Adsorption of UO22+ on natural composite materials

J. Jung; S. P. Hyun; J. K. Lee; Y. H. Cho; P. S. Hahn

doi:10.1007/BF02345570

Adsorption of UO₂²⁺ on natural composite materials

J. Jung, S. P. Hyun, J. K. Lee, Y. H. Cho, P. S. Hahn

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

The prediction of the adsorption behavior of natural composite materials was studied by a single mineral approach. The adsorption of U(VI) on single minerals such as goethite, hematite, kaolinite and quartz was fully modeled using the diffuse-layer model in various experimental conditions. A quasi-thermodynamic database of surface complexation constants for single minerals was established in a consistent manner. In a preliminary work, the adsorption of a synthetic mixture of goethite and kaolinite was simulated using the model established for a single mineral system. The competitive adsorption of U(VI) between goethite and kaolinite can be well explained by the model. The adsorption behavior of natural composite materials taken from the Koongarra uranium deposit (Australia) was predicted in a similar manner. In comparison with the synthetic mixture, the prediction was less successful in the acidic pH range. However, the model predicted well the adsorption behavior in the neutral to alkaline pH range. Furthermore, the model reasonably explained the role of iron oxide minerals in the adsorption of U(VI) on natural composite materials.

Original language	English
Pages (from-to)	405-412
Number of pages	8
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	242
Issue number	2
DOIs	https://doi.org/10.1007/BF02345570
Publication status	Published - 1999
Externally published	Yes

Bibliographical note

Funding Information:
Fig. 7. Adsorption of U(VI) on Koongarra samples in the open system. Background electrolyte is 0.1M KNO3, U(VI) concentration is 5 I0-SM. Points are experimental data and lines are modeling results (a). Simulated distribution of U(VI) between single mineral components in sample W7 (b) This work was funded by the Nuclear R&D program of MOST, Korea. Professor Soo-Jin K1M in the department of Geological Sciences, Seoul National University is greatly acknowledged for his support on XRD analysis.

ASJC Scopus subject areas

Analytical Chemistry
Nuclear Energy and Engineering
Radiology Nuclear Medicine and imaging
Pollution
Spectroscopy
Public Health, Environmental and Occupational Health
Health, Toxicology and Mutagenesis

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1007/BF02345570

Cite this

@article{803371f5d8054ba79b38b3103cedc98d,

title = "Adsorption of UO22+ on natural composite materials",

abstract = "The prediction of the adsorption behavior of natural composite materials was studied by a single mineral approach. The adsorption of U(VI) on single minerals such as goethite, hematite, kaolinite and quartz was fully modeled using the diffuse-layer model in various experimental conditions. A quasi-thermodynamic database of surface complexation constants for single minerals was established in a consistent manner. In a preliminary work, the adsorption of a synthetic mixture of goethite and kaolinite was simulated using the model established for a single mineral system. The competitive adsorption of U(VI) between goethite and kaolinite can be well explained by the model. The adsorption behavior of natural composite materials taken from the Koongarra uranium deposit (Australia) was predicted in a similar manner. In comparison with the synthetic mixture, the prediction was less successful in the acidic pH range. However, the model predicted well the adsorption behavior in the neutral to alkaline pH range. Furthermore, the model reasonably explained the role of iron oxide minerals in the adsorption of U(VI) on natural composite materials.",

author = "J. Jung and Hyun, {S. P.} and Lee, {J. K.} and Cho, {Y. H.} and Hahn, {P. S.}",

note = "Funding Information: Fig. 7. Adsorption of U(VI) on Koongarra samples in the open system. Background electrolyte is 0.1M KNO3, U(VI) concentration is 5 I0-SM. Points are experimental data and lines are modeling results (a). Simulated distribution of U(VI) between single mineral components in sample W7 (b) This work was funded by the Nuclear R&D program of MOST, Korea. Professor Soo-Jin K1M in the department of Geological Sciences, Seoul National University is greatly acknowledged for his support on XRD analysis.",

year = "1999",

doi = "10.1007/BF02345570",

language = "English",

volume = "242",

pages = "405--412",

journal = "Journal of Radioanalytical and Nuclear Chemistry",

issn = "0236-5731",

publisher = "Akademiai Kiado ZRt.",

number = "2",

}

TY - JOUR

T1 - Adsorption of UO22+ on natural composite materials

AU - Jung, J.

AU - Hyun, S. P.

AU - Lee, J. K.

AU - Cho, Y. H.

AU - Hahn, P. S.

N1 - Funding Information: Fig. 7. Adsorption of U(VI) on Koongarra samples in the open system. Background electrolyte is 0.1M KNO3, U(VI) concentration is 5 I0-SM. Points are experimental data and lines are modeling results (a). Simulated distribution of U(VI) between single mineral components in sample W7 (b) This work was funded by the Nuclear R&D program of MOST, Korea. Professor Soo-Jin K1M in the department of Geological Sciences, Seoul National University is greatly acknowledged for his support on XRD analysis.

PY - 1999

Y1 - 1999

N2 - The prediction of the adsorption behavior of natural composite materials was studied by a single mineral approach. The adsorption of U(VI) on single minerals such as goethite, hematite, kaolinite and quartz was fully modeled using the diffuse-layer model in various experimental conditions. A quasi-thermodynamic database of surface complexation constants for single minerals was established in a consistent manner. In a preliminary work, the adsorption of a synthetic mixture of goethite and kaolinite was simulated using the model established for a single mineral system. The competitive adsorption of U(VI) between goethite and kaolinite can be well explained by the model. The adsorption behavior of natural composite materials taken from the Koongarra uranium deposit (Australia) was predicted in a similar manner. In comparison with the synthetic mixture, the prediction was less successful in the acidic pH range. However, the model predicted well the adsorption behavior in the neutral to alkaline pH range. Furthermore, the model reasonably explained the role of iron oxide minerals in the adsorption of U(VI) on natural composite materials.

AB - The prediction of the adsorption behavior of natural composite materials was studied by a single mineral approach. The adsorption of U(VI) on single minerals such as goethite, hematite, kaolinite and quartz was fully modeled using the diffuse-layer model in various experimental conditions. A quasi-thermodynamic database of surface complexation constants for single minerals was established in a consistent manner. In a preliminary work, the adsorption of a synthetic mixture of goethite and kaolinite was simulated using the model established for a single mineral system. The competitive adsorption of U(VI) between goethite and kaolinite can be well explained by the model. The adsorption behavior of natural composite materials taken from the Koongarra uranium deposit (Australia) was predicted in a similar manner. In comparison with the synthetic mixture, the prediction was less successful in the acidic pH range. However, the model predicted well the adsorption behavior in the neutral to alkaline pH range. Furthermore, the model reasonably explained the role of iron oxide minerals in the adsorption of U(VI) on natural composite materials.

UR - http://www.scopus.com/inward/record.url?scp=0032705955&partnerID=8YFLogxK

U2 - 10.1007/BF02345570

DO - 10.1007/BF02345570

M3 - Article

AN - SCOPUS:0032705955

SN - 0236-5731

VL - 242

SP - 405

EP - 412

JO - Journal of Radioanalytical and Nuclear Chemistry

JF - Journal of Radioanalytical and Nuclear Chemistry

IS - 2

ER -