Gongye shui chuli通过引入高价钨元素并调控氧空位，以优化钴基氧化物的活性，促进了过一硫酸盐（PMS）对抗生素的降解作用，减少了降解副产物的毒性，并增强了催化剂的长期稳定性。实验合成了一种富含氧缺陷的纳米级水合钨酸钴的催化剂，对其实际形态和晶体结构进行了系统表征。合成的缺陷水合钨酸钴活化过一硫酸盐降解磺胺甲噻二唑（SMTZ）的研究表明，污染物在短时间（2 min）内即达到完全分解，其降解速率常数高达2.014 min-1。自由基捕获实验表明，SO4•-、1O2和•OH是主要的活性物种。催化剂具有较好的稳定性和循环性 ...
牛旭东, 周传斌, 赵军平
doaj
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CoNi双金属催化剂的制备及其活化过一硫酸盐降解诺氟沙星的性能与机制
Gongye shui chuli水环境中以诺氟沙星（NOR）为代表的抗生素广泛使用而持续积累从而严重威胁生态环境与人体健康，采用有效的技术去除环境中的抗生素以实现其对人类和生态系统的风险管控具有重要的意义。基于硫酸根自由基的过硫酸盐（PS）活化高级氧化技术（AOP）是一种可有效去除环境中抗生素的新兴的AOP技术。针对单一钴（Co）基催化剂活化PS时存在Co2+浸出、难以规模化应用的难点，采用水热法成功合成出了CoNi双金属材料，并将其作为非均相催化剂用于活化过一硫酸盐（PMS）以去除水中的NOR。利用多种表征手段对所合成的材料的形貌 ...
李瑞桢 +4 more
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