Porous Organic Polymers for Selective Palladium Recovery and Heterogeneous Catalysis
Keywords:Adsorption, Heterogeneous catalysis, Hierachical porosity, Palladium recovery, Platinum group metals (PGMs), Porous organic polymers (POPs)
Palladium (Pd) recycling from waste materials is an important approach in order to meet the growing demand for Pd originating from its broad range of applications including automotive industry, electronics and catalysis. In this article, we discuss the design principles of solid-sorbents for efficient recovery of Pd from waste sources with a particular emphasis on porous organic polymers (POPs), which emerged as promising porous materials for Pd recovery due to their tunable chemical functionality, stability and porosity. We discuss the critical role of binding sites and porosity in the Pd uptake capacity, adsorption kinetics and selectivity. We also highlight the use of captured Pd within the polymer networks as heterogeneous catalysts for cross-coupling reactions.
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Copyright (c) 2023 Kyung Seob Song, Ali Coskun
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