Metal-azolate framework-6 for fast adsorption removal of phthalic acid from aqueous solution
Metal-azolate framework-6 for fast adsorption removal of phthalic acid from aqueous solution
复制标题
金属氮唑盐骨架-6用于快速吸附去除水溶液中的邻苯二甲酸
DOI:
10.1016/j.molliq.2016.08.056
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发表时间:
2016-11
影响因子:
6
通讯作者:
Zhonghai Ni
中科院分区:
文献类型:
--
作者:
Chao Wang;Xinlong Yan;Xiaoyan Hu;Min Zhou;Zhonghai Ni
Phthalic acid (H2-PA) is a common pollutant in wastewater, and the development of efficient materials for its adsorption and removal is thus of great significance in environmental science. Here, we report the synthesis of Metal-azolate framework-6 (MAF-6) and its application in removal of H2-PA from aqueous solution, in view of adsorption isotherms and thermodynamics, kinetics, and regeneration. The adsorption followed a pseudo-second-order kinetics and fitted the Freundlich adsorption model with a capacity of 572 mg/g (at 20 °C and initial concentration of 100 ppm). The used MAF-6 could be regenerated easily and recycled at least 3 times without significant loss of capacity. In addition, it provided a larger adsorption capacity and faster adsorption kinetics than Zeolitic imidazolate framework-8 (ZIF-8), and a mechanism for the preferable performances was proposed.
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