A plant which produced fuel alcohol from corn uses a Dupps Ring Dryer to turn spent mash into distiller's dried grain, which is sold as an animal feed ingredient.The Ring Dryer reduces the moisture content from 60% to 10% almostA plant which produced fuel alcohol from corn uses a Dupps Ring Dryer to turn spent mash into distiller's dried grain, which is sold as an animal feed ingredient.The Ring Dryer reduces the moisture content from 60% to 10% almost
instantly, and it recovers almost half of the energy needed for drying from otherwise wasted exhaust stack heat.