This paper presents the results from an internal research study conducted at the Southwest Research Institute (SwRI) on the effects of stoichiometric mixtures of natural gas and synthesis gas with exhaust gas recirculation (EGR) on engine performance and exhaust emissions. Constant load performance and emissions test were conducted on a modified single-cylinder, Caterpillar 1Y540 research engine at 11.0 bar (160 psi) bmep. Engine performance and emissions comparisons between natural gas with EGR, and natural gas with syngas and EGR are presented. In addition, the performance characteristics of the fuel reforming catalyst are presented. Results show that thermal efficiency increases with increasing EGR for both natural gas operation and natural gas with syngas operation at constant load. The use of syngas with natural gas extended the EGR tolerance by 44.4 percent on a mass basis compared to natural gas only, leading to a 77 percent reduction in raw NO(x) emissions over the lowest natural gas with EGR NO(x) emissions.
Stoichiometric operation of a gas engine utilizing synthesis gas and EGR for NO(x) control
Stöchiometrischer Betrieb eines Gasmotors mit Synthesegas und Abgasrückführung zur NO(x)-Regelung
Transactions of the ASME, Journal of Engineering for Gas Turbines and Power ; 122 , 4 ; 617-623
2000
7 Seiten, 14 Bilder, 2 Tabellen, 15 Quellen
Article (Journal)
English
Stoichiometric Operation of a Gas Engine Utilizing Synthesis Gas and EGR for NOx Control
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