Gypsum recycling

Recycling one metric ton of gypsum will save 28 kwh of energy and 4 pounds of, 28/25 pounds of , 800 kilograms of , 7/5 metric tons of limestone, 2 kilograms of , 3,479/4,100 pounds of

Recycling one ton of gypsum saves 1,600 pounds of, 7/5 tons of limestone, 4 pounds of , 14,600 btus of energy