It is reported that DFDS is the first to install Alfa Laval's PureSOx system on the "Ficaria Seaways" ship in 2009. The system has been operating in open and closed loop for more than 10,000 hours. Following that successful installation, DFDS decided to install the system on two other sister ships, the Petunia Seaways and Magnolia Seaways. Both ships are equipped with a MAN 9L60MC-C mainframe with a power of 21,000 kW. Another modified vessel, the Selandia Seaways, is equipped with two GMT Sulzer 9ZA 50S four-stroke engines with a combined power of 2,1600 kW.
According to Alfa Laval, the installation of the PureSOx system will help the three ro-ro ships continue to use high-sulfur heavy oil fuels, and will also meet SOx emission limits that will be effective within 18 months. The company said that installing the PureSOx system and continuing to use heavy oil will save fuel costs by 30%-40%. “After the installation of the PureSOx system, the sulphur content of the heavy-duty oil from the 220% sulphur content of the Ro-Ro ship will fall to 0.1%,†said Kasper Moos, vice president and technical director of DFDS.
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