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 one week. The solids remaining after fermentation are the distillers grains.
The conversion rate of grains to ethanol and distillers grains varies with the different types of grains and the process used. The details are outlined below:
- The conversion rate of corn to distillers grains is: One tonne of corn produces 378 L of ethanol and 479 kg WDG (70% moisture content), or 309 kg of DDGS (10% moisture content).
- The conversion rate of wheat to distillers grains is: One tonne of wheat produces 372 L of ethanol and 457 kg WDG (70% moisture content), or 295 kg of DDGS (10% moisture content).
Read more about this topic: Distillers Grains
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—Gus Hall (b. 1910)
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—Karl Marx (1818–1883)