Adsorption Ability of Graphene Aerogel and Reduced Graphene Aerogel toward 2,4-D Herbicide and Salicylic Acid

被引：4
|
作者：
Kurmysheva, Alexandra Yu. [1 ]
Yanushevich, Oleg [2 ]
Krikheli, Natella [2 ]
Kramar, Olga [2 ]
Vedenyapina, Marina D. [3 ]
Podrabinnik, Pavel [1 ]
Solis Pinargote, Nestor Washington [1 ]
Smirnov, Anton [1 ]
Kuznetsova, Ekaterina [1 ]
Malyavin, Vladislav V. [4 ]
Peretyagin, Pavel [1 ,2 ]
Grigoriev, Sergey N. [1 ]
机构：
[1] Moscow State Univ Technol STANKIN, Lab Elect Current Assisted Sintering Technol, Vadkovsky Per 1, Moscow 127055, Russia
[2] AI Yevdokimov Moscow State Univ Med & Dent, Sci Dept, Delegatskaya St 20, p 1, Moscow 127473, Russia
[3] Russian Acad Sci, ND Zelinsky Inst Organ Chem, Leninsky Prospect 47, Moscow 119991, Russia
[4] Russian Acad Sci, Topchiev Inst Petrochem Synth, Lab Petr Chem & Petrochem Synth, Leninsky Prospect 29, Moscow 119991, Russia
来源：
GELS | 2023年 / 9卷 / 09期
关键词：
graphene oxide aerogel; reduced graphene oxide aerogel; 2,4-D; salicylic acid; adsorption; water treatment; OIL; PERFORMANCE; ISOTHERM;
D O I：
10.3390/gels9090680
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Within this work, new aerogels based on graphene oxide are proposed to adsorb salicylic acid (SA) and herbicide 2,4-Dichlorophenoxyacetic acid (2,4-D) from aqueous media. Graphene oxide aerogel (GOA) and reduced graphene oxide aerogel (rGOA) were obtained by freeze-drying processes and then studied by Raman spectroscopy, Fourier-transform infrared spectroscopy (FT-IR), and Brunauer-Emmett-Teller (BET) analysis. The influence of contact time and the concentration of the adsorbates were also assessed. It was found that equilibrium for high adsorption is reached in 150 min. In a single system, the pseudo-first-order, pseudo-second-order kinetic models, Intraparticle diffusion, and Elovich models were used to discuss the detail of the aerogel adsorbing pollutant. Moreover, the Langmuir, Freundlich, and Temkin adsorption models were applied to describe the equilibrium isotherms and calculate the isotherm constants.
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页数：18
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