Alfa Laval Marine & Diesel Equipment entered a long-term agreement with MAN Diesel & Turbo in 2012 to develop a new water treatment system “Pure NOx”. This has now been met with a certificate of approval by MAN Diesel & Turbo. This approval comes just before the IMO Tier III NOx standards take effect on January 1, 2016.
MAN Diesel & Turbo envisages a new comprehensive NOx abatement technology using EGR (exhaust gas recirculation) for its two-stroke marine engines to reduce NOx emissions. The EGR is compliant with the present IMO’s NOx emission regulatory codes.
Kristina Effer, Business Manager, Water Treatment Exhaust Gas Emissions, Alfa Laval Marine & Diesel Equipment opines that the Pure NOx technology prevents soot and other exhaust gas compounds from accumulating in the EGR scrubber and thus corroding the engine and also that Pure NOx water treatment system is reported to minimize sludge for onshore disposal.
The primary advantage to ship owners would be the compact size and easy installation that Pure NOx offers. This can be positioned anywhere in the engine room and the EGR system would be integrated with the engine.
Kristina Effer says that in the coming year, with the launch of the Next Gen Pure NOx Prime that is far smaller and less complex and less expensive, Alfa Laval is keeping pace with the advancements made by MAN Diesel & Turbo’s EGR system’s launch and commercialization.