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April 20, 2020 11:30 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/wYCSi2lfrxI/a-north-dakota-utility-wants-to-build-the-worlds-largest-carbon-capture-facility-at-a-powe
A North Dakota Utility Wants To Build the World's Largest Carbon Capture Facility At a Power Plant
An anonymous reader quotes a report from IEEE Spectrum: The Milton R. Young Station, close to the town of Center in North Dakota, is as unremarkable as coal-fired power plants come. But if its owner Minnkota Power Cooperative has its way, the plant could soon be famous the world over. The Grand Forks-based electric cooperative has launched Project Tundra, an initiative to build the largest power plant-based carbon capture facility in the world, with construction commencing as early as 2022. If Minnkota Power raises the US $1 billion the project requires, it plans to retrofit the station with technology the cooperative claims will capture more than 90 percent of carbon dioxide (CO2) emitted from the plant's larger generator, a 455-megawatt unit. The effect will be the equivalent of taking 600,000 gasoline-fueled cars off the road. To sequester CO2 from the Young station, Project Tundra will make use of technology similar to that employed at the only two other existing carbon capture and storage (CCS) facilities operating at power plants in the world -- Petra Nova in Texas and Boundary Dam in Saskatchewan, Canada. The CO2-removal process begins by passing the flue gas through a scrubber to remove impurities and lower its temperature. The gas then enters an absorber, which contains a liquid-based amine solution that binds to CO2. Heat is applied to release the gas from the amines and the extracted CO2 is then compressed. Project Tundra plans to pump the liquid CO2 into sandstone rocks that lie just over a mile beneath the nearby lignite coal mine, where it will be stored permanently.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/wYCSi2lfrxI/a-north-dakota-utility-wants-to-build-the-worlds-largest-carbon-capture-facility-at-a-powe
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