Ending the age of steam with Supercritical CO2

The age of steam has generally referred to the use of the Steam engine from 1770 to 1914 However, for power generation, we have not left the age of steam. It will take the next several decades to scale up supercritical CO2 turbines. New Supercritical CO2 power cycle could utilize pressurized oxy-combustion in conjunction with cryogenic compression to achieve the DOE goals of 90 percent CO2 removal at no more than a 35 percent increase in cost of electricity (COE) as well as high overall plant efficiencies with CO2 compression to 2,200 psia. Supercritical CO2 would use the 40% efficiency gain of going to about 800 degrees celsius to enable CO2 90% removal at the same cost as current coal or natural gas plants.

Source: nextbigfuture.com

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