- MAN Energy Solutions has announced that it is to offer its proprietary EGR system as an emissions solution for its new, low-speed ME-GA engine ME-GI dual-fuel engine.
- EGR is a NOx-emissions-reduction technique that ensures IMO Tier III-compliance in both diesel and gas mode.
- Well-proven Exhaust Gas Recirculation optimises ME-GA performance and reduces specific gas/fuel-oil consumptions by ~3% and 5% respectively.
MAN Energy Solutions, in their press release, announced to offer its proprietary EGR (Exhaust Gas Recirculation) system as an emissions solution for its new, low-speed ME-GA engine.
The company’s ME-GA engine, the Otto-cycle variant of its established ME-GI dual-fuel engine, is currently being developing at its Research Centre Copenhagen.
MAN EGR technology
MAN Energy’s experience with EGR technology stretches back to 2011 when the company reported the first order for an EGR system which was fully integrated within the MAN B&W 6S80ME-C9 main engine of a 4,500 TEU containership newbuilding.
“Nine years have passed since our very first EGR system passed its Factory Acceptance Test, and the knowledge we have subsequently gained in the field has led to today’s fully-mature solution,” said Thomas S. Hansen, Head of Promotion and Customer Support, MAN Energy Solutions.
He added, “Our EGR system not only achieves NOx-compliance, but also delivers a performance upgrade for both conventional and now ME-GA engines.”
Technology to slash Methane slip
MAN Energy Solutions claims that EGR will enable the ME-GA to reduce specific gas consumption by around 3%, and specific fuel-oil consumption by 5%.
The company also claims the technology will reduce methane slip by 30% to 50% and solve the issue related to pre-ignition on Otto-cycle engines.
The company has received orders for over 241 engines with EGR, with more than 33 units already in service, and expects to deliver the first, commercial ME-GA low-pressure dual-fuel engine by the end of 2021.
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Source: MAN ES
