MAN says yes to SCR development and no to NOx emissions

MAN Energy Solutions has announced the very first order for its SCR-HP (Selective Catalytic Reduction – High Pressure) product. Mitsui has ordered 3 × SCR-HP (cluster 3) units in connection with the building of three 87k-dwt bulk carriers for the Ocean 21 Holdings company.

Each bulker will equip a single MAN B&W 6S46ME-B8.5 low-speed engine delivering 9,900 kW at 84 rpm, together with a MAN TCA66 turbocharger. The engines will accordingly meet IMO Tier III emission standards. Delivery dates for the three SCR-HP packages are, respectively December 2019, and March and May 2020.

MAN SCR-HP Engine

 

Ralph Klaunig, vice president of MAN Energy Solutions, said: «The MAN SCR-HP is the market’s most compact system. Regardless, it’s always a challenge – and an important milestone – to land a first reference but we expect MAN SCR-HP sales to push on now as a result of this order. Crucially, we are now the only manufacturer capable of delivering both exhaust-gas after-treatment solutions: high-pressure selective catalytic reduction, and exhaust-gas recirculation – including an electrical turbo blower. This allows our two-stroke customers to choose their preferred option as best fits their situation. It is also another step towards a greener future for the shipping industry and global trade as a whole».

Klaunig also added: «With this engine and turbocharger – both built under license by Mitsui – and the SCR-HP built in-house at our Deggendorf facility, MAN Energy Solutions can rightly call itself a supplier of complete solutions. As an original equipment designer and manufacturer, our product knowledge gives us the greatest competence to develop and fine-tune solutions to our customers’ great benefit».

MAN CRYO AND CLEANER SHIPPING

About the SCR-HP

The MAN SCR-HP is available for two-stroke engines of all bore sizes and reduces NOx exhaust emissions to IMO Tier III limits. With specially developed honeycombs and honeycomb materials, the overall size of the reactor has been drastically reduced.

man scr hp

 

This solution comes in six frame sizes, covering engines up to 25 MW with one reactor for the entire exhaust stream. Larger engines will require two reactors, which can be arranged in a multi-setup similar to turbochargers. The system consists of the reactor, including mixing unit, urea injection lance, honeycombs and soot blowers, along with a module-based supply system, as well as the reactor’s control unit that communicates with the engine-control system.

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