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

被引：0

作者：

L. Baraniak

G. Bernhard

H. Nitsche

机构：

[1] Institute of Radiochemistry,Forschungszentrum Rossendorf e.V.

[2] The Glenn T. Seabourg Center,Lawrence Berkeley National Laboratory

来源：

Journal of Radioanalytical and Nuclear Chemistry | 2002年 / 253卷

关键词：

Clay; Cellulose; Lignin; Uranium; Sandstone;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

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.

引用

页码：185 / 190

页数：5

共 18 条

[1] Influence of hydrothermal wood degradation products on the uranium adsorption onto metamorphic rocks and sediments
Baraniak, L
Bernhard, G
Nitsche, H
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY, 2002, 253 (02) : 185 - 190
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ANDERSON, MA
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[9] Uranium(VI) Adsorption and Surface Complexation Modeling onto Background Sediments from the F-Area Savannah River Site
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