埃洛石
纳米片
材料科学
化学工程
降级(电信)
催化作用
介孔材料
吸附
纳米管
微球
比表面积
水溶液
煤
纳米技术
碳纳米管
复合材料
有机化学
化学
工程类
电信
计算机科学
作者
Qing Sun,Jiabing Yu,Hanhu Liu,Yuan Lin,Jian Zhang,Jing Sheng
标识
DOI:10.1016/j.matlet.2023.135249
摘要
In this paper, 3D hierarchical CoAl-LDH microsphere hybrid catalysts were fabricated via a facile two-step procedure. The results demonstrated that halloysite (Hal)-nanotube and CoAl-LDH-nanosheet were reconstructed into 3D hierarchical hybrid microspheres. In addition to providing Al element, the Hal also maintained a high specific surface area of the microspheres and exhibited excellent adsorption properties. The novel catalysts could activate peroxymonosulfate (PMS) to generate HO• and SO4•– free radicals, resulting in a 97% degradation rate of norfloxacin (NOR) at a concentration of 20 mg/L. This study provides insights into using nano-clay precursors for constructing CoAl-LDH hybrid catalysts to purify antibiotic contaminants from aqueous environments.
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