New water rules put yacht expeditions at risk if treatment fails the litmus test

Environment, Marine Equipment Products and Services, Pollution, Technical, Technology, Yachting — By on April 30, 2015 at 11:39 PM

????The introduction of new wastewater treatment technologies and regulations will have an impact on the operation of super yachts with more than 12 passengers, especially those embarking on expedition type cruises, according to ACO Marine managing director Mark Beavis.

Speaking during the Palma Superyacht Show, where he presented a paper at the Quaynote Future of Refit & Repair conference, Beavis said: “When it enters into force, Resolution MEPC 227 (64) will have an enormous effect on the way superyachts manage their wastewater.”

The amendment changes current rules governing the performance of onboard water treatment plant. From 1 January 2016, the nitrogen content of the discharged effluent must be less than 20mg/l while phosphorous content cannot exceed 1mg/l.

“With an increasing trend towards expedition-type cruising, especially in ecologically sensitive areas such as the Southern Ocean, the Amazon, and the Bering Sea, the new IMO rules could have a significant impact on the yacht’s future field of operation.

“Waste water treatment is extremely important to the yacht market. Super yachts typically treat a substantial amount of water and have 100% system redundancy but luxury yacht owners and operators must start evaluating the performance of their current systems in order to make sure they are compliant, ” said Beavis.

ACO Marine this month received Bureau Veritas type approval for its new generation Maripur NF® sewage treatment system, developed specifically to ensure super yachts comply with the resolution.

“This is an important step forward in the development of the Maripur product range, ” said Beavis. “It confirms that the new ACO Maripur NF® system not only goes beyond the new IMO MEPC 227(64) standards, but also exceeds the more stringent wastewater treatment performance requirements set out in Section 4.2 of the Regulation which sets additional standards for passenger operations in IMO designated Special Areas.”

Type-approval testing has verified that the ACO Maripur NF® can reduce Coliform Bacteria to 17.5 count/100ml [standard is 100 count/100ml], TSS to 2.4mg/l [standard is 35mg/l], BOD to 7.3mg/l [standard is 25mg/l], and COD to 60mg/l [standard is 125mg/l], while nitrogen and phosphorous content is significantly below the mandated levels of 20mg/l and 1mg/l at 7.2mg/l and 0.3mg/l respectively.

ACO Marine, a subsidiary of the US$1 billion German-headquartered ACO Group, has a sales network operating worldwide and is a leading supplier of advanced wastewater treatment systems to the global commercial, naval, offshore and leisure marine sectors.

Established ten years ago, ACO Marine is a member of the international ACO Group with a sales and service network world-wide. Their unique environmental solutions are used primarily in wastewater technology, wastewater management and drainage systems. The wide range of products includes advanced membrane bioreactor systems, conventional extended aeration with ‘bio-sword’ filtration sewage treatment plants, push-fit pipe systems in both stainless and galvanised steel and fully automated high capacity grease separators. ACO Marine develops in-house solutions from its ISO 9001 accredited production facilities, all of which are located entirely within the EU.

It is the preferred supplier of wastewater treatment systems to the superyacht industry and its patented range of grease separators now claim a 75% share of the cruise market.

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