ADVERTORIAL
CLEAN CRUISING
Jelle Westhof discusses new IMO legislation and why you need an exhaust after treatment system on board
he pressure is mounting on our industry to become ‘greener’ and legislation is coming thick and fast. But there are real solutions to help yachting become more sustainable and reduce emissions.
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One easy solution is to ‘clean’ exhaust gasses of the yacht’s engines. As the International Maritime Organization (IMO) is actively working to reduce vessel waste, new legislations are changing the way superyachts are being built.
As more and more ports opt to keep yachts without exhaust gas cleaning systems anchored outside, what are your options?
Emigreen is leading the way and are driving innovation within the maritime industry. They provide exhaust gas cleaning solutions including design, bespoke specification, production, installation, training and after sales support.
Today, we see new builds constructed to include a Diesel Particulate Filter (DPF) and/ or a Selective Catalytic Reduction (SCR) system. These systems are future-proof and will eliminate 98% of expelled soot, reduce NOx to below IMO Tier III levels and attenuate noise by up to 45dB(A). This
state-of-the-art technology has become an essential asset in the engine room, but just how do the Emigreen exhaust gas after- treatment systems work and what are your options for retro-fitting?
By catching 98% of the visible particles from exhaust pipes, a DPF exhaust gas cleaning system ensures that no carbon particles are left on the deck or in the surrounding waters. These next-generation systems, are a compact and reliable solution with various options to incorporate SCR and DPF systems either together or independently into one silencer housing - meaning that harmful NOx and noise emissions are a thing of the past, as is the smell of engine exhaust and soot.
Both the SCR and the DPF systems are integrated in a high performance exhaust silencer, the system can be controlled on a user-level base by a touch screen in the engine room and monitored remotely on the bridge. This is where simple settings such as a forced regeneration can be used to pre-schedule ash removals. Whatever the preferred method of maintenance is, Emigreen can tailor the system to suit the project at hand.
The solution can fit any superyacht project,
whether it be for a refit or a new build; a system can be incorporated into the design at any stage. Emigreen’s after treatment systems are custom designed to merge seamlessly into any engine room; as proven on board one of the world’s largest sailing superyachts, which features four of the systems. Here, the yacht’s general arrangement instantly benefited as the compact system requires only a bit more space than the silencer in the engine room. Plus, the system works in replacement of the yacht’s silencer which also frees up space and lessens the load.
RETRO-FITTING - HOW PAINFUL WILL IT BE? The only component of either a DPF or an SCR that does not fit through a door opening is the silencer housing. Nevertheless, we have found solutions for those issues by creating a simple jigsaw puzzle. Joining the pieces into a finished housing is simple after which the yards can install and connect the additional components like air system, fuel system and controller. And last but not least, the DPF filter elements are incredibly easy to install, making the system ready for commissioning by Emigreen engineers.
For more details Tel: +31 (0)184 415 317 or visit
www.emigreen.eu
ONBOARD | SPRING 2023 | 51
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