The story here is that as temperature drops, you will need a larger and larger digester to get the same amount of biogas. What?? Yeah: here it is...
Digester volume req’d at different temps to get the same amount of biogas |
|||
---|---|---|---|
°F | °C | Slurry vol? | |
95°F | 35°C | 100% | 1 unit |
85°F | 30°C | 150% | 1½x |
75°F | 24°C | 215% | 2x plus |
65°F | 18°C | 320% | 3x plus |
55°F | 13°C | 465% | almost 5x |
45°F | 7°C | 690% | almost 7x |
Colder? | like, ginormous |
(Please click on the small picture to the right to see the largest version of the image)
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