Removal of inorganic contaminant phosphate from aqueous solutions by bimetallic Ficus-ZVFe/Cu nanoparticles Online publication date: Mon, 22-Mar-2021
by Hossam Mohammed Abdel-Aziz; Rabie Saad Farag; Soha Ali Abdel-Gawad
International Journal of Environmental Engineering (IJEE), Vol. 11, No. 1, 2021
Abstract: Green chemistry approach has become the eco-friendliest and effective technique by using Ficus Benjamina for preparing bimetallic nanoscale zerovalent Fe/Cu particles and removal of phosphates from the aqueous solutions. Scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FTIR), and dispersive X-ray spectroscopy (EDAX) were used for characterisation. The removal adequacy of phosphates (5 mg L−1) reached to 73% under the condition of 0.3 g L−1, 30 min, and pH 4. The adsorption results are more appropriate by the Langmuir model [R2 = 0.998], with qmax = 17.42 mg g−1. The results of adsorption kinetics indicate that, phosphates uptake on Ficus-nZVFeCu is following the pseudo-second order model. Overall, Benjamina nZVFe/Cu is a committed green substance to remove phosphates. Operating parameters effect was investigated using a SPSS-linear regression analysis and found that more than 97% of the variables have an effect on the removal process.
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