Even though IMO Tier II regulations have not yet come into force (keel laying after 1 January 2011), clear development and research targets for fulfilling IMO Tier III (valid from 1 January 2016 in ECA areas) must already now be fixed and initiated.
A flexible and agile two-way strategy on NOx emission reduction has been chosen for our MAN B&W two-stroke engines. MAN B&W two-stroke engines will in due time, before 2016, have full design specifications for engines operating with EGR (Exhaust Gas Recirculation) and with SCR (Selective Catalyst Reduction) available for a complete engine programme.
This paper describes MAN Diesel & Turbo’s progress in the development of the EGR system