QUESTION 5. How well advanced is Wärtsilä’s development of exhaust gas cleaning systems and do they help to meet the new regulation?
The roots of the Wärtsilä EGC systems go back more than 50 years to when we developed the first Inert Gas Systems for use on tankers. In the early 1990’s we installed the first prototype exhaust gas scrubber on a tanker owned by Shell. However at that time there were no regulatory requirements, and hence no market demand for the product. Once the IMO regulations were in place, we were the first company to take commercial contracts, and have retained a leading position in the market since then, both in terms of the overall market areas and within various vessel segments.
Ships tend to be custom built and designed to suit a particular trade
or set of requirements from the owner. To ensure that we have a suitable solution for all, we have developed what we believe is the widest portfolio in the industry, in terms of scrubber designs, (In- Line and Venturi-type), scrubber system types (Open-loop, closed- loop and Hybrids) and sizes (From 0,5 to 70MW capacity) and all our EGC systems meet the new regulation requirements.
QUESTION 6. And what about Wärtsilä’s progress in offering gas and dual-fuel engine technologies? How advanced are you and where does LNG, for example, fit into the mix and how important could it become?
It is since fifteen years that Wärtsilä powered the first LNG- as-fuel applications in the marine industry. Since then the market
has always been expanding and so did Wärtsilä’s references. The traditional liquid fuels still represent a big portion of the business but, for understanding the order of magnitude in importance, about 50% of Wärtsilä marine engines in the order book are Dual-Fuel engines.
QUESTION 7. What are the likely key technological changes that a ship surveyor needs to be aware of as we move towards the sulphur cap?
When it comes to scrubbers, the system is built up mainly of components that are familiar to both operators and surveyors. But there is more reliance on monitoring systems. These monitoring systems are commonly used on land, but are relatively new in a marine setting.
70 | The Report • June 2018 • Issue 84
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