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Stena and Proman studies engine retrofit to DF diesel/methanol marine fuel operation

11 Aug 2022

Stena Teknik, Stena’s inhouse R&D division, and Proman, the world’s second largest methanol producer, on Wednesday (10 August) entered a Memorandum of Understanding (MoU) with MAN Energy Solutions to investigate the retrofit MAN 48/60 engines to make them capable of dual-fuel, diesel and methanol operation.

The latest development follows a methanol retrofit and fuel-supply solution partnership formed between Stena and Proman during October 2021.

Stefan Eefting, Head of PrimeServ Germany, and Bernd Siebert, Head of Retrofit & Upgrades, signed the MoU on behalf of MAN Energy Solutions, while Ron Gerlach, Technical Director signed on behalf of Stena. Peter Schild, Director of Marine Fuels, signed for Proman.

“MAN Energy Solutions is happy to work with industry partners on decarbonising the marine segment, a sentiment that Stena and Proman happily share,” said Eefting.

“Methanol has great potential as a future-fuel and is clean, efficient and safe to work with. It offers significant greenhouse-gas reductions, and is even net-zero when produced from renewable energy sources. I’m certain that many interested parties will be watching this retrofit’s progress.”

Under the terms of the agreement, the project will start with an initial feasibility study, defining the scope and limits of the project, the division of work and respective responsibilities.

The primary aim of this is to investigate methanol combustion according to the Otto combustion principle with MeOH port fuel injection due to the inherent advantages for legacy installations.

Developments on MeOH direct injection technology for newbuilds and the potential for later retrofits may also be considered here.

Upon successful completion of the feasibility study, the second phase would involve the retrofit of the engine(s), commissioning and field testing. The third and final phase would then involve the completion of field testing, and engine handover for commercial operation.

Related: Proman and Stena to develop a retrofit and supply solution for methanol bunkering


Photo credit: MAN Energy Solutions
Published: 11 August, 2022

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