Layered Double Zinc and Aluminum Hydroxide Intercalated with Hexacyanoferrate(II) Ions for Extraction of U(VI) from Liquid Media

IF 0.8 4区材料科学 Q3 METALLURGY & METALLURGICAL ENGINEERING Protection of Metals and Physical Chemistry of Surfaces Pub Date : 2023-11-24 DOI:10.1134/S2070205123701058

N. P. Ivanov, A. N. Drankov, E. K. Papynov, A. O. Lembikov, V. Yu. Mayorov, A. N. Fedorets, G. D. Kaspruk

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Abstract—Layered double zinc and aluminum hydroxide modified with hexacyanoferrate(II) ions was synthesized for the first time by reverse deposition. The obtained samples were studied by X-ray phase analysis, scanning electron microscopy, and low-temperature nitrogen adsorption, and their sorption characteristics with respect to uranium U(VI) were studied. The sorption capacity for the modified material under static conditions, determined by the Langmuir equation, was \(q_{{\max }}^{{~l}}\) = 156.70 ± 12.38 mg/g (at phase ratio V/m = 1000 mL/g, in a monocomponent solution of uranyl nitrate UO₂(NO₃)₂ at a temperature T = 25°C and sorption time t = 24 h). Layered double zinc and aluminum hydroxide modified with hexacyanoferrate(II) ions is a promising sorbent for purification of liquid media from uranium U(VI) due to its high capacity and specific surface area, the possibility of effective use in a wide range of pH [4, 10], and low cost.

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层状双锌-氢氧化铝插层六氰铁酸盐(II)离子萃取液体介质中铀(VI

摘要:首次用反沉积法合成了六氰高铁酸盐(II)离子修饰的层状双锌铝氢氧化铝。采用x射线物相分析、扫描电镜和低温氮气吸附等方法对所得样品进行了研究，并对其对铀U(VI)的吸附特性进行了研究。在静态条件下，改性材料的吸附量由Langmuir方程确定为\(q_{{\max }}^{{~l}}\) = 156.70±12.38 mg/g(当相比V/m = 1000 mL/g时，在温度T = 25℃，吸附时间T = 24 h的硝酸铀酰UO2(NO3)2单组分溶液中进行吸附)。六氰酸盐(II)离子改性的层状双锌铝氢氧化铝因其容量大、比表面积大、可在大pH范围内有效使用[4,10]、成本低等优点，是一种很有前途的提纯铀U(VI)液体介质的吸附剂。

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来源期刊

Protection of Metals and Physical Chemistry of Surfaces 工程技术-冶金工程

CiteScore

1.90

自引率

18.20%

发文量

审稿时长

4-8 weeks

期刊介绍： Protection of Metals and Physical Chemistry of Surfaces is an international peer reviewed journal that publishes articles covering all aspects of the physical chemistry of materials and interfaces in various environments. The journal covers all related problems of modern physical chemistry and materials science, including: physicochemical processes at interfaces; adsorption phenomena; complexing from molecular and supramolecular structures at the interfaces to new substances, materials and coatings; nanoscale and nanostructured materials and coatings, composed and dispersed materials; physicochemical problems of corrosion, degradation and protection; investigation methods for surface and interface systems, processes, structures, materials and coatings. No principe restrictions exist related systems, types of processes, methods of control and study. The journal welcomes conceptual, theoretical, experimental, methodological, instrumental, environmental, and all other possible studies.