Krasnenko, T., Sirina, T., Viktorov, V., Rotermel, M. and Solovyov, G. 2013. Physical chemical properties of sludges of a chemical treatment of boilers feed water and ways of their utilization. Chemical Bulletin of Kazakh National University. 72, 4 (Mar. 2013), 192-197. DOI:https://doi.org/https://doi.org/10.15328/chemb_2013_4192-197.