Lanthanum and copper ions recovery from nickel-metal hydride cells leaching solutions by the oxide adsorbent Pyrolox®
作者： Dorota Kołodyńska , Malwina Majdańska , Tetyana M. Budnyak
DOI: 10.1016/J.JECE.2019.103003
关键词: Leaching (metallurgy) 、 Metal ions in aqueous solution 、 Aqueous solution 、 Oxide 、 Adsorption 、 Hydride 、 Inorganic chemistry 、 Potentiometric titration 、 Fourier transform infrared spectroscopy 、 Materials science
摘要: Abstract The main aim of investigations was to study adsorption effectiveness the ions contained in nickel-metal hydride cells on commercial adsorbent Pyrolox® as well estimation possible application for recovery metal from real solutions after leaching. applied adsorbents removal La(III) and Cu(II) aqueous solutions. effects solution pH, phase contact time, initial concentration capacity were evaluated. capacities determined. adsorbate content analyzed by means Inductively Coupled Plasma Optical Emission Spectroscopy Flame Atomic Absorption Spectroscopy. equilibrium kinetic characteristics uptake oxide determined order understand rate mechanism adsorption. physicochemically characterized using Fourier Transform Infrared Spectroscopy, Microscopy, Scanning Electronic Microscopy Gaseous Porosimetry. pHPZC Potentiometric Titration drift methods.
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