... sulfur dioxide can be removed from the waste gases before they are released from chimneys. The waste gases are treated with powdered limestone. The sulfur dioxide reacts with it to form calcium sulfate. This can be used to make plasterboard for lining interior walls paper and more with flashcards from the burning of the coal are passed through a spray of very finely ground limestone or quicklime suspended in water.Limestone is added at the top and quicklime is removed from the bottom in a continuous process. The same reaction occurs in the blast furnace. What are the Uses of Quicklime (Calcium Oxide)? Calcium oxide is used to remove silica from the blast furnace and to remove acidic gases from a power station chimney. How is Slaked Lime (Calcium ...One way to do this is by installing 'scrubbers' in the chimneys of power stations and industrial facilities. Scrubbers use wet lime/limestone (or a mixture of water and powdered limestone) to remove sulfur before it reaches the outside air.Scrubbers are an apparatus that cleans the gases passing through the smokestack of a coal-burning power plant. Due to Clean Air Act regulations,
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