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University of Minnesota startup offers game-changing energy solutions that reduce CO2 emissions
Date:4/19/2012

MINNEAPOLIS / ST. PAUL (04/19/2012) The University of Minnesota has launched a startup that will provide renewable energy more economically than existing alternatives while reducing harmful carbon dioxide emissions from fossil fuel combustion such as from coal-burning power plants. Heat Mining Company LLC will use sequestered carbon dioxide rather than water to extract heat from deep underground and use this thermal energy to generate electricity. The use of carbon dioxide(CO2), rather than water, allows electricity to be provided from many more sites than would be possible with conventional water-based systems and does it more economically.

"CO2 Plume Geothermal technology makes production of power using geothermal heat financially feasible, where water isn't," says Ken Carpenter, Managing Partner of South Dakota-based Heat Mining Company LLC. "This technology sits at the convergence of two conflicting demands in our society: the need to burn fossil fuels for the foreseeable future and the desire to reduce carbon emissions."

CO2 Plume GeothermalTM (CPGTM) technology is an attractive solution for conventional fossil-fueled power plants, as it prevents emitted CO2, an environmental liability in the atmosphere, from being released to the air and uses it instead as the underground working fluid to extract geothermal heat for additional electricity production and/or district heating. In the process, the CO2 is permanently stored underground, resulting in a geothermal power plant with not only a neutral, but even a negative carbon footprint. The geothermal power facility can produce baseload power or provide peak-load power and thus also serve as a type of high-efficiency back-up "battery" for only intermittently available wind or solar power.

"This technology has the potential to introduce a new era of electrical power production from renewable wind, solar, and geothermal energy as
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Contact: John Merritt
jmerritt@umn.edu
612-624-2609
University of Minnesota
Source:Eurekalert

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