Reducing The CO2 Footprint Through Increased Overall Cycle Efficiency

Burrato, A. (GE Oil & Gas) | Cinelli, F. (GE Oil & Gas) | Miliani, A. (GE Oil & Gas) | Seghi, G. (GE Oil & Gas) | Lehar, M. (GE Global Research Center)


ABSTRACT: With the growing need to address greenhouse gas emissions globally, significant effort is being undertaken to identify the most promising technical options for reducing CO2 emissions resulting from human activity. This paper provides an overview of a technique to reduce CO2 emissions from fossil fueled plants using a specific technology to increase efficiency. Improvements in cycle efficiency can substantially contribute to reducing the CO2 emissions per unit of useful energy produced. In this context, the recovery of low temperature heat using an Organic Rankine Cycle (ORC) is an attractive alternative to traditional steam cycle technology. Examples of related GE research and development are included in this paper to demonstrate attractive opportunities for reducing specific CO2 emissions with ORC technology. Moreover, there are a number of GE upgrades targeted for gas turbine efficiency and emissions, which can provide a wide array of efficiency improvements and a significant reduction in CO2 footprint. LIST OF ABBREVIATION GRC GT ORC MD WHRU Global Research Center Gas Turbine Organic Rankine Cycle Mechanical Drive Waste Heat Recovery Uni

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