance. Herein, we report an N,O-dual-coordinated iron single-atom catalyst (Fe-N2O2-hCN) integrated with palladium nanoparticles (Pd NPs) for efficient hydrothermal Fenton-like upcycling of PVC into fuel-range hydrocarbons. The asymmetric Fe-N2O2 configuration modulates the electronic structure of Fe centers, promoting H2O2 activation and hydroxyl radical generation for efficient C-Cl and C-C bond cleavage under mild conditions, outperforming the conventional Fe-N4 catalyst. The bifunctional Pd NPs/Fe-N2O2-hCN system achieves high PVC degradation efficiency (97.38%) and near-complete dechlorination, while selectively hydrogenating depolymerized intermediates into fuel-range alkanes (C3-C20) with a high selectivity (86.01%). Mechanistic studies reveal enhanced electron transfer and a lowered energy barrier for H2O2 dissociation, with Pd NPs generating reactive hydrogen species for olefin saturation. Life cycle assessment (LCA) demonstrates a 77% reduction in carbon emissions and significantly lower eco-costs than incineration. This work provides a coordination-engineered platform for converting hazardous plastic waste into valuable fuels, advancing a circular plastic economy.
Related Concept Videos
Heterogeneous Catalysis
Free-Radical Chain Reaction and Polymerization of Alkenes
Olefin Metathesis Polymerization: Overview
Ruthenium-based Grubbs catalyst is the most commonly used catalyst for olefin metathesis polymerization. Grubbs catalyst consists of a...
Photochemical Electrocyclic Reactions: Stereochemistry
Selection Rules: Photochemical Activation
Olefin Metathesis Polymerization: Ring-Opening Metathesis Polymerization (ROMP)
Olefin Metathesis Polymerization: Acyclic Diene Metathesis (ADMET)
Similar to cross-metathesis, ADMET also involves the formation of metallacyclobutane intermediate by [2+2] cycloaddition of one of the double bonds of a terminal diene with...

