06/06/2020 – News / Maritime / Shipping / Tankers / Emissions / CO2 / Wärtsilä

Wärtsilä to deliver advanced emissions abatement tech for Knutsen shuttle tankers

A new contract will see Wärtsilä Corporation’s deliver advanced emissions abatement technology to be utilised in new generation of shuttle tankers, driving down these vessels’ CO2 equivalents (CO2e) emissions by as much as 35 per cent.

Wärtsilä’s new order will see the technology group provide its Volatile Organic Compounds (VOC) Recovery System, together with an LNG Fuel Gas Supply System, for installation in two new 124,000 DWT shuttle tankers. The ships have been ordered by Knutsen NYK Offshore Tankers (KNOT), a leading independent owner and operator of shuttle tankers, and will be built at the Daewoo Shipbuilding & Marine yard in Korea. The order with Wärtsilä was placed in April 2020.

 

With this technology, the liquefied VOC is mixed with LNG and used as fuel for the main and auxiliary engines. By using LNG as the primary fuel and supplementing this with the energy recovered from the VOC, these vessels will be able to lower their emissions of CO2 equivalents by 30 to 35 percent, a minimum of 30,000 tons per year, compared to conventional oil-fuelled shuttle tankers. Such savings are roughly the equivalent of the total emissions from approximately 20,000 cars.

 

Highly sustainable – and commercially attractive

 

“Wärtsilä has developed its VOC abatement technology over the past 20 years, and our competence in this field is unmatched in the marine sector. It means that for these vessels, with the combination of Wärtsilä’s VOC Recovery and LNG fuel systems, will not only be extremely sustainable environmentally, but will also be commercially attractive,” advised Hans Jakob Buvarp, GM of Sales at Wärtsilä Marine. “The VOCs that would otherwise be emitted to the atmosphere can instead be burned as fuel,” he added.

 

Jarle Østenstad, New Building Director at Knutsen OAS, added that as the maritime industry rapidly transitions towards greater environmental awareness and improved operational efficiency, the two new ships will reflect that change, thanks largely to Wärtsilä’s advanced technology. “They will truly represent the new generation of shuttle tankers, with vastly reduced emissions and lower fuel costs,” he added.

 

Wärtsilä’s solutions will be delivered to the yard commencing in November of this year. When delivered, the tankers will operate in the North Sea oil fields.

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