A cement is a powdery substance made by calcining lime and clay, mixed with water to form mortar or mixed with sand, gravel, and water to make concrete.
24. USE OF LIME
• IT IS USED IN POLLUTION CONTROL, IN GAS SCRUBBERS TO
DESULFURIZE WASTE GASES AND TO TREAT MANY LIQUID INFLUENTS.
• IN MORTAR AND PLASTER TO INCREASE THE RATE OF HARDENING AS
WELL AS TO IMPROVE ADHESION.
• IT IS ALSO USED IN WATER AND SEWAGE TREATMENT TO REDUCE
ACIDITY TO SOFTEN.
• IN AGRICULTURE TO REMOVE ACIDIC SOILS.
• IN PAPER MAKING TO DISSOLVE LIGNIN, AS A COAGULANT.
