WASET
	%0 Journal Article
	%A Ilija Plecas and  Uranija Kozmidis-Luburic and  Radojica Pesic
	%D 2011
	%J International Journal of Physical and Mathematical Sciences
	%B World Academy of Science, Engineering and Technology
	%I Open Science Index 52, 2011
	%T Mathematical Modelling of Transport Phenomena in Radioactive Waste-Cement-Bentonite Matrix
	%U https://publications.waset.org/pdf/10606
	%V 52
	%X The leaching rate of 137Cs from spent mix bead (anion and cation) exchange resins in a cement-bentonite matrix has been studied. Transport phenomena involved in the leaching of a radioactive material from a cement-bentonite matrix are investigated using three methods based on theoretical equations. These are: the diffusion equation for a plane source an equation for diffusion coupled to a firstorder equation and an empirical method employing a polynomial equation. The results presented in this paper are from a 25-year mortar and concrete testing project that will influence the design choices for radioactive waste packaging for a future Serbian radioactive waste disposal center.

	%P 536 - 538