Dry exhaust gas cleaning system certified by DNV GL


A dry exhaust cleaning system, or scrubber, that does not use seawater, has been certified by classification society DNV GL.

The Bicar dry scrubber developed by Solvay and Andritz was installed on the ro-pax ferry Piana operated by La Méridionale in April this year and according to a joint press release from the three companies has shown “very promising” first results.

The companies said that more than 96% of SOx were removed based on an assessment by independent third party CERTAM.

Designed to comply with the IMO 2020 regulations reducing sulphur emissions from ships to below 0.5% while continuing to allow the use of high sulphur fuel, the scrubber has now been certified by DNV GL.

Unlike other scrubber that use seawater, and in the case of open-loop systems discharge the washwater into the sea, the dry system developed by Solvay uses Solvair with Bicar as the sorbent for sulphur oxide. Andritz has been responsible for the design and engineering of the shipboard exhaust gas cleaning system.

A growing number of countries and ports have banned the discharge of washwater from open-loop scrubber systems for their waters.

Posted 26 September 2019

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Marcus Hand

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Editor, Seatrade Maritime News Marcus Hand is the editor of Seatrade Maritime News and a dedicated maritime journalist with nearly two decades of experience covering the shipping industry in Asia. In addition to running Seatrade's maritime and offshore news website based from Singapore he is the Asia Editor of Seatrade Maritime Review. Marcus is also an experienced industry commentator and has chaired many conferences and round tables. Prior to joining Seatrade at the beginning of 2010 Marcus worked for shipping industry journal Lloyd's List for a decade and previous to that the Singapore Business Times covering shipping and aviation.

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