Author:
Burakov B. E.,Strykanova E. E.,Anderson E. B.
Abstract
ABSTRACTThe formation of uranium minerals is still continuing in Chernobyl Unit No.
4. Yellow products of alteration that stain the surface of Chernobyl “lava”
have been examined by SEM and X-ray diffraction methods. Secondary minerals
of uranium identified are: UO4·4H2O studtite;
UO3·2H2O epiianthinite;
UO2·CO3 rutherfordine; also,
Na4(UO2)(CO3)3 was identified
together with the sodium carbonate phases
Na3H(CO3)2·2H2O and
Na2CO3·H2O. These minerals formed due to
the interaction between fuel-containing masses or “lava”, water and air. The
matrices of the “lava” do not contain significant amounts of sodium. The
source of sodium may be water that has penetrated into the “Sarcophagus”.
All identified secondary minerals of uranium are highly unstable, and their
continued formation can seriously endanger the radiological situation of the
4th Unit.
Publisher
Springer Science and Business Media LLC
Cited by
75 articles.
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