DNV GL Announces New Scrubber Notation

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  • ER class notation – a natural complement to DNV GL’s Scrubber ready notation
  • Released in 2016, helps new buildings for scrubber installs
  • Allows for a smooth and cost-efficient scrubber retrofit

The shipping industries push to reduce emissions to air, and the classification society DNV GL has announced a new class notation for exhaust gas cleaning systems (EGCS).

Covers NOx removal

The new notation, Emission reduction (ER), will cover not only scrubbers for removing SOx, but selective catalytic reduction (SCR) and exhaust gas recirculation (EGR) systems for removing NOx. The new notation will be published in July 2018.

“As the 2020 IMO sulphur cap on fuel draws closer, we have been hearing more and more from ship owners and operators who are looking for guidance on the installation and approval of systems which reduce emissions to air,” says Knut Ørbeck-Nilssen, CEO of DNV GL – Maritime.

Scrubbers preferred by ship owners

The interest in installing emission reductions systems, especially scrubbers, has risen dramatically in recent months. In May 2018, the total number of vessels either ordered or installed with scrubbers stood at 817, a jump from about 300 vessels in a space of only a few months.

Bulk and containers overtake

“At the same time, we are seeing that bulk and container vessels are the segments with the most installations, overtaking cruise vessels which had been the early adopters. This indicates that owners are making their solution decisions now and many are choosing scrubbers to comply with emissions restrictions.”

Monitoring regulatory systems

The class notation sets out requirements for the design and arrangement of EGCS, SCR and EGR systems, including the piping systems which flushes wash water and/or treatment fluids, the exhaust arrangements and components, control, monitoring and safety systems as well as manufacture, workmanship and testing.

With ER, shipowners can now have the same confidence in the installation and operation of their new emission reduction systems.

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Source: DNVGL

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