Carbon Dioxide Release from OTEC Cycles

by Herbert J. Green, Solar Energy Research Inst, United States,
Peter R. Guenther, Solar Energy Research Inst, United States,

Document Type: Proceeding Paper

Part of: Ocean Energy Recovery


This paper presents the results of recent measurements of CO2 release from an open-cycle ocean thermal energy conversion (OC-OTEC) experiment. Based on these data, the immediate CO2 release from future OC-OTEC plants is projected to be 15 to 25 times smaller than that from fossil-fueled electric power plants of equal size. OTEC plant design that incorporates subsurface mixed discharge is expected to result in no long-term release. OTEC plants can significantly reduce CO2 emissions when substituted for fossil-fueled power generation.

Subject Headings: Carbon dioxide | Non-renewable energy | Electric power | Thermal power | Thermal pollution | Energy conversion | Steam power | Heat transfer | Colorado | United States

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