Thermally Processing Gypsum Yields Myriad UsesGypsum plaster — better known as plaster of Paris to anyone who has survived kindergarten — is just one of the myriad of products produced when this naturally occurring hydrated salt compound is thermally processed. Whether employed in the pharmaceutical industry as a supplement to medicines, in the food processing to produce tofu or in beverage processing to enhance bitterness in some beers, gypsum is a versatile product for which pyro processing helps unlocks its potential.

In its H&P blog, Pittsburgh-based Heyl & Patterson looks at the myriad uses for gypsum and the ways it can be thermally processed. Depending on the end characteristics desired, fluid bed dryers and rotary calciners can be used.