Calcination of Small-Grained Limestone in Fluidized Bed of Inert Granular Material. Part 1. Mathematical Description of Limestone Particle Calcinations Process - V. V. Kolesnyk; V. M. Orlyk; Yu. I. Khvastukhin; K. P. Kostohryz; V. A. Zhaivoronok (Energy Technologies and Resource Saving, 2017)