Two liquefied natural gas (LNG) fuelled new buildings of Singapore-based AET Tankers will be using Volatile Organic Compounds (VOC) recovery technology from technology group Wartsila.
The shuttle tankers, currently under constructions at the Samsung Heavy Industries shipyard in South Korea, will each be able to save over 3,000 metric tonnes (mt) of fuel each year with the upgrade, says Wartsila.
The ships which operate on LNG as the primary fuel will also use VOC – the gas evaporating from the oil cargo tanks – as fuel by mixing it with the LNG, thereby reducing the vessels’ bunkering needs.
The 277 metres long, 125,000 DWT tankers will operate mainly for Statoil, the Norwegian state owned energy company, in the North Sea.
“Wartsila is once again ahead of the curve with its VOC recovery technology, which was a key consideration in the award of this contract,” says Timo Koponen, Vice President, Vice President, Processing Solutions, Wartsila Marine Solutions.
“The fuel savings efficiency of the system enables a fast pay-back time, while the reduction in emissions of CO2 equivalents is as much as 40%when compared to conventional solutions.”
Wartsila’s scope of supply for each of these ships includes the VOC recovery plant, the liquefied VOC fuel tank, the fuel mixing unit, the LNG fuel tank and fuel supply system, the gas valve unit (GVU) and two Wärtsilä 34DF dual-fuel auxiliary engines.
The contract value is worth more than EUR 30 million ($37.4 million).
Photo credit: Wartsila
Published: 27 March, 2018
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