Synthesis, characterization and phosphate adsorption of (Fe, Al, Cu) oxit/bentonite nanocomposite

Lam Pham Van, Duong Nguyen Binh, Trang Quan Thi Thu, Bich Phan Thi Ngoc

Abstract


(Fe, Al, Cu) oxide/bentonite nanocomposite – FACB, was simply prepared by co-precipitation of salts of Fe, Al and Cu, which were impregnated previously in the exfoliated bentonite suspension. Characterization of the FACB is performed by X-ray diffraction, Fourier transform infrared spectrometry, Field emission scanning electron microscopy, Energy-dispersive X-ray spectroscopy, Nitrogen adsorption isotherm, and Thermal analysis. The adsorption behavious of phosphate ion on the FACB was assessed. The material has a good ability of phosphate adsorption with high adsorption rate and adsorption capacity of 55.87 mg P/g at equilibrium concentration of phosphate solution of 24.13 mg/l.


Keywords


(Fe; Cu; Al) oxide/bentonite; exfoliated; nanocomposite; phosphate; adsorption

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DOI: https://doi.org/10.51316/jca.2021.145

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