To make chalk, limestone is first quarried, generally by an open pit quarry method. Next, the limestone must be crushed. Primary crushing, such as in a jaw crusher, breaks down large boulders; secondary crushing pulverizes smaller chunks into pebbles.
The topic of "energy-efficient" treatment is central to the NETZSCH philosophy and policies for the Business Field "Minerals & Mining". Whether ore, limestone, talc, graphite, cement or other basic commodities in the raw materials industry, our customers crush, classify and disperse efficiently with every run on NETZSCH production equipment.
A typical lime/limestone Flue Gas Desulfurization (FGD) system consists of three major sub-systems: The reagent (lime or limestone slurry) preparation; The scrubber/SO2 absorber and mist eliminator, and slurry/solid waste disposal systems.
Portland cement is the most common type of cement in general use around the world as a basic ingredient of concrete, mortar, stucco, and non-specialty grout.It was developed from other types of hydraulic lime in England in the mid 19th century, and usually originates from limestone.