Fabrication of novel CuO/layered double oxide microspheres and its high efficiency adsorption performance for Congo red

被引：19
作者：
Chen, Shaopeng [1 ]
Li, Ruilong [1 ,2 ]
Qin, Jun [3 ]
Guo, Xincheng [1 ]
Chen, Xiaolang [1 ]
机构：
[1] Southwest Jiaotong Univ, Sch Mat Sci & Engn, Key Lab Adv Mat Technol, Minist Educ, 111,North Sect 1,Second Ring Rd, Chengdu 610031, Sichuan, Peoples R China
[2] Ningxia Coal Ind Co Ltd, China Energy Grp, Coal Chem Ind Technol Res Inst, Yinchuan 750411, Ningxia, Peoples R China
[3] Guizhou Univ, Coll Resources & Environm Engn, Key Lab Karst Environm & Geohazard Prevent, Guiyang 550025, Peoples R China
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2021年 / 622卷
基金：
中国国家自然科学基金;
关键词：
Hybrid; Composite materials; Functional; Adsorption; LAYERED DOUBLE OXIDE; AQUEOUS-SOLUTION; FACILE SYNTHESIS; REMOVAL; DYES; WATER; ACID;
D O I：
10.1016/j.colsurfa.2021.126649
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：
In this work, novel copper oxide (CuO)@layered double oxide (LDO) microspheres were designed and fabricated via a facile coprecipitation-calcination method. The X-ray diffractometer (XRD) and Fourier-transform infrared (FTIR) results confirm that the CuO@LDO hybrid microspheres were successfully designed and fabricated. In addition, the CuO@LDO microspheres exhibit the excellent adsorption performances on Congo Red (CR) compared with LDO, and the maximum theoretical adsorption capacity of CuO@LDO microspheres is 540 mg/g. The adsorption behaviors confirm to the Langmuir isotherm and the pseudo-second-order kinetic model.
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页数：5
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