Ethanol
Our ethanol will be produced by fermenting a corn/water mash. The ethanol is separated, distilled, dehydrated, and blended with gasoline as a denaturant. All of the ethanol produced by Southridge will be sold as a fuel additive to improve the air quality characteristics of gasoline. As an alternative fuel or a fuel additive, ethanol has many advantages. It is made from renewable resources; it reduces air pollution; it provides an outlet for American farmers to sell their crops; and, in our case, even byproducts of the ethanol production process are turned into useful, saleable products.

Dried Distillers Grains (DDG)
Distillers Grain is an important co-product of drymill ethanol production. The drymill ethanol production process uses only the starch portion of the corn, which is about 70% of the kernel. All the remaining nutrients – protein, fat, minerals, and vitamins – are concentrated into distillers grain, a valuable feed for livestock. A bushel of corn weighs 56 pounds and will produce at least 2.8 gallons of ethanol and 17 pounds of distillers grain.

CO2
Carbon dioxide (CO2) is another product of the fermentation process that turns starch or cellulose into ethanol. Most ethanol producers simply vent their CO2 into the air, but Southridge Ethanol has chosen instead to capture the CO2 from our production process and sell it for use in the food and beverage industry. This is better for the environment and is another example of Southridge Ethanol's commitment to avoiding waste.