Tennessee mines a lot of clay — and manufactures a lot of tile

Tennessee mines a lot of clay — and manufactures a lot of tile

Tennessee is one of the top clay mining states in the country. The state produces the most ball clay, which is one of six types of clay mined in the U.S. And where there is mining, there is often manufacturing. Caroline Eggers WPLN NewsPortobello America claims to have the largest “spray dryer,” shown above, in the nation. The manufacturer uses 100% gas, a fossil fuel composed mostly of methane, to heat its processes. Tennessee is considered a t…