Influence of hydrothermal wood degradation products on the uranium adsorption onto metamorphic rocks and sediments

L. Baraniak; G. Bernhard; H. Nitsche

doi:10.1023/a:1019657503952

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 253: Issue 2

Influence of hydrothermal wood degradation products on the uranium adsorption onto metamorphic rocks and sediments

Authors:

L. Baraniak

L. Baraniak Institute of Radiochemistry Forschungszentrum Rossendorf e.V. Rossendorf Austria

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G. Bernhard

G. Bernhard Institute of Radiochemistry Forschungszentrum Rossendorf e.V. Rossendorf Austria

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, and

H. Nitsche

H. Nitsche The Glenn T. Seabourg Center Lawrence Berkeley National Laboratory Berkeley CA USA

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Pages:: 185–190

Online Publication Date:: 01 Nov 2004

Publication Date:: 17 Aug 2002

Article Category:: Research Article

DOI:: https://doi.org/10.1023/a:1019657503952

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Abstract

The influence of highly functionalized saccharic and phenolic polymers that are formed in the process of hydrothermal wood degradation on the uranium(VI) adsorption onto metamorphic rocks and sediments from the Saxon uranium mining sites Schlema-Alberoda and Königstein was investigated in a laboratory study. Uranium(VI) adsorption from a simulated mine water takes place on the majority of rocks and sediments such as granite, gneiss, basalt, sandstone and clay marl. Exceptions are phyllite and clay stone that do not bind any uranium from the mine water. Polymeric wood degradation products such as fragments of celluloses and lignin increase the uranium(VI) adsorption whereas the presence of saccharic and phenolic monomers (vanillic acid and gluconic acid) leads to a lower adsorption.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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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)