Crumpled graphene balls as rapid and efficient adsorbents for removal of copper ions

被引：26
作者：
Chen, Deqiang [1 ]
Liu, Xiang [1 ]
Nie, Huali [1 ,2 ]
机构：
[1] Donghua Univ, Coll Chem Chem Engn & Biotechnol, Shanghai 201620, Peoples R China
[2] Yancheng Polytech Coll, Jiangsu R&D Ctr Ecol Text Engn & Technol, Yancheng 224000, Jiangsu, Peoples R China
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2018年 / 530卷
关键词：
Crumpled graphene balls; Copper ions; Adsorption; Water treatment; HEAVY-METAL IONS; AQUEOUS-SOLUTION; ADSORPTION PROPERTIES; OXIDE; CHITOSAN; NANOPARTICLES; WATER; CU2+; PB(II); CU(II);
D O I：
10.1016/j.jcis.2018.06.051
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A novel, three-dimensional (3D), self-supporting material the crumpled graphene ball was developed using an aerosol capillary approach. The resultant crumpled-graphene-ball architecture showed a self-supporting, 3D network microstructure with plenty of ridges and wrinkles. Due to their unique structural characteristics, the 3D balls exhibited a rapid adsorption rate and superior adsorption capacity toward the copper ion (Cu2+). It was noted that the adsorption capacity for Cu2+ reached about 224.56 mg/g within 2 min. A high adsorption capacity, fast adsorption kinetics, excellent regeneration and reusability characteristics, and the ease of materials processing make these crumpled graphene balls ideal candidates for heavy metal ion decontamination in practical application. (C) 2018 Elsevier Inc. All rights reserved.
引用
收藏
页码：46 / 51
页数：6
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