The paper substantiates and proposes a method for selecting mechanization tools crushing conveyor complexes as part of cyclic-flow technology in open-pit mining. proposed methodology justifies the types means complex used at Yoshlik-1 quarry JSC “Almalyk mining metallurgical combine”. task developing optimal technological parameters equipment conditions is formulated. Optimal were selected usin...

The article presents the results of mechanical activation steel-smelting slag affecting properties gypsum composition. As a result study, parameters were identified that characterize reactivity during activation. It was established increase in number Bronsted active adsorption centers on surface formed powders is responsible for their reactivity. However, maximum activity leads to large percent...