Japan Engine Corporation (J-ENG), the successor to Mitsubishi and the third player in the two-stroke sector, has received the first order for its 7UEC60LSE-Eco-A2-EGR engine featuring a Low Pressure EGR System (LP-EGR). The order is from Oshima Shipbuilding for a 99,000dwt bulk carrier that will be operated by NYK Line.
As a solution for NOx Tier III compliance, J-ENG developed the LP-EGR system for two-strokes claiming to have been the first engine maker to do so. J-ENG already successfully completed the on-board verification in April 2017.
LP-EGR employs a simple system arrangement for exhaust gas recirculation line and main components allowing lower pressure and temperature than the more usual HP-EGR systems. The system benefits from having no waste water drainage from the water treatment system. During Tier II operation, the LP-EGR system can also allow for lower fuel consumption by reducing the exhaust gas recirculation ratio.
Earlier this year, J-ENG also commissioned its first LP-SCR system as an alternative method to exhaust gas recirculation for NOx control on board a 600teu container ship.