Solidification and Immobilization of Heavy metals in Soil using with nano-metallic Ca/CaO Dispersion MixtureS. R. Mallampati, Y. Mitoma, T. Okuda, S. Sakita and M. KakedaE3S Web of Conferences, 1 (2013) 35002DOI: https://doi.org/10.1051/e3sconf/20130135002