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NOx Emissions in Marine Applications Special care is being taken to protect the environment from air pollution. IMO MARPOL NOx regulation is the dominant guideline for marine industries. IMO NOx Tier III regulations takes effect from 1 January 2016. This requires 80% less NOx emissions compared This amount of NOx reduction is generally not achieved by the engine itself. Hence, a separate device is required to meet Tier III regulations in this respect. SCR [Selective Catalytic Reduction) Principle ^ SCR is a technology which can reduce NOx in exhaust gas by a chemical reaction Urea solution is...

Main Features of NoNOx SCR System 'NoNOx is the brand name of HHI's SCR system. NoNOx SCR system can provide the most suitable solution for all marine applications, and can also be used in other industries as well. Most reliable design for marine application - HHI patented catalyst proven long durability - ACONIS* based full automatic control system - Qualified design for marine requirements Best adoptability for onboard installation - Compact components for easy installation - Design flexibility aimed at optimum installation - Good connectivity with other system units Most convenience for verification...

Main Components of NoNOx SCR System SCR Chamber Composed of catalyst, chamber, and mixing unit Guarantees best performance and easy maintenance Control Unit Full automatic control system Closed loop urea dosing control Soot Blowing Unit Maintain catalyst clean for best efficiency Sequence control to minimize compressed air consumption Urea Solution Urea Dosing Unit Supplies the proper amount of urea solution Automatic purging & self cleaning of nozzle provided Urea Supply Unit Transfer urea solution to Urea Dosing Unit Normally one unit per one vessel NoNOx SCR System verification test at HiMSEN...

Applications for Marine Application FPSO Diesel Power Plant for Stationary Application Emergency GenSets for Nuclear Power Plant PPS (Packaged Power Station) Reference List As of June 2011 Engine Type Drill Ship Firm order (18 sets) Firm order (8 sets) Drill Ship Firm order (6 sets) NoNOx Standard SCR chamber Power (kW) Weight (kg) incl. catalyst Weight (kg) incl. catalyst • For more technical information, please visit HiMSEN configurator in www.hyundai-engine.com

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