Central MN Ethanol Co-op                          
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CENTRAL MN ETHANOL CO-OP  03/30/12 3:35:09 PM Printer Friendly VersionPrinter Friendly Version

Central MN Ethanol Co-op is located in Little Falls Minnesota on Highway 371. The plant is located 30 miles north of St. Cloud which is nearly in the center of the state.
In August 1994 the Central MN Ethanol Co-op Board of Directors was formed. The goal was to build a 15 million gallon a year ethanol plant in Little Falls. The Board overcame many problems during the construction phase of CMEC; but their time, effort and persistence paid off. Construction of the plant was completed and production began in March 1999. Due to the strong leadership of the Board of Directors and the hard work of the staff and employees the plant improved efficiencies, lowered operating costs and increased production. CMEC purchases approximately 7.5 million bushels of corn per year from a 100 mile radius and produces approximately 20.8 million gallons of ethanol per year, which is nearly 40% above our nameplate production level. CMEC's goals are to maximize plant production, risk management, to lower production costs and to satisify state & federal air emission regulations.

ETHANOL CMEC produces 200 proof (ethanol) anhydrous alcohol. For every bushel, 56 pounds, of corn that CMEC grinds, 2.76 gallons of ethanol are produced and 16 pounds of Dried Distillers Grains with Solubles. Before the ethanol can be loaded onto trucks for delivery 2% natural gasoline must be added.
Fuel grade ethanol is added to gasoline to make it burn cleaner to improve air quality and improve octane. Ethanol is a renewable clean fuel oxygenate used to replace MTBE which has been known to contaminate ground water nationwide. CMEC is a dry mill plant using corn for the production of fuel grade ethanol. This creates a value added product for the local corn producer.

DDGS - Dried Distillers Grains with Solubles During the process of making ethanol one of the by-products of fermentation is fat, fiber and protein which are separated centrifically then collected and dried. The solids are then put through a dryer to reduce the level of moisture to 12 percent. The by-product, DDGS is used by the dairy, beef, swine and poultry industries as a feed supplement. There is a minimum crude protein of 27%, a minimum crude fat of 8%, maximum crude fiber of 15%, maximum ash of 8% and 1% sulpher. There is more detailed information at the University of Minnesota website that you can access from our links page.


Wetcake is fat, fiber and proteins in a non dried form of DDGS. The moisture content of Wetcake is 67% with 32% solids. The wetcake is also used as a feed supplement with lower cost to the end user.

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