SCR for NOx reduction - marine engines

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SCR System with Digital Airless Multipoint® urea injection for NOx-reduction

DANSK TEKNOLOGI has during the last 2 years been developing a unique SCR system for NOx-reduction on marine engines. The system is based on airless multipoint injection of urea.

The airless multipoint technology gives a high NOx-reduction, no need for compressed air (giving low auxiliary power requirements compared to conventional SCR systems), no need for a mixer and a very compact size. This again means that the complete SCR system takes up the same space as the traditional silencer which it substitutes.

The developed SCR system is based on a modular concept and can be adapted to any engine running on marine diesel.

The NOx-reduction is up to 90 % which allows the vessel to fulfil the IMO requirements of 2016 and on.

P525 the first patrol vessel with a Airless Multipoint SCR system

The Danish Navy/Danish Defence Acquisition and Logistics Organisation has ordered 2 systems manufactured and erected on the 2 main engines on P525 - a patrol vessel of the Diana class.

Assembly on vessel

The installation on the first vessel was finished ultimo October 2009.

Assembly of NOx-reduction system on P525

Picture from the first test sail, NOx reduction up to 90%

Project facts:

For more details and project facts please see: SCR System with Airless Multipoint Urea Injection for NOx-reduction in Marine Applications

Unique benefits of the multipoint SCR system

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