MAN to Retrofit Hapag’s Container Vessel to LNG

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  • Deal signed for the conversion of 15,000 TEU MV SAJIR container vessel to dual-fuel operation.
  • The route served by MV SAJIR is from Asia to northern Europe via the Suez canal.
  • Conversion is from HFO-burning MAN B&W 9S90ME-C engine to a dual-fuel MAN B&W ME-GI prime mover capable of running on HFO and LNG.
  • Emission savings for MAN B&W two-stroke engines are significant when converting an existing HFO engine to LNG.
  • LNG in the shipping industry could reduce CO2 emissions by 15 to 20 percent and sulphur dioxide and particulate matter by more than 90 percent.
  • DNV-GL approved gas-storage system will occupy an area equivalent to 350 containers, including the pipework between storage and engine.

MAN Energy Solutions has signed a contract for the conversion of a 15,000 TEU container vessel to dual-fuel operation, says an article published in Green Car Congress.

Retrofit to dual-fuel operation

The container vessel MV SAJIR owned by Hapag-Lloyd, serves a route from Asia to northern Europe via the Suez canal.

The pilot project will entail the conversion of an existing, HFO-burning MAN B&W 9S90ME-C engine to a dual-fuel MAN B&W ME-GI (Gas Injection) prime mover capable of running on HFO and LNG.

The retrofit will be done at the Chinese Hudong/HRDD shipyard, specialized in ship repair and conversion.

What does the company think?

Wayne Jones OBE – Chief Sales Officer and Member of the Executive Board, MAN Energy Solutions said, “ this is an excellent showcase for the conversion of a mega-container vessel to LNG and the potential benefits for the market is huge.”

“By converting the ‘Sajir’, we will be the first shipping company to retrofit a container ship of this size to LNG propulsion,” said Richard von Berlepsch, Managing Director Fleet Management at Hapag-Lloyd.

“With this unprecedented pilot, we hope to learn for the future and to pave the way for large ships to be retrofitted to use this alternative fuel,” he added.

Emissions reduction and Decarbonisation

MAN Energy Solutions is once again at the forefront of technology with the ability to execute LNG conversions for both four-stroke and two-stroke engines. The emission savings for MAN B&W two-stroke engines are significant when converting an existing HFO engine to LNG.

Using LNG in the shipping industry could reduce CO2 emissions by 15 to 20 percent and sulphur dioxide and particulate matter by more than 90 percent.

The pilot project

The Hapag-Lloyd pilot project is scheduled to take place in 2020 when the five-year old vessel will spend 90 days in dock.

The DNV-GL approved gas-storage system will occupy an area equivalent to 350 containers, including the pipework between storage and engine.

Tier II and Tier III emission requirements

Wayne Jones added: “MAN Energy Solutions’ strategy is to provide complete, fully integrated solutions. Accordingly, MAN Cryo will install an entire gas system to supply gas to the main, as well as to the auxiliary engines, including a MAN Energy Solutions 300 bar high pressure Pump Vaporizer System (PVU).”

In respect to four-stroke, Jones referred to the conversion of Wessels Reederei’s ‘Wes Amelie’, a 1,036-teu container ship that was originally fitted with an MAN 8L48/60B diesel engine.

Upon conversion to a dual-fuel MAN 51/60DF unit, the ‘Wes Amelie’ reported significantly changed emissions.

The vessel now meets both the Tier II and Tier III emission requirements set by the International Maritime Organisation (IMO).

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Source: GreenCarCongress

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