Distillers Grains are a cereal byproduct of the distillation process.

There are two main sources of these grains. The traditional sources were from brewers. More recently, ethanol plants are a growing source. It is created in distilleries by drying mash, and is subsequently sold for a variety of purposes, usually as fodder for livestock (especially ruminants).

[edit] Spirit production

In beer or whiskey production grains such as corn are ground to a coarse consistency and added to hot water. After cooling, yeast is added and the mixture ferments for several days to a week. The solids remaining after fermentation are the distillers grains.

[edit] Fuel production

One 56 pound bushel of corn produces 18 pounds (2.72 gallons) of ethanol and approximately 17 pounds of distillers grains in various forms:^[1]

[edit] Types of Grains

• Distillers Dried Solubles (DDS)
• Distillers Dried Grains (DDG)
• Condensed Distillers Solubles (CDS)
• Distillers Wet Grains (DWG)
• Distillers Dried Grains with Solubles (DDGS)

[edit] References

[edit] External links

• Information page from the University of Minnesota
• Ethanol Producer Magazine
• Benefits of Distillers Grains, VeraSun
• E3 BioFuels

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