News | EQUIPMENT
Ballast water management Wärtsilä gains USCG
approval Te recent award of United States Coastguard Type Approval to Wärtsilä’s Aquarius EC Ballast Water Management System (BWMS) is expected to open the way to further retrofit contracts for the technology. Te approval verifies that the product has met the USCG’s tough regulatory, technical, and safety requirements, and represents official endorsement of its design and efficiency principles. Te Aquarius EC is capable of treating ballast water volumes from 250m3
/hour to 4,000m3 /hour, utilising
a two-stage process, comprising both filtration and an electrolysis unit. Te company’s alternative ballast water treatment
technology, the Wärtsilä Aquarius UV system, has now completed all USCG testing requirements. Type Approval certification is expected to be granted before the end of this year, the company states.
www.wartsila.com
Equipment will be delivered to various European
yards for retrofitting these vessels between November 2018 and March 2019, when they will drydock before the summer season. In addition to these ten contracts for the 2018-19 drydock season, ACO Marine will also retrofit equipment to a total of 30 river cruise vessels scheduled to drydock in the 2019-2020 winter season.
www.acomarine.com
Coatings Bioicide free SPC
antifouling Japan’s Nippon Paint Marine has introduced what is claimed to be the world’s first biocide-free, low friction self-polishing copolymer (SPC) antifouling technol- ogy. Aquaterras is the company’s latest marine coating, and has been developed using neither biocide materi- als nor silicone. According to Nippon Paint, the technology incorpo-
rates an antifouling mechanism based around the anti-thrombogenic polymers used in the construction of artificial hearts and blood vessels in the medical sector. Te medical polymeric material was designed so that no biological substances or life would or could adhere to the surface so as to prevent blood clots, or thrombosis. Using the technology in marine paints allows a new hydrolysis polymer reaction developed at Nippon Paint to continu- ously self-polish. It also exposes active micro-domain structures to seawater, ensuring that Aquaterras provides long-term antifouling performance. Nippon Paint’s marine director, John Drew, says:
The Wärtsilä Aquarius EC Ballast Water Management System (BWMS) has been granted Type Approval by the United States Coastguard (USCG) authorities
Wastewater astewater retrofit
success ACO Marine is to retrofit wastewater treatment systems for a number of European river cruise operators. Te company will supply solutions based around its Maripur NF sewage treatment plant to ten river cruise vessels scheduled to drydock over the 2018-19 winter period. Te vessels to be retrofit- ted, operated by several different companies active in the Rhine and Danube cruising markets, include Maribelle, Prinzessin Sisi, Regina Rheni, Prinzessin Katharina, Prinzesse de Provence and Vista Fidelio.
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“Biocides are normally comparatively heavy and rough in paint formulations but since Aquaterras is without such heavy pigments we can achieve a remarkably glossy and smooth film, which is further enhanced by its in-service self-polishing. Unlike silicone coatings, Aquaterras can be applied simply without the need for costly and time-consuming masking. It can also be overcoated in the same way as today’s SPC’s and can even be applied onto existing SPC’s if they are in good enough condition.” Registered as a tin-free antifouling paint, Aquaterras
has received approvals from all the major classification societies and is certified with no ’active ingredients’ in its Type Approval Certification.
www.nipponpaint.com
Coatings Flexible tank coating from
Jotun Jotun’s latest cargo tank coating is formulated to allow for greater cargo flexibility and to give better long-term performance. Launched at this year’s
Shiprepair & Maintenance 4th Quarter 2018
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