净水技术2024，Vol.43Issue(z1)：49-56,246,9.DOI:10.15890/j.cnki.jsjs.2024.s1.007
UV/SO32-工艺去除水体中溴酸盐的效果
Effect of Removing Bromate from Water by UV/SO32-Process
摘要
Abstract
Ultraviolet/sulfite(UV/SO32-)process is an advanced reduction process(ARP)that degrades contaminants by producing strongly reductive active free radicals.The efficiency and mechanism of degradation of bromate(BrO3-)by UV/SO32-process were studied.The results showed that the reduction of BrO3-by UV/SO32-process conformed to the pseudo-first-order kinetic model,and the removal rate of BrO3-could be effectively improved by increasing the UV light intensity,the dosage of sulfite,the pH value of solution,and removing dissolved oxygen(DO)in solution.HCO3,Cl-and natural organic matter in water inhibited the degradation of BrO3-.The quenching experiment showed that hydrated electron(eaq-)was the main active substance in the degradation of BrO3-by UV/SO32-process.The possible degradation pathway of BrO3-was deduced.关键词
UV/SO32-工艺/溴酸盐/水合电子/降解动力学/反应机制Key words
UV/SO32-process/bromate/hydrated electron/degradation kinetics/reaction mechanism分类
建筑与水利引用本文复制引用
沈恺乐,龚思成,韦文博,张新欢..UV/SO32-工艺去除水体中溴酸盐的效果[J].净水技术,2024,43(z1):49-56,246,9.基金项目
上海市青年科技英才扬帆计划(21YF1442200) （21YF1442200）
