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Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
Published on: April 10, 2018
Defective multi-element coordinated single atom catalysts (Cu-N2SCl) for high-performance water decontamination
Shiying Ren1, Xin Xu1, Wei Ren1
1School of Chemical Engineering, The University of Adelaide, Adelaide, SA 5005, Australia.
Abstract:
Carbon materials have been demonstrated to be green catalysts in advanced oxidation processes (AOPs) for removing a wide range of organic pollutants from water. This study presents an innovative approach to transforming waste tyres into defective multi-element coordinated copper single-atom catalysts (CuSA-Tyre) for AOPs. CuSA-Tyre demonstrates superior efficiency in activating various oxidants, in particular peroxydisulfate (PDS), to oxidize organic pollutants through a nonradical electron transfer pathway. The high catalytic performance of CuSA-Tyre under diverse environmental substrates indicates its promising application for real wastewater treatment. A continuous fixed-bed test demonstrates high efficiency and stability of the CuSA-Tyre/PDS system for long-term purification, and the catalysts can be easily recycled after the reaction. This research offers a cost-efficient solution to upcycling waste tyres into value-added functional catalysts for catalytic water purification.
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