Feature 1 | BALLAST WATER SYSTEMS
Cruise ship project for Sumitomo Sumitomo Electric Industries is testing its technology with NYK Cruises.
management system on the Asuka II. Te two companies will co-operate in testing of the technology onboard the cruise ship, to verify that it conforms to IMO Ballast Water Convention requirements. Ecomarine incorporates filter units
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developed by Sumitomo Electric to separate large plankton and other aquatic organisms. Te ballast water management system then eliminates any remaining small organisms with a medium-pressure ultraviolet system. According to Sumitomo the design
offers significant energy savings compared with other systems, but still provides a highly reliable means of removing potentially harmful organisms from ballast water. Te company claims that the system is particularly environmentally friendly as it uses chemical-free ultraviolet ballast water management technology. Moreover, Ecomarine is designed with ease of operation and maintenance in mind,
through the combination of
filters and a compact, yet high-powered medium-pressure ultraviolet system. When tested on land using an arrangement comparable to actual use
apan’s NYK Cruises has agreed to install Sumitomo Electric’s Ecomarine ultraviolet ballast water
NYK Cruises Ashoka II will be used to test the Ecomarine system.
conditions at sea - with water treatment at 200m3
/h - Ecomarine is reported to
have demonstrated power consumption reduction and a highly efficient capacity for organism removal in line with forecasts. Tis will now be verified by the sea trials on Asuka II. Sumitomo Electric has
applied for IMO approval - due to be Class offers guidance
Classification societies are starting to issue guides to assist owners and operators meet regulatory requirements for BWT.
A 26
BS has just released its new Guide for Ballast Water Treatment as an aid to vessel owners and
operators when preparing for compliance with the IMO’s International Convention for the Control and Management of Ships’ Ballast Water and Sediments,
2004.The Convention is designed to provide a unified instrument to prevent, minimise and ultimately eliminate the transfer of harmful aquatic organisms via ships’ ballast water and sediments.
As of 1 November 2011, 30 member States representing 26.445% of world merchant shipping tonnage had ratified the Convention against a required 30 States representing 35% of the world gross tonnage. Owners mindful that the Convention
may enter into force during the first half of 2013 are examining options for both newbuilds and retrofits that will give them flexibility in terms of costs and operation, says Kirsi Tikka, ABS
chief engineer and head of the society’s environmental solutions efforts. The newly released Guide has
been developed to assist owners in understanding the classification requirements pertaining to
the
Convention. In addition to the installation parameters required for any ABS-classed vessel utilising an IMO member state type approved ballast water treatment system, the Guide offers owners two optional notations
Shiprepair and Conversion Technology 1st Quarter 2012 already
granted in March 2012 - in line with the Procedure for Approval of Ballast Water Management Systems that Make Use of Active Substances (G9). Trough ongoing land testing and the onboard tests, Sumitomo says it plans to obtain final approval that Ecomarine complies with the G9 regulations and final type approval by the end of the 2012-13 fiscal year. SRCT
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