PBST's high-pressure SCR system seals class approval

The most compact system of its type on the market, the SCR system is one of four systems originally ordered in 2018 and 2019 for vessels featuring MAN B&W two-stroke engines. The first engine was ordered by Kanax Corporation and installed in a 39,000-dwt bulk carrier built at Shin Kurushima Toyohashi Shipbuilding Co Ltd.
The new system reduces NOx exhaust emissions to make it compliant within IMO Tier III limits.

Two SCR systems have now been delivered and the others are currently en route to customers. A MAN B&W 6S46ME B8.5 engine will power each vessel, with the SCR-HP system making each vessel Tier III-compatible.

PBST vice president of sales and licence turbochargers and exhaust gas treatment Ralph Klaunig said “The results from the engine shop test were quite spectacular with the PBST SCR- HP system able to undercut the currently valid IMO III NO x values of 3.4g/kWh by more than 1g/kWh, which compares very favourably with the rest of the market.”

Makita Corporation president Yu Makita added “Representatives of our client, Toyohashi Shipyard were quite satisfied with what we have achieved. Now we are able to offer a strong and environmentally friendly Makita Mitsui MAN-B&W engine, even in the current, tough market.”

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