Adsorption of uranium (VI) from aqueous solution by tetraphenylimidodiphosphinate

Tan, Juan; Wang, Yanfei; Liu, Na; Liu, Mouwu

doi:10.1007/s10967-017-5660-9

Cited by 13 publications

(2 citation statements)

References 28 publications

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“…Due to the selectivity, stability and catalytic activity of the chelating group, it has a very good effect in the adsorption of heavy metal ions [16] [17]. such as αamino-phosphonate functionalized chitosan(EA Imam et al，2018) [18]，Phosphorus-modified poly(styrene-co-divinylbenzene) (Qiong, Cao et al, 2013) [19] and tetraphenyliminodiphosphate (Htpip) (Tan J et al, 2018) [20]. The focus of this research is to study the adsorption performance of chelating groups by taking advantage of their excellent properties.…”

Section: Introductionmentioning

confidence: 99%

Preparation of phosphinimide and its adsorption of uranium in aqueous solution

Liu,

Wang,

Wang

2024

Res Chem Intermed

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The phosphinimide materials described in this paper were synthesized by polymerization precipitation. The properties of complexes coordinated with metal ions can be used as adsorbents for the adsorption of radioactive elements by using ligands such as imide and phosphorus groups. Then, the synthetic phosphinimide was characterized in detail by FT-IR, SEM, EDS and XPS, and its morphology and structural changes were studied. In addition, the effects of the material on the removal of uranium(VI) from aqueous solutions at different pH, sorbent doses, contact times, initial concentrations, and temperatures were studied. The experimental data show that the adsorption process can fit the second-order kinetic model well, which is in line with the Langmuir isotherm model. The thermodynamic study of adsorption shows that the adsorption process is a spontaneous endothermic process. In addition, at a temperature of 303.15 K and pH = 6, the maximum adsorption of uranium (VI) by phosphinimide in 25 minutes can reach 276.2 mgg -1 . Keywords phosphinimide  polymerization precipitation  adsorption  uranium (VI)  endothermy

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Section: Introductionmentioning

confidence: 99%

Preparation of phosphinimide and its adsorption of uranium in aqueous solution

Liu,

Wang,

Wang

2024

Res Chem Intermed

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“…In the practice of uranium extraction, various types of ionites are used: Strong-base, weak base, strong acid, and weak acid. Strong base ionites have found their application in the processing of ISL solutions in China [9]. Weak base ionites are often used for sorption of uranium from sulfuric acid solutions [10].…”

Section: Introductionmentioning

confidence: 99%

Uranium (VI) Recovery from Black Shale Leaching Solutions Using Ion Exchange: Kinetics and Equilibrium Studies

et al. 2020

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This work studies the removal of uranium ions from chemically leached solutions by sorption using two weak and two strong base anionites. Batch sorption experiments were performed to evaluate the optimum conditions at pH 1.2–2.2, 1.0 g resin dose for 1–12 h contact time at room temperature. These experiments addressed sorption kinetics and sorption isotherm. The maximum sorption capacity reached 55.8 mg/g at room temperature. The kinetics data are well described by the pseudo-second-order kinetic model at initial uranium concentration of 0.62 mg·L−1. To describe sorption kinetics pseudo-first-order, pseudo-second-order and intraparticle diffusion models were proposed. Studies indicated that the sorption of uranium can be fitted by a pseudo-second-order kinetic model very well. Equilibria were described by Langmuir, Freundlich, and Dubinin–Radushkevich equations. The experimental sorption isotherm is successfully described by the Langmuir model.

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Highly efficient uranium(VI) removal from aqueous solution using poly(cyclotriphosphazene-co-4,4′-diaminodiphenyl-ether) crosslinked microspheres

Wang

Liu

et al. 2019

J Radioanal Nucl Chem

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Adsorption of uranium (VI) from aqueous solution by tetraphenylimidodiphosphinate

Cited by 13 publications

References 28 publications

Preparation of phosphinimide and its adsorption of uranium in aqueous solution

Preparation of phosphinimide and its adsorption of uranium in aqueous solution

Uranium (VI) Recovery from Black Shale Leaching Solutions Using Ion Exchange: Kinetics and Equilibrium Studies

Highly efficient uranium(VI) removal from aqueous solution using poly(cyclotriphosphazene-co-4,4′-diaminodiphenyl-ether) crosslinked microspheres

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