A. A. Geidarov, P. G. Babaeva, A. A. Gulieva, G. I. Alyshanly, Z. A. Dzhabbarova
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Adsorption of Phosphate Ions from Aluminate Solutions on an Fe–AC Nanocomposite
Abstract—The adsorption of phosphate ions from model solutions by a nanocomposite based on trivalent iron oxide–hydroxide and activated carbon (Fe–AC) is studied. The following factors affecting the adsorption of phosphate ions are investigated: the amount of adsorbent, the initial concentration of phosphate ions in a solution, and the contact time. The efficiency of phosphate ion removal increases with the adsorbent dose (from 2.5 to 10 g/L) at an initial phosphate ion concentration of 0.1 g/L. The adsorption is well described by Langmuir and Freundlich isotherms. The results show that the Fe–AC nanocomposite has a high adsorption potential for phosphate ions from aluminate solutions, which is confirmed by SEM/EDS analysis.
期刊介绍：
Russian Metallurgy (Metally) publishes results of original experimental and theoretical research in the form of reviews and regular articles devoted to topical problems of metallurgy, physical metallurgy, and treatment of ferrous, nonferrous, rare, and other metals and alloys, intermetallic compounds, and metallic composite materials. The journal focuses on physicochemical properties of metallurgical materials (ores, slags, matters, and melts of metals and alloys); physicochemical processes (thermodynamics and kinetics of pyrometallurgical, hydrometallurgical, electrochemical, and other processes); theoretical metallurgy; metal forming; thermoplastic and thermochemical treatment; computation and experimental determination of phase diagrams and thermokinetic diagrams; mechanisms and kinetics of phase transitions in metallic materials; relations between the chemical composition, phase and structural states of materials and their physicochemical and service properties; interaction between metallic materials and external media; and effects of radiation on these materials.
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