Utilization of waste lime sludge as building materials

摘要

Lime sludge (chalk) obtained from fertilizer industry has been tried as the constituent of masonry cement, burning of lime sludge to make building lime, as raw material for making flooring tiles and compounding of burnt lime waste with surkhi/fly ash to make lime-pozzolana mixtures / composite mortars. Characteristics and techno-economics of building products made out of lime sludge have been discussed.