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Three-phase interface engineering enables both activation and transport of electrochlorination for textile organic wastewater degradation

机译：Three-phase interface engineering enables both activation and transport of electrochlorination for textile organic wastewater degradation

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摘要

Constructing a three-phase interface to balance the multi-scale physicochemical processes is crucial for high-efficiency electro-chlorination degradation of organic wastewater, which remains largely underexplored. Herein, we demonstrate a nanopore-network-regulated Ru-MnO2 catalyst embodying an array of three-phase catalytic interfaces for enhancing the activation and transport processes. The key points lie in tailoring accessible surfaces with atomic-scale Ru sites and mesoscale commuting networks for fast species diffusion as well as structure-derived superaerophobic sur-faces. The synergy of these features promotes the high generation of Cl2 and subsequently fast departure, facilitating the transition of bubbles from a gas/solid interface into a liquid/solid interface, which availably mitigates the barrier effect, boosts blending of reac-tion species in wastewater, and yields high degradation efficiency and economic benefits compared with commercial Pt anodes. Furthermore, we envision that the scale-up prototype demonstra-tion will pave the way for large-scale environmental remediation and other aqueous production processes.

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