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CX-004438: Categorical Exclusion Determination

Scale Resistant Heat Exchangers for Low Temperature Geothermal Binary Cycle Power Plant
CX(s) Applied: A9, B3.6
Date: 11/16/2010
Location(s): California
Office(s): Energy Efficiency and Renewable Energy, Golden Field Office

Energent Corporation would use United States Department of Energy grant funds to demonstrate a geothermal power plant (the GEO-SRX) using a scale-resistant heat exchanger design to allow increased utilization of low temperature resources. Numerous heat exchanger configurations would be tested on a small scale in Task 1 prior to selection of the full-scale heat exchanger. This project would also demonstrate a hermetic turbine-generator assembly to be submerged in the working fluid at the existing Coso geothermal field in California.

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