this post was submitted on 07 Oct 2024
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Here we go.
Potatoes are approximately 18% starch by weight.
Total weight of potatoes: 10,000 tons = 10,000,000 kg
Starch content: 18% of 10,000,000 kg = 1,800,000 kg of starch
Starch must be broken down into glucose for fermentation. Assuming an ideal conversion:
Glucose yield: 1,800,000 kg (since starch is converted to an equal weight of glucose)
The theoretical maximum yield of ethanol from glucose fermentation is about 51.1%.
Ethanol yield: 51.1% of 1,800,000 kg = 919,800 kg of ethanol
The density of ethanol is approximately 0.789 kg/L.
Volume of ethanol: 919,800 kg ÷ 0.789 kg/L ≈ 1,165,902 liters
Vodka is typically bottled at 40% alcohol by volume (ABV).
Total vodka volume: 1,165,902 liters ÷ 0.40 ≈ 2,914,755 liters
Conclusion:
From 10,000 tons of potatoes, you can produce approximately 2.9 million liters of vodka at 40% ABV.