Maritime technology group Wärtsilä on Monday (8 June) said it will provide its Volatile Organic Compounds (VOC) Recovery System, together with an LNG Fuel Gas Supply System, for 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, it said.
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.
These savings are roughly the equivalent of the total emissions from approximately 20,000 cars, noted the company.
“Wärtsilä has developed its VOC abatement technology over the past 20 years, and our competence in this field is unmatched in the marine sector,” said Hans Jakob Buvarp, General Manager, Sales, Wärtsilä Marine.
“It means that for these vessels, with the combination of Wärtsilä’s VOC Recovery and LNG fuel systems, they will not only be extremely sustainable environmentally, but will also be commercially attractive.
“The VOCs that would otherwise be emitted to the atmosphere can instead be burned as fuel.”
The Wärtsilä 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.
Photo credit: Wärtsilä
Published: 9 June, 2020
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