Echogen selected for DOE/NETL funding to design oxy/coal-fired SCO2 heaters.


Ten projects selected on June 8 to receive funding through the National Energy Technology Laboratory’s (NETL’s) Advanced Combustion Systems Program could lower costs and improve the performance of combustion systems that generate power with near-zero emissions, the Department of Energy (DOE) said. 

The projects, which are mostly based on oxycombustion and chemical looping, include the use of higher efficiency supercritical carbon dioxide (SCO2) power cycles, further research on mature combustion technologies, and the development of novel concepts.

Making Use of Higher Efficiency SCO2 Power Cycles

The DOE  selected two projects that will use higher-efficiency SCO2 power cycles. According to NETL, the SCO2 power cycle operates in a manner similar to other turbine cycles, but it uses CO2 as the working fluid in the turbomachinery.

Thermal Integration of Closed Supercritical CO2 Brayton Power Cycles with Oxy-fired Heaters

One project entails the development of the first process designs for a closed steam cycle power plants that use SCO2 for oxy/coal-fired SCO2 heaters. Over the next two years, a team comprising the Electric Power Research Institute, Aerojet Rocketdyne, Babcock & Wilcox Power Generation Group, and Echogen Power Systems will identify technology gaps in the SCO2 Brayton power cycle plants, develop cost estimates for the plants, identify opportunities to optimize costs via changes to plant design, and identify components whose cost might be reduced by focused research and development.


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