Anaerobic Digestion of Thin Stillage for Biogas
Anaerobic Digestion of Thin Stillage for Biogas
Anaerobic Digestion of Thin Stillage for Biogas
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Value <strong>of</strong> <strong>Stillage</strong> ($ US/10 3 gallons ethanol produced)<br />
590<br />
540<br />
490<br />
440<br />
390<br />
340<br />
290<br />
240<br />
190<br />
140<br />
90<br />
Value <strong>of</strong> <strong>Stillage</strong> = value <strong>of</strong> biogas + value <strong>of</strong> DDGS – energy input<br />
<strong>Biogas</strong><br />
DDG and <strong>Biogas</strong><br />
60 70 80 90 100 110 120 130 140 150 160 170 180 190 200<br />
Average Natural Gas Price $6 US/mmBTU<br />
DDGS Price ($ US/ton)<br />
DDGS