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Exploring the sustainable synthesis pathway and comprehensive characterization of magnetic hybrid alumina nanoparticles phase (MHAl-NPsP) as highly efficient adsorbents and selective copper ions removal

Ahmed H. RagabChemistry Department, College of Science, King Khalid University, P.O Box 9004, Abha 61413, Saudi ArabiaMahmoud F. MubarakPetroleum Application Department, Egyptian Petroleum Research Institute (EPRI), 1 Ahmed El-Zomer, Nasr City, Box. No 11727, Cairo, EgyptHeba A. El-SabbanAnalysis and Evaluation Department, Egyptian Petroleum Research Institute (EPRI), 1 Ahmed El Zomor st. Nasr City, Cairo 11727, EgyptJi‐Hwan KangMaterials Electrochemistry Laboratory, School of Materials Science and Engineering, Yeungnam University, Gyeongsan 38541, Republic of KoreaAbeer El ShahawyDepartment of Civil Engineering, Environmental Engineering, Faculty of Engineering, Suez Canal University, PO Box 41522, Ismailia, EgyptHussah Abdullah AlshwyehBasic & Applied Scientific Research Center (BASRC), Imam Abdulrahman Bin Faisal University, 1982, Dammam 31441, Saudi ArabiaMohamed HemdanSchool of Biotechnology, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt

2024en

ABI

Annotatsiya

This study introduces a novel method for producing magnetic hybrid alumina nanoparticles phase (MHAl-NPsP) tailored specifically for efficient copper (II) ion removal from wastewater. The synthesized MHAl-NPsP underwent comprehensive characterization, including Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) revealing its rough and porous surface morphology, X-ray diffraction (XRD) analysis, transmission electron microscopy (TEM) analysis, BET analysis for surface area measurements, TGA analysis confirming high thermal stability, vibrating sample magnetometry (VSM) analysis confirming successful synthesis through detection of magnetic properties, and X-ray Photoelectron Spectroscopy (XPS) analysis. Remarkably, MHAl-NPsP demonstrated an exceptional adsorption capacity of 52.5 mg/g under optimized conditions of pH 3.5 and an initial copper concentration of 30 mg/L, surpassing previous results significantly. Detailed investigation into adsorption kinetics revealed a pseudo-second-order model, suggesting a predominant chemisorption mechanism. Moreover, analysis using the Langmuir isotherm model showed excellent fitting with an R² value of 0.994, indicating monolayer coverage as the primary adsorption mode. Notably, pH dependency studies indicated enhanced adsorption efficiency with decreasing pH levels, highlighting the significant role of electrostatic interactions. This study underscores the effectiveness and environmental sustainability of the green synthesis approach employed for MHAl-NPsP. Utilizing their magnetic properties, MHAl-NPsP facilitate easy separation and retrieval of adsorbed copper ions, making them highly promising for practical applications in wastewater treatment. The findings advocate for the development of eco-friendly adsorbents to tackle water pollution challenges, providing promising solutions for sustainable environmental remediation.

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DOI: 10.1016/j.eti.2024.103628

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