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Geofluids
/
2017
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Article
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Tab 1
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Research Article
Study on the Oxidative Leaching of Uranium from the Lignite in the
System
Table 1
Chemical compositions of the lignite (wt.%) (ash basis).
Na
2
O
0.221
MgO
1.552
Al
2
O
3
19.026
SiO
2
40.335
P
2
O
5
0.094
SO
3
10.543
K
2
O
2.399
CaO
6.349
TiO
2
0.829
MnO
0.545
Fe
2
O
3
17.023
NiO
0.135
CuO
0.064
ZnO
0.055
GeO
2
0.126
As
2
O
3
0.09
Rb
2
O
0.049
SrO
0.078
Y
2
O
3
0.064
ZrO
2
0.022
WO
3
0.106
PbO
0.053
Cl
0.109
U
0.134