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EERC technology greatly improves power plant efficiency.(News)
GRAND FORKS, ND -- Researchers at the University of North Dakota (UND) Energy & Environmental Research Center (EERC) say they have made major strides to improve the efficiency and dramatically reduce emissions of coal-fired power plants by burning a combination of pure oxygen and coal to generate electricity in an advanced power system. The material used in the system is the same alloy used to make F-16 fighter jet engines, and it is the first time it has been used in a coal-fired power system.
In a demonstration project conducted at the EERC, a natural gas- and coal-fired system was used to test a very-high-temperature heat exchanger, which is the heart of an advanced high-efficiency power plant--otherwise known as an indirectly fired combined cycle (IFCC). It could hypothetically have no emissions whatsoever.
"Results of previous demonstrations while firing with air prove that the efficiency of a power plant using this technology could improve by about 30%, resulting in cheaper, cleaner energy," says EERC Senior Research Manager John Hurley.
Today's power plants burn coal and air to heat water into steam, which is blown through a turbine and turns a generator making electricity. A power plant using IFCC technology heats air to a much higher temperature in the heat exchanger and uses the hot air to turn the turbine resulting in a significantly higher ...
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