Record Details

Title Optimization of Non-Condensable Gas Removal System in Geothermal Power Plant
Authors Tajima, Shigeru; Nomura, Mitsuo
Year 1982
Conference Geothermal Resources Council Transactions
Keywords Power Generation; Japan; Tokyo; Turbines; Operating Designs; Steam; Compressors; Condenser; Gas Removal System; Back Pressure Turbine; Economics
Abstract Optimization of non-condensable gas (herein after called N.C.G.) removal system in geothermal power station, in a special case that geothermal steam contains large amount of non-condensable gas, is subject to be discussed. Four different alternative N.C.G. removal systems are studies, which are 1) Steam jet gas ejectors, 2) Centrifugal gas compressor; 3) Combined systems of steam ejectors and centrifugal compressors and 4) Back pressure turbine without N.C.G. removal system. This report summarizes the results of a study, and give recommendations as to the most suitable gas removal system, and also as to optimum condenser pressure, in case of large quantity N.C.G. content in geothermal steam.
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