Aminated lignin-derived sponge carbon for the capacitive deionization of copper ions

被引：12
作者：
An, Jiajia [1 ,2 ]
Li, Chunping [1 ,2 ]
Wang, Qiang [1 ,2 ]
Zhang, Xiaosong [1 ,2 ]
Zhang, Daquan [1 ,2 ]
Xu, Xingtao [3 ]
Feng, Likui [4 ]
Cheng, Yijie [4 ]
机构：
[1] Shanghai Univ Elect Power, Shanghai Key Lab Mat Protect & Adv Mat Elect Power, Shanghai 201306, Peoples R China
[2] Shanghai Univ Elect Power, Shanghai Engn Res Ctr Energy Saving Heat Exchange, Shanghai 201306, Peoples R China
[3] Zhejiang Ocean Univ, Sch Marine Sci & Technol, Zhoushan 316022, Zhejiang, Peoples R China
[4] Zhejiang Elect Power Res Inst State Grid Corp Chin, Hangzhou 310014, Peoples R China
来源：
DESALINATION | 2024年 / 575卷
基金：
中国国家自然科学基金;
关键词：
Sponge carbon; Modification; Separation; Capacitive deionization; METAL;
D O I：
10.1016/j.desal.2024.117322
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The removal of Cu2+ ions is of great importance for the purification of copper-containing wastewater. The development of a CDI electrode material to remove Cu2+ ions has potential applications. Here, we prepare an aminated lignin-derived sponge carbon (LC-PG) for the capacitive removal of Cu2+ ions. The LC-PG electrode achieves an adsorption capacity of up to 53.75 mg.g(-1) and a separation factor of 89.62 % in 50 mg.L-1 Cu2+ ion solutions. And it shows that the Cu2+ ion separation factor is 6 times higher than that of Na+ ions in the binary system. The LC-PG electrode still exhibits significant Cu2+ removal in the simulated Cu2+-containing electroplating wastewater. This study offers a promising strategy for the preparation of sponge carbon materials and the removal of Cu2+ ions from Cu2+-containing wastewater.
引用
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页数：13
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