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Future maritime fuels with a small carbon...

Welcome by Hans Otto Kristensen, HOK Marineconsult ApS




Welcome by Hans Otto Kristensen, HOK Marineconsult ApS

Update on the GHG work in IMO by Palle Kristensen, Danish Maritime Authority

A short introduction to the Initial IMO strategy on reduction of GHG emissions from shipping and the way forward. The 2050 goal for GHG emissions from shipping requires that alternative maritime fuels with small or no GHG footprint are available within the next decade.

Technical barriers for application of advanced motor fuels by Jesper Schramm, professor at DTU

Heavy Fuel Oil has been the chosen fuel for marine engines for many years. In order to reduce GHG emissions, it has become more relevant to implement more expensive, alternative and some more advanced motor fuels. However, engine application of these fuels is associated with technical difficulties, and one should notice these issues before choosing a fuel for a certain purpose. In the presentation, a number of relevant fuels are considered in relation to engine technology, and the recent development is seen in perspective of the work of IEA’s Technology Collaboration Programme for Advanced Motor Fuels.

Alternative fuels by Claus Felby, professor at KU

Facing decarbonization, the maritime sector has a need for new fuels and likely also new propulsion systems. The fuel and technology mix of the future is likely to include electrification and biofuels while other technologies such as hydrogen and electrofuels still requires technology and infrastructure development. This presentation will describe the different fuel technologies, their potential and their compatibility with current engine technology and supply infrastructure.

Bio-methane and electro-methane by Henrik Wenzel, professor at SDU

Conventional biofuels are facing challenges of low conversion efficiency and/or too high land and biomass demand if scaled to be a global solution. A new bio-methane pathway is, however, available showing comparative system-level advantages including a negative carbon footprint and no land demand. Bio-catalysis for the methanation of biogas-CO2 with hydrogen into an electro-methane has further perspectives and is considered a close-to-market maritime fuel solution with several technologies operating at demonstration scale and a new even more promising technology on the way. In either case, the methane can be converted to an LNG fuel or to a longer chain liquid hydrocarbon fuel by further processing.

The use of alternative fuels in dual fuel two-stroke engines by René Sejer Laursen, MAN Energy Solutions

Over the past 6 years, MAN Energy Solutions has introduced new types of dual fuel engines that are capable of burning LNG, methanol, ethane gas and LPG. Lately, discussions have started about low carbon fuels to be used for shipping. MAN Energy Solutions is therefore looking into the use of ammonia. The presentation will describe the various dual fuel engine technologies that we offer for propulsion of merchant ships, and it will also describe the challenges that we face when developing a dual fuel engine for operation on ammonia.

A shipowner´s view on alternative fuels and the way ahead by John Kornerup Bang, MAERSK

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