摘要:
The present invention provides processes to immobilize radioactive and/or hazardous waste in a borosilicate glass, the waste containing one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds. The invention also provides borosilicate glass compositions for use in immobilizing radioactive and/or hazardous waste.
摘要:
An electrode-coating glass composition of the present invention satisfies −9.5≦A≦−4, 3000≦B≦3900 and 240≦C≦320 in Fulcher's equation logη=A+B/(T−C), which defines the temperature (T[° C.]) dependence of viscosity (η[dPa·s]). Furthermore, the absolute value |Δlogη| of the difference between values of logη at temperatures of 50° C. above and below a softening point is at least 4.2. Such an electrode-coating glass composition can be achieved, for example, by a glass composition containing at least one of BaO and Al2O3, and 40 to 66 wt % of PbO, 2 to 25 wt % of SiO2, 5 to 40 wt % of B2O3, 0 to 20 wt % of BaO, 0 to 8 wt % of Al2O3, 0 to 2 wt % of CuO, and 0 to 2 wt % of CeO2.
摘要翻译:本发明的电极涂覆玻璃组合物在富勒氏方程(logeta)= A + B /(TC)中满足-9.5≤A≤4,3000≤B= 3900和240 <= C <320,其中 定义温度(T [℃])粘度依赖性(eta [dPa.s])。 此外,绝对值| Deltalogeta | 在高于和低于软化点的50℃的温度下,洛美的值的差异至少为4.2。 这样的电极涂覆玻璃组合物可以通过例如含有BaO和Al 2 O 3 3的至少一种的玻璃组合物和40〜66wt% 的PbO,2〜25重量%的SiO 2,5〜40重量%的B 2 O 3 3,0〜20重量%的SiO 2 BaO,0〜8重量%的Al 2 O 3 3,0〜2重量%的CuO和0〜2重量%的CeO 2 SUB >。