Synthesis of GO/HEMA, GO/HEMA/TiO2, and GO/Fe3O4/HEMA as novel nanocomposites and their dye removal ability

被引：78
作者：
Moradi, Omid [1 ]
Madanpisheh, Mohammad Ali [2 ]
Moghaddas, Maryam [2 ]
机构：
[1] Islamic Azad Univ, Shahr Qods Branch, Dept Chem, Tehran, Iran
[2] Islamic Azad Univ, Safadasht Branch, Dept Chem, Tehran, Iran
来源：
ADVANCED COMPOSITES AND HYBRID MATERIALS | 2021年 / 4卷 / 04期
关键词：
Synthesis; Characterization; GO nanocomposite; Dye removal ability; ZEOLITIC IMIDAZOLATE FRAMEWORK-8; METHYLENE-BLUE DYE; GRAPHENE OXIDE; PHOTOCATALYTIC DEGRADATION; CATALYTIC-ACTIVITY; AQUEOUS-SOLUTION; ANIONIC DYES; WATER; ADSORPTION; KINETICS;
D O I：
10.1007/s42114-021-00353-7
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In the present study, the adsorption removal of anionic (MO) and cationic (MB) dyes with GO/HEMA and GO/HEMA/TiO2 and GO/Fe3O4/HEMA nanocomposites as adsorbents was investigated. Characterization of properties was determined by FTIR, XRD, SEM, TEM, EDX, and zeta potential analysis. Parameters affecting the removal of pollutants including dye concentration (0.7 mg/l), contact time (60 min), and temperature (298 degrees K) were investigated. Pollutants removal mechanisms were studied with pseudo-first-order, pseudo-second-order kinetic models as well as Freundlich Langmuir isotherms. Pollutant removal for all three composites was confirmed by the Freundlich isotherm (R-2 = 0.99) and first-order kinetics (R-2 = 0.98).
引用
收藏
页码：1185 / 1204
页数：20
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