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Superyacht exhaust after treatment

Article by ONBOARD Magazine

CLEAN AND GREEN

Jelle Westerhof looks at the five top reasons why you need Emigreen exhaust after treatment onboard your yacht

Superyacht exhaust after treatment

In the age of global warming, climate change and plastic pollution, now is the time to be evaluating the industry’s efforts in being efficient and sustainable. The ways to earn the accolade of being ‘green’ are many and varied – but one easy solution is to ‘Clean’ exhausts and emissions. As the International Maritime Organization (IMO) is actively working to reduce vessel waste, new legislations are changing the way superyachts are being built.

More often than not, new-builds will now
include a Diesel Particulate Filter (DPF) and/or a Selective Catalytic Reduction (SCR) system. These future-proof systems eliminate 98% of expelled soot, reduce NOx to below IMO Tier III levels and reduce noise by up to 45dB(A). As this state-of-the-art technology becomes an essential asset in the engine room, we look at how the exhaust gas after-treatment systems from Emigreen actually work.

By catching 98% of the visible particles
A DPF exhaust gas cleaning system ensures that no carbon particles are left on the deck or in the surrounding waters. With their next-generation systems, Emigreen has made a compact and reliable solution with various options to incorporate SCR and DPF systems either together or independently into one silencer housing.

A vacuum cleaner and compressed air work together
On the rare occasion the elements need to be outed from the structure, the mounting frame is simply lifted out of the housing. To ensure that the superyacht can keep cruising with noise reduction in place, the solution can be supplied with additional acoustic elements.

The SCR and the DPF system are integrated in a high performance exhaust silencer
They 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, Emigreen can tailor the system to suit the project at hand.

The solution can fit any yacht project
Whether it be for a refit or a new-build, a system can be incorporated into the design at any stage. Emigreen’s aftertreatment 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.

Growing a positive reputation
Owners and their teams can play their part and install more eco-friendly innovations onboard. As more and more ports opt to keep yachts without exhaust gas cleaning systems anchored outside, get ahead of the game and find out exactly how one can be installed on your superyacht.

For more details Tel: +31 (0)184 415 317
or visit www.emigreen.eu

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