Cement In Vertical Shaft Kilns Cement Air Pollution
Sep 09, 2016 2.4 Cement production using Vertical Shaft Kilns. The raw materials used for cement production in Vertical Shaft Kilns VSKs are exactly the same as in any other production process, i.e. limestonechalk, marl, and clayshale. These raw materials are extracted from quarries which, in most cases, are located close to the cement plant.