CO_2分離を目的とする固体電解質燃料電池複合サイクルの研究 (<小特集>動力・エネルギ-技術)

概要

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For protection of the global environment, suppression of CO_2 gas emission from power systems is required. In the present paper, separation of CO_2 gas from fossil fuel with a combined SOFC and turbine system is proposed to satisfy this requirement. The results from a model calculation of the system indicate that the total thermal efficiency of the system is higher than 60% (LHV) and increases with increase in fuel utilization and also with decreases in excess air factor, steam carbon ratio, air recirculation ratio and system pressure. Furthermore, CO_2 concentration in the exhaust gas from the present system is 1/10 or less of that from existing heat engines. In addition, CO_2 concentration supply to a CO_2 separator in the system is 10 times as high. This means that the present CO_2 separator can be minimized in volume to about 1/10 of the volume of separators applied to existing systems.
一般社団法人日本機械学会の論文
1993-09-25