Synthesis and application of graphene oxide aerogel as an adsorbent for removal of dyes from water

被引：71
|
作者：
Tran Hoang Tu [1 ]
Phan Thi Ngoc Cam [2 ]
Le Van Trong Huy [2 ]
Mai Thanh Phong [2 ]
Hoang Minh Nam [1 ,2 ]
Nguyen Huu Hieu [1 ,2 ]
机构：
[1] Ho Chi Minh City Univ Technol, Vietnam Natl Univ, Key Lab Chem Engn & Petr Proc CEPP, 268 Ly Thuong Kiet,Ward 14,Dist 10, Ho Chi Minh City, Vietnam
[2] Ho Chi Minh City Univ Technol, Vietnam Natl Univ, Fac Chem Engn, 268 Ly Thuong Kiet,Ward 14,Dist 10, Ho Chi Minh City, Vietnam
来源：
MATERIALS LETTERS | 2019年 / 238卷
关键词：
Graphene oxide; Aerogel; Adsorption; Dye;
D O I：
10.1016/j.matlet.2018.11.164
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, graphene oxide aerogel (GOA) was synthesized by ice segregation induced self-assembly method. The characterization of GOA was studied by Fourier transform infrared spectroscopy, X-ray diffraction, Raman spectroscopy, transmission electron microscopy, scanning electron microscope, and Brunauer-Emmett-Teller specific surface area. Effects of contact time, pH, and initial concentration on the adsorption capacity of GOA were studied. The adsorption process fitted well with pseudo-second-order kinetic and Langmuir isotherm models with the maximum adsorption capacities for methylene blue and methyl orange of 480.76 and 55.56 mg/g, respectively. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：134 / 137
页数：4
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