期刊
INTERNATIONAL JOURNAL OF PHARMACEUTICAL INVESTIGATION
卷 11, 期 4, 页码 384-388出版社
INPHARM ASSOC, PHCOG NET
DOI: 10.5530/ijpi.2021.4.69
关键词
Amoxicillin; Magnetic graphene oxide; Thermodynamics; Adsorption; Nanocomposite
资金
- Student Research Committee, Zahedan University of Medical Sciences
The study successfully adsorbed amoxicillin using magnetic graphene oxide nanocomposite, demonstrating potential environmental and water treatment applications.
Background: Antibiotics have lasting effects on the environment. Among the properties of these substances are non-biodegradable, carcinogenic, high toxicity, and an increase in antibiotic-resistant bacteria. Therefore, they should be removed from aqueous solutions and the point of this think was to adsorb amoxicillin (AMO) by magnetic graphene oxide nanocomposite (MGO). Methods: The adsorption behavior of AMO was studied in a series of batch experiments as a function of pH (3-11), contact time (0-120 min), and AMO concentration (10-100 mg/L) different MGO dosages (0.1-1 g/L). The structures of MGO were confirmed by scanning electron microscope (SEM), and the X-ray diffraction (XRD). Results: The results revealed in optimized conditions (pH=3, contact time=75 min, AMO concentration= 10mg/L and adsorbent dose=0.75 g/L) maximum adsorption capacity and removal efficiency of AMO were 98.41 mg/g, respectively. The thermodynamical parameters showed that the sorption method was endothermal and spontaneous. Conclusion: MGO nanoparticles have extended capabilities such as easy and rapid separation from solution and high potential in removing AMO, so, it can be introduced as an appropriate adsorbent for removal of this antibiotics from water and wastewater.
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