Selective Catalytic Reduction (SCR) Aftertreatment System
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Marine-Pollution Prevention Equipment

SCR After-Treatment

Selective Catalytic Reduction (SCR) Aftertreatment System
, SCR IMO 3 Series

Product Description

Selective Catalytic Reduction (SCR) aftertreatment system for reduction of NOx from engine exhaust., Catalytic Combustion's SCR system consist of:, - Catalytic reactor (SCR), - AUS cabinet including pump and hoses, - AUS day tank with QLT, - Front exhaust temperature sensor, - AUS injector, - NOx sensors, - Rear exhaust temperature sensor, Treatment fluid system consist of:, - Reactant: Aqueous Urea Solution (AUS) Grade AUS32, AUS40 , - Urea Supply Pump: AUS gear pump (nominal pressure: 4 bar), - Pipe material: Stainless Steel

Product Ratings

Graphic Panels: Power supply 24VDC, IP65/IP66; | PLC: 24VDC, Operating temperature 0 to +60C; | Dosing manifold: 20W, 5VDC/12VDC, ambient temperature -40C to +50C, housing - Anodized aluminum, IP65; | Urea supply pump: 50W, 24VDC, ambient temperature: -20C to +50C, IP65; | NH3 CAN Module: 11 to 28VDC, 0 to 2000 ppm NH3 Range, 1 Ceramic NH3 Sensor, 1 Pressure Sensor (optional), Pressure 0 to 517 KPa (0 to 75 psia), CAN communication, response time - less than 1 s, -55 to +125C, IP67 module, 450C (maximum continuous) NH3 Sensor; | NOX//O2 CAN Module: 11 to 28 VDC, 1.2A @ 12V (steady-state), 4A @ 12V for 30s (start-up), 0 to 5000 ppm NOx range, (Lambda) 0.40 to 25, AFR 6.0 to 364, %O2 0 to 25, Response Time - Less than 1 s (NOx). Less than 150 ms (, AFR, , O2), CAN communication, -55 to +125C, IP67 module, 850C (maximum continuous) NOx sensor | Differential Pressure Transmitter: 12-36VDC/ 24VAC, 6 mA to 21.5 mA, operating temp: 17C to 71C, Enclosure rating - NEMA 1, Fire-retardant; | Pressure Sensor for Urea Dosing System: up to 1800 kPa, 16Vmax, -40/+130 C, operating pressure: 50 - 1000 kPa, operating temp: -40 to 125C, supply voltage 4.75 to 5.25V, 6 to 12.5 mA, response time 11ms, | Temperature sensors: -40C to 130C, 5V, 1 mA. | | ENGINE EXHAUST PARAMETERS: | Flow: < 150 m3/min | NOx emissions: < 11300 g/hr | Maximum Temperature: 525C | Normal Operating Temperature: > 250C

Applicable Standards

Not Available / To be Updated