Producing Renewable Fuels From Renewable Energy

In the fall of 2008, XL Dairy Group, Inc. will begin operations at its Vicksburg, Arizona, facility as a self-contained biorefinery designed to produce high-grade ethanol, biodiesel, milk and dairy products, and animal feed — along with 100% of the energy required to run the plant.

The $260 million Vicksburg BioRefinery will use proprietary technology to generate ethanol with an energy efficiency ratio of 10:1. The ratio means that for every British Thermal Unit (Btu) unit of fossil fuel energy needed to produce ethanol and biodiesel, XL Dairy Group will produce 10 Btu units, nearly ten times the efficiency of a traditional dry-grind ethanol plant.

To achieve that efficiency, and generate cost savings of $0.30 to $0.35 per gallon in ethanol production and $0.50 cents per hundred weight of milk, the company will convert waste streams from the 7,500 dairy cows as well as from the fractionation, biodiesel and ethanol processes into energy to power the entire project with recycled, renewable energy.

[RenewableEnergyAccess]

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