Journal ArticleDOI
Adsorption of uranyl onto ferric oxyhydroxides: Application of the surface complexation site-binding model
TLDR
In this paper, the surface complexation-site binding model of Davis et al. was used to predict uranyl adsorption from aqueous electrolyte solution onto well-characterized goethite, amorphous ferric oxyhydroxide and hematite sols at 25°C.About:
This article is published in Geochimica et Cosmochimica Acta.The article was published on 1985-09-01. It has received 777 citations till now. The article focuses on the topics: Uranyl carbonate & Uranyl.read more
Citations
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Impact of Alkaline Earth Metals on Aqueous Speciation of Uranium(VI) and Sorption on Quartz
Sreejesh Nair,Broder J. Merkel +1 more
TL;DR: In this paper, the effect of Mg-, Ca-, and Sr-Uranyl-Carbonato complexes with respect to sorption on quartz was studied by means of batch experiments with U(VI) concentration of 0.126 × 10−6
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Characterization of groundwater composition in Punjab state with special emphasis on uranium content, speciation and mobility
TL;DR: In this article, groundwaters were sampled from two districts (Bathinda and Mansa) of Punjab state and analyzed for their major ionic concentrations and uranium isotope compositions to assess the possible origins of the waters and water-rock interactions that occurred in the deep aquifer system.
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Mn-substituted goethite for uranium immobilization: A study of adsorption behavior and mechanisms
TL;DR: It is suggested that goethite and Mn-Goe can both play a significant role in controlling the mobility and transport of uranium(VI) in the subsurface environment, which is helpful for material development in environmental remediation.
Journal ArticleDOI
Modelling the adsorption of uranyl on the surface of goethite
TL;DR: In this paper, the adsorption of the hydrated uranyl ion on a variety of faces of goethite (α-FeOOH) has been assessed by calculation of the corresponding surface energies.
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Sorption mechanisms of three actinides on a clayey mineral
TL;DR: In this article, the retention of three actinides (U VI, Np V and Am III) on a purified clayy mineral (kaolinite/smectite) has been studied performing batch experiments.
References
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Journal ArticleDOI
Uranium solution-mineral equilibria at low temperatures with applications to sedimentary ore deposits
TL;DR: The Gibbs free energies, enthalpies and entropies of 42 dissolved uranium species and 30 uranium-bearing solid phases have been critically evaluated from the literature and estimated when necessary for 25°C.
Journal ArticleDOI
Surface ionization and complexation at the oxide/water interface
TL;DR: In this article, a method for determination of intrinsic ionization and complexation constants of oxide surface sites from potentiometric titration data is reported using these experimental properties and the stoichiometry of surface reactions, surface charge, σo, adsorption density, Γi, and diffuse layer potentials, ψd, at the oxide/water interface.
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Surface ionization and complexation at the oxide/water interface II. Surface properties of amorphous iron oxyhydroxide and adsorption of metal ions
James A. Davis,James O. Leckie +1 more
TL;DR: In this paper, the site-binding model for the electrical double layer of hydrous oxides reported in a previous paper is applied to the adsorption of metal ions from dilute solution and to complex heterogeneous systems, i.e., amorphous iron oxyhydroxide.