Distillers grains

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Distillers grains is 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).

Contents

[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]

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

[edit] References

  1. ^ High quality livestock and poultry feed. Iowa Department of Agriculture and Land Stewardship. Retrieved on 2007-11-08.

[edit] External links

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