Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 273: Issue 2
Evaluating adsorption ability of granite to radioselenium by chemical sequential extraction
Authors:
Yi-Lin Jan

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Tsing-Hai Wang Department of Nuclear Science, National Tsing Hua University (NTHU), Hsinchu, 300 Taiwan

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Ming-Hsu Li Institute of Hydrological Sciences, National Central University, Jungli, 320 Taiwan

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Shih-Chin Tsai Nuclear Science and Technology Development Center, NTHU, Hsinchu, 300 Taiwan

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Yuan-Yaw Wei Nuclear Science and Technology Development Center, NTHU, Hsinchu, 300 Taiwan

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Chun-Nan Hsu Department of Nuclear Science, National Tsing Hua University (NTHU), Hsinchu, 300 Taiwan

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Shi-Ping Teng Department of Engineering and System Science, NTHU, Hsinchu, 300 Taiwan

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Pages:
299–306
Online Publication Date:
30 Jun 2007
Publication Date:
01 Aug 2007
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10967-007-6856-1
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Abstract  

A good understanding of the migration of selenite, Se(IV), through deep granitic layers depends on a good understanding of the geochemistry of these layers. Chemical sequential extraction is applied herein to evaluate the ability of granite to adsorb Se(IV) in DW, GW and SW systems. The experimental results indicate that the removal of crystalline Fe oxides reduces the adsorption of Se(IV), suggesting its importance in granite. The normalized concentrations of Se(IV) adsorbed onto crystalline Fe oxides is approximately 0.0301, 0.0330 and 0.0335 mole Se(IV) adsorbed/mole of Fe in DW, GW and SW systems. Kinetic adsorption experiments are conducted to elucidate the results of the chemical sequential extraction. Both the treated and the untreated granite take the same time to reach their equilibrium, suggesting that crystalline Fe oxides dominate the adsorption of Se(IV). Meanwhile, the one-site model suffices to simulate the kinetics of adsorption.

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Cover Journal of Radioanalytical and Nuclear Chemistry
Journal of Radioanalytical and Nuclear Chemistry
Print ISSN:
0236-5731
Online ISSN:
1588-2780

Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation		 1968
Volumes
per Year		 1
Issues
per Year		 12
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)

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