Removal of fluoroquinolone drug, levofloxacin, from aqueous phase over iron based MOFs, MIL-100(Fe)

被引：146
作者：
Chaturvedi, Garima [1 ]
Kaur, Amandeep [1 ]
Umar, Ahmad [2 ,3 ]
Khan, M. Ajmal [4 ,5 ]
Algarni, H. [4 ,5 ]
Kansal, Sushil Kumar [1 ]
机构：
[1] Panjab Univ, Dr SS Bhatnagar Univ Inst Chem Engn & Technol, Chandigarh 160014, India
[2] Najran Univ, Fac Sci & Arts, Dept Chem, Najran 11001, Saudi Arabia
[3] Najran Univ, PCSED, Najran 11001, Saudi Arabia
[4] King Khalid Univ, RCAMS, POB 9004, Abha 61413, Saudi Arabia
[5] King Khalid Univ, Dept Phys, POB 9004, Abha 61413, Saudi Arabia
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2020年 / 281卷
关键词：
MIL-100(Fe); Levofloxacin; Adsorption; Langmuir isotherm; Thermodynamics; METAL-ORGANIC FRAMEWORK; ADSORPTION CAPACITY; FACILE SYNTHESIS; WATER; PHOTODEGRADATION; ACETALIZATION; MICROSPHERES; FABRICATION; ISOTHERMS; GREEN;
D O I：
10.1016/j.jssc.2019.121029
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Herein, we report facile, rapid and cost-effective method for the preparation of MIL-100(Fe) via solid state reaction in a sealed autoclave. The as-prepared MIL-100(Fe) was further characterized in detail using various techniques including PXRD, FTIR, SEM, EDX, TGA, BET surface area and zeta potential analysis. The prepared sample was used as adsorbent for the removal of levofloxacin (LVX), an antibiotic from aqueous phase. MIL-100(Fe) achieved an uptake capacity of 87.34 mg/g based on the Langmuir isotherm. The results showed that adsorption mechanism followed pseudo 2nd order kinetic model and Freundlich isotherm. The thermodynamic study revealed that adsorption mechanism was found to be impulsive and exothermic in nature. After 4 cycles of MIL-100(Fe) adsorption and desorption, levofloxacin removal efficiency attained was 86%.
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页数：10
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