Efficient removal of norfloxacin by MOF@GO composite: isothermal, kinetic, statistical, and mechanistic study

被引：45
作者：
Khan, Naseem Ahmad [1 ]
Shaheen, Salma [1 ]
Najam, Tayyaba [2 ]
Shah, Syed Shoaib Ahmad [1 ,3 ]
Javed, Muhammad Sufyan [4 ,5 ]
Nazir, Muhammad Altaf [1 ]
Hussain, Ejaz [1 ]
Shaheen, Asma [6 ]
Hussain, Shahid [7 ]
Ashfaq, Muhammad [1 ]
机构：
[1] Islamia Univ Bahawalpur, Dept Chem, Bahawalpur, Pakistan
[2] Shenzhen Univ, Inst Adv Study, Shenzhen, Peoples R China
[3] Univ Sci & Technol China, Sch Chem & Mat Sci, Hefei Natl Lab Phys Sci Microscale, Hefei, Peoples R China
[4] Jinan Univ, Dept Phys, Guangdong Prov Engn Technol Res Ctr Vacuum Coatin, Siyuan Lab, Guangzhou, Peoples R China
[5] COMSATS Univ Islamabad, Dept Phys, Lahore, Pakistan
[6] Univ Sargodha, Dept Earth Sci, Sargodha, Pakistan
[7] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang, Jiangsu, Peoples R China
来源：
TOXIN REVIEWS | 2021年 / 40卷 / 04期
关键词：
Metal-organic framework; graphene oxide; toxic antibiotics; adsorptive removal; water treatment; HIGH ADSORPTION CAPACITY; METAL-ORGANIC FRAMEWORK; WATER; CIPROFLOXACIN; ADSORBENT; LEVOFLOXACIN; EQUILIBRIUM; DEGRADATION; ANTIBIOTICS; NANOSHEETS;
D O I：
10.1080/15569543.2020.1801750
中图分类号：
R99 [毒物学（毒理学）];
学科分类号：
100405 ;
摘要：
In this paper, the facile synthesis of graphene oxide and MOF based composite material for the demanded adsorption of leading antibiotic is reported. The adsorbent showed good results for removal of norfloxacin with high adsorption capacity (1114.82 mg/g) and removal efficiency (93.61 %). In addition, Langmuir model proved most suitable with highest value of R-2 = 0.99929 among three applied isothermal models. The thermodynamic study showed spontaneous and exothermic (Delta H = -1.1x10(-5)Kj/ mol, Delta G = -13324.33 Kj/ mol) nature of adsorption process with reusability of 88.4 % after several cycles. Moreover, statistical analysis and mechanistic study were also performed.
引用
收藏
页码：915 / 927
页数：13
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