Birniwa, Abdullahi Haruna and Mohammad, Rania Edrees Adam and Ali, Mujahid and Rehman, Muhammad Faisal and Abdullahi, Shehu Sa'ad and Eldin, Sayed M. and Mamman, Suwaiba and Sadiq, Abubakar Chadi and Jagaba, Ahmad Hussaini (2022) Synthesis of gum Arabic magnetic nanoparticles for adsorptive removal of ciprofloxacin: Equilibrium, kinetic, thermodynamics studies, and optimization by response surface methodology. Separations, 9 (10). ISSN 2297-8739, DOI https://doi.org/10.3390/separations9100322.
Full text not available from this repository.Abstract
Given the increasing risks that antibiotic abuse poses to microecology and human health, it is imperative to develop incredibly powerful adsorbents. This study investigated the use of environmentally sustainable polymeric nanocomposite based on gum arabic (GA) and magnetic nanoparticles (MNPs) synthesized via co-precipitation method to form gum arabic magnetitic nanoparticles (GA-MNPs) as an efficient adsorbent for ciprofloxacin (CIP) removal from aqueous solution. The physicochemical properties and morphology of the synthesized GA-MNPs were characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and Energy Dispersive X-Ray Analysis (EDX). The experiment was designed by response surface methodology (RSM) and the Central Composite Design (CCD) was utilized to optimize the operating variables: contact time (0-120 min), pH (3-10), adsorbent dosage (0.10-0.40 g/L), and concentration of adsorbate (5-100 mg/L). Results showed that 96.30% was the maximum percentage of CIP removed. The adsorption effect of the CIP molecule on the surface of the GA-MNPs was investigated using regression analysis and analysis of variance. Furthermore, Freundlich Isotherm and Pseudo Second order kinetic equations have the highest consistency with experimental investigations suggesting double-layer adsorption. This implies that chemisorption was the mechanism involved. In addition, the calculated thermodynamic parameters were postulating an exothermic and spontaneous method in nature. Owing to its adsorption selectivity and recyclability, GA-MNPs could be classified as an environmentally friendly, less expensive, and highly efficient promising adsorbent for remediation of CIP from aqueous solution.
| Item Type: | Article |
|---|---|
| Funders: | Tertiary Education Trust Fund (TETFUND) Nigeria |
| Uncontrolled Keywords: | Adsorption; Central composite design; Ciprofloxacin; Gum arabic magnetite; Response surface methodology; Wastewater |
| Subjects: | Q Science > QD Chemistry T Technology > TP Chemical technology |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 27 Sep 2023 01:54 |
| Last Modified: | 27 Sep 2023 01:54 |
| URI: | http://eprints.um.edu.my/id/eprint/40838 |
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