UO2-containing beryllium silicate glass, and radioactive waste liquid treatment method
A beryllium silicate, UO2 technology, applied in the field of beryllium silicate glass, can solve the problems of affecting the expected life of the material, low mechanical strength, easy to catch fire, etc., to enhance stability and corrosion resistance, enhance stability and resistance. Corrosion ability, the effect of enhancing mechanical strength
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Embodiment 1
[0037] The beryllium silicate glass of the present invention comprises the following components represented by mass percent:
[0038] a)SiO2 2 :45
[0039] b) BeO: 16
[0040] c)Na 2 O: 11
[0041] d)Al 2 o 3 :5
[0042] e) oxides of at least one transition element: 5;
[0043] f) at least one rare earth element oxide: 5;
[0044] g) UO 2 :5;
[0045] h) HfO 2 :8.
Embodiment 2
[0047] The beryllium silicate glass of the present invention comprises the following components represented by mass percent:
[0048] a)SiO2 2 :46
[0049] b) BeO: 16
[0050] c)Na 2 O: 11
[0051] d)Al 2 o 3 :5
[0052] e) oxides of at least one transition element, preferably Fe 2 o 3 、Cr 2 o 3 , MnO 2 , TcO 2 , RuO 2 : 4.5;
[0053] f) At least one rare earth element oxide: 5.5;
[0054] g) UO 2 :5;
[0055] h) HfO 2 :7.
Embodiment 3
[0057] The beryllium silicate glass of the present invention comprises the following components represented by mass percent:
[0058] a)SiO2 2 :45
[0059] b) BeO: 19
[0060] c)Na 2 O: 11
[0061] d)Al 2 o 3 :5
[0062] e) oxides of at least one transition element, preferably Fe 2 o3 、Cr 2 o 3 , MnO 2 , TcO 2 , RuO 2 : 4.5;
[0063] f) At least one rare earth element oxide: 4.5;
[0064] g)UO 2 :4;
[0065] h) HfO 2 :7.
[0066] The invention also discloses a method for treating moderately radioactive radioactive waste liquid, wherein the waste liquid selectively added with roasting aids is roasted to obtain roasted products, and then vitrification aids are added to the roasting In the product, the calcined product and the vitrification aid are melted in a water-cooled crucible to obtain a glass frit, and then the glass frit is cooled, thereby obtaining the above-mentioned beryllium silicate glass.
[0067] Wherein the roasting aid is selected from aluminum ni
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