砷
化学
环境化学
原位
化学工程
联轴节(管道)
环境科学
材料科学
冶金
有机化学
工程类
作者
Ting Song,Xuan Feng,Chuer Bao,Qiuxue Lai,Zhehao Li,Wenlei Tang,Zhen-Wu Shao,Zhiyuan Zhang,Zhongde Dai,Chong Liu
标识
DOI:10.1016/j.seppur.2022.120700
摘要
• Novel Zr-MOF adsorbent was prepared via nitroso coupling, assembling Zr-oxo clusters. • The MOF provides ample internal space to transport and accommodate As(V) species. • The MOF shows excellent stability, adsorptive capacity and selectivity for As(V) removal. • Mechanistic study reveals respective roles of MOF clusters and linkers in adsorption. Assembly of hexanuclear Zr-oxo clusters via in situ covalent coupling of nitroso groups afforded a metal–organic framework (MOF) with fcu topology. The MOF, namely SUM-8, emerged as an excellent adsorbent for aquatic arsenic removal in terms of adsorptive efficiency, capacity, selectivity, and cyclability, on accounts of its chemical stability and structural parameters suitable for arsenate diffusion/accommodation.
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