过碳酸盐高级氧化工艺在饮用水处理中的研究进展

Research Progress of Percarbonate Advanced Oxidation Process in Drinking Water Treatment

用于SPC活化的最常用催化剂为过渡金属离子(如Fe^(2+)、Fe^(3+)和V^(4+))和零价纳米金属(如铁、锌、铜和镍)。过碳酸钠产生的羟基自由基(·OH)、超氧自由基(·O_(2)^(-))和碳酸根阴离子(·CO_(3)^(-))可以攻击有机污染物的结构。通过广泛的活化方法介绍了P-AOP过程中的进展,概述P-AOPs对新兴污染物降解的催化和应用,并作为该领域进展的指南。总结了过碳酸盐的各种活化方法,并对溶液基质中的pH值、阴离子等影响因素进行了深入探讨,有助于阐明P-AOPs在当前科学进展中的优缺点,并指导P-AOPs在可持续碳催化和绿色化学中的未来实践方向。

The most commonly used catalysts for SPC activation are transition metal ions(such as Fe^(2+),Fe^(3+)and V^(4+))and zero-valent nanometals(such as iron,zinc,copper and nickel).Hydroxyl radicals(·OH),superoxide radicals(·O_(2)^(-))and carbonate anions(·CO_(3)^(-))produced by sodium percarbonate can attack the structure of organic pollutants.The progress of P-AOP process is introduced by extensive activation methods.The catalysis and application of P-AOPs for the degradation of emerging pollutants are summarized as a guide to the progress in this field.Various activation methods of percarbonate are summarized.The influencing factors such as pH value and anion in the solution matrix are discussed in depth.It is helpful to clarify the advantages and disadvantages of P-AOPs in current scientific progress.And guide the future practice direction of P-AOPs in sustainable carbon catalysis and green chemistry.