Phosphate-doped silica gel nanocomposites for effective uranium ion remediation from water

IF 1.5 3区 化学 Q3 CHEMISTRY, ANALYTICAL
Mohammed A. Al-Anber, Idrees F. Al-Momani, Ahmed K. Hijazi, Suresh Sagadevan, Neda’a Al-Adaileh, Hannen Daoud, Mohammad M. Allaham, Dinara Sobola
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Abstract

An efficient sodium phosphate-doped silica gel nanocomposites (SG-SDP) material was successfully produced and used to collect uranyl ions from an aqueous solution via batch sorption. The nanocomposite was characterized using ATR-FTIR, SEM, XPS, and XRD techniques, and its thermal stability was determined with TGA. The efficiency of SG-SDP to capture uranyl ions was evaluated using a variety of factors, including temperature (T), pH, contact time (t), and initial concentration (Ci). Under particular conditions (pH = 2, Ci = 1.0 mg L−1, T = 55 °C, 80 rpm, and dosage = 2 g L−1), sorption equilibrium is reached in 40 min, resulting in the greatest elimination percentage of 90%. The binding of U(VI) ions conformed to the Langmuir isotherm model (R2 > 0.999), and the interaction followed a pseudo-second-order kinetic model (R2 > 0.999). These positive results indicate that the SG-SDP nanocomposite material can be used effectively to remove diluted uranium (VI) ions from water.

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来源期刊
CiteScore
2.80
自引率
18.80%
发文量
504
审稿时长
2.2 months
期刊介绍: An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.
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