Process for manufacturing synthetic gypsum absorbent granules and the liquid absorbent product resulting therefrom

Abstract From the Canadian patent

Synthetic absorbent granules of calcium sulfate dihydrate are manufactured by a process which utilizes a commercial type of dry powdered gypsum plaster or calcium sulfate hemihydrate mixes the plaster with water in an inclined rotating disc machine to cause hydration to occur, and wherein the plaster is formed and grown into balls or granules of a generally predetermined size and discharged from the disc when reaching such size. The ball forming operation is started in the disc with seed material in the form of balls of a size corresponding generally to the balls to be manufactured by the process. Water spray is applied to the seed material in the rotating disc and a uniform pattern of …