Bitumen Coating as a Tool for Improving the Porosity and Chemical Stability of Simulated Cement-Waste Forms

Table 7

Effective diffusion coefficient (𝐷_𝑒) and leachability index (𝐿_𝑥) of radionuclides for coated and non-coated waste forms.

Leachant solution	Non-coated		Coated
	𝐷𝑒	𝐿𝑥	𝐷𝑒	𝐿𝑥
Tapwater	1.23E − 11	9.217728	2.06E − 13	8.708159
Groundwater	1.71E − 11	9.052412	3.6E − 13	10.51706
Seawater	1.65E − 11	9.165989	3.61E − 13	10.71301