Constantine, Michigan
America’s only permeate fuel ethanol plant
DD Biofuel Constantine is a joint venture with the Michigan Milk Producers Association, a co-operative founded in 1916, serving dairy farmers in Michigan, Indiana, Ohio and Wisconsin. The Constantine dairy plant processes over 2 million pounds of milk a day and produces 16,000 metric tonnes of permeate solids a year.
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Location |
455 East Water Street, Constantine, Michigan, 49042, USA |
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Product |
Denatured ethanol |
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Specifications |
ASTM D4806, EN 15376 |
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Volume |
2,300,000 gallons per year |
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Feedstock |
Dairy processing waste (liquid dairy permeate) |
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Feedstock source |
Michigan Milk Producer Association dairy plant 125 Depot St, Constantine, Michigan |
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Certifications |
Renewable Fuel Standard D5 RIN (separated food waste), ISCC EU (application pending) |
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Carbon intensity |
16.8 g/MJ (GREET 2024), 13.2 g/MJ (ISCC) |
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Plant Manager |
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QA Manager |
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Sales |
Sweet Smell of Fermentation
Fermentation target yields exceeded at full scale. Another major milestone has been reached with fermentations hitting target production…Distillation modules delivered
Modular skid mounted distillation system arrives for installation. After a 2 month voyage, the first of seventeen distillation…A Forest of Fermenters
Erection of 360,000 gallons of fermentation capacity. Another step forward with the installation of Constantine’s six fermenters. The…
