Novel Adsorbent of N-Phenylthiourea-Functionalized Graphene Oxide and Its Removal of Methyl Orange in Aqueous Solutions

被引：27
作者：
Bu, Jiaqi [1 ]
Yuan, Lu [1 ,2 ,3 ,4 ,5 ]
Zhang, Na [1 ]
Meng, Yong [1 ,2 ,3 ,4 ,5 ]
Peng, Xin [1 ,2 ,3 ,4 ,5 ]
机构：
[1] Hunan Normal Univ, Coll Chem & Chem Engn, Changsha 410081, Hunan, Peoples R China
[2] Hunan Normal Univ, Natl Demonstrat Ctr Expt Chem & Chem Engn Educ, Changsha 410081, Hunan, Peoples R China
[3] Natl & Local Joint Engn Lab New Petrochem Mat & F, Changsha 410081, Peoples R China
[4] Key Lab Sustainable Resources Proc & Adv Mat Huna, Changsha 410081, Peoples R China
[5] Hunan Normal Univ, Minist Educ, Key Lab Chem Biol & Tradit Chinese Med Res, Changsha 410081, Peoples R China
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2021年 / 66卷 / 01期
关键词：
DYEING WASTE-WATER; ADSORPTION PERFORMANCE; EFFICIENT REMOVAL; SELECTIVE REMOVAL; GRAPHITE OXIDE; CATIONIC DYES; ANIONIC DYES; BLUE; COMPOSITE; NANOPARTICLES;
D O I：
10.1021/acs.jced.0c00527
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this paper, an N-phenylthiourea-functionalized graphene oxide (GO-NPT) composite was prepared by a condensation reaction of graphene oxide (GO) and N-phenylthiourea. This composite was characterized by scanning electron microscopy, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, Raman spectroscopy, X-ray diffraction, ultraviolet-visible spectroscopy, thermogravimetric analysis, the Brunauer-Emmett-Teller method, and zeta potential measurements. By exploring the effects of pH, time, temperature, salt ion solubility, and initial methyl orange (MO) concentration on adsorption, we have found the optimal conditions for adsorption. In addition, the adsorption mechanism was explored by adsorption kinetics, adsorption isotherms, and adsorption thermodynamics. After the tests, we found that GO-NPT has excellent reusability. Compared to the parent material GO (adsorption capacity of 63.84 mg/g), the adsorption capacity of GO-NPT for MO was 141.467 mg/g. Therefore, we believe that GO-NPT is a very promising adsorbent.
引用
收藏
页码：199 / 209
页数：11
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