Magnetite graphene oxide modified with β-cyclodextrin as an effective adsorbent for the removal of methotrexate and doxorubicin hydrochloride from water

被引：32
作者：
Ghafoori, Mohammad [1 ]
Cheraghi, Mehrdad [1 ]
Sadr, Maryam Kiani [1 ]
Lorestani, Bahareh [1 ]
Sobhanardakani, Soheil [1 ]
机构：
[1] Islamic Azad Univ, Coll Basic Sci, Dept Environm, Hamedan Branch, Hamadan, Hamadan, Iran
来源：
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2022年 / 29卷 / 23期
关键词：
Adsorption; Aqueous solutions; GO@Fe3O4@beta-CD; Isotherm; Pharmaceutical compounds; ACTIVATED CARBON; AQUEOUS-SOLUTION; RICE STRAW; NANOPARTICLES; ADSORPTION; TETRACYCLINE; ISOTHERM; NI(II); IONS;
D O I：
10.1007/s11356-022-18725-x
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The purpose of this investigation was to analyze the performance of magnetite graphene oxide modified with beta-cyclodextrin (GO@Fe3O4@beta-CD) for adsorption of methotrexate (MTX) and doxorubicin (DOX) from aqueous solutions. Characterization of GO@Fe3O4@beta-CD was carried out using some methods. The perfect conditions for the adsorption of MTX and DOX were 7.0, 45 min, 20 mg, and 25 degrees C for solution pH, contact time, adsorbent dose, and temperature, respectively, with removal efficiency values of 97.8% and 98.5% for MTX and DOX, respectively. The adsorption kinetic of MTX and DOX via GO@Fe3O4@beta-CD followed pseudo second-order (PSO) model, while the adsorption isotherm obeyed Langmuir model by monolayer adsorption with maximum adsorption capacities of 198.5 and 204.5 mg g(-1) for MTX and DOX, respectively. Therefore, it could be argued that HCl and 0.1 mol L-1 NaOH would reflect adequate elution properties for GO@Fe3O4@beta-CD recovery.
引用
收藏
页码：35012 / 35024
页数：13
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