Abramenkovs A., Alksnis J., Klavins M., Popelis A. and Rudzitis J.
Proceedings of the 14th International Peat Congress
humic-substances, peat, radionuclides, sorption
Abramenkovs et al 2012: Investigations of the Sorption of Radionuclides by Raised Bog Peat
Theme IV. Chemical, physical and biological characteristics of peat
This study examines the sorption of radionuclides 137Cs, 55Fe, 63Ni and 14C by the raised bog peat. The sorption experiments were performed using a batch mode and a flux mode. The initial radioactivity of the peat samples was studied before the experiments. The influence of pH and fraction’s size on the sorption of radionuclides has been studied. It was found, that pH of the liquid phase significantly influences on the sorption process of radionuclides. Experimental data confirms that peat can significantly up to 10 times reduce the concentration of radionuclides in liquid phase after 15 hours treatment.