WebSep 24, 2024 · Abstract. The transient performance of a direct-drive large two-stroke marine diesel engine, installed in a vessel operating in a seaway with heavy weather, is investigated via simulation. The main engine of the ship is equipped with a selective catalytic reduction (SCR) aftertreatment system for compliance with the latest International Maritime … WebJul 2, 2024 · 1) High-Pressure SCR In the High-Pressure SCR, the reactor is placed before the turbocharger. A sufficient exhaust gas temperature is to be maintained between 300 …
SCR (Selective Catalytic Reduction) System for Marine Engines
WebNov 2, 2024 · Selective catalytic reduction (SCR) is an exhaust system emissions control technology that converts NO x into nitrogen, water, and carbon dioxide—all components of … WebFeb 1, 2024 · The present study considers an SCR system where a high pressure (150 bar) urea spray is injected towards hot exhaust gases in exhaust pipe. The system has been shown to work well in a previous experimental study but detailed characterization of the system is missing. hotels near ripon yorkshire
New High-Pressure SCR for Two-Stroke Engines Lands …
WebJan 29, 2024 · The SCR-HP comes in six frame sizes, covering engines up to 25 MW with one reactor for the entire exhaust stream. The SCR-HP system consists of the reactor – … WebJun 24, 2024 · Zhu Y, Xia C, Shreka M, et al. Combustion and emission characteristics for a marine low-speed diesel engine with high-pressure SCR system. Environ Sci Pollut Res 2024. Google Scholar. 16. Zhu Y, Hou Q, Shreka M, et al. Ammonium-salt formation and catalyst deactivation in the SCR system for a marine diesel engine. WebIn the United States, SCR systems were introduced by most engine manufacturers in 2010, to meet the US EPA NOx limit of 0.2 g/bhp-hr for heavy-duty engines. In light-duty vehicles, SCR was introduced in some US EPA Tier 2 vehicles, while others used NOx adsorbers. limited edition santa claus bobblehead