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A Clean Order For Wärtsilä

Posted on January 25, 2012

Wärtsilä has received a contract to supply fresh water integrated scrubbers for a series of six vessels – with an option for a further two – being built to transport bulk commodities on North America’s Great Lakes and St. Lawrence Seaway, for the Canadian owner, Algoma Central Corp.

The integrated scrubbers are designed to clean the exhaust gases of the vessels’ main and auxiliary engines as well as the oil-fired boiler, enabling them to comply with current and forthcoming environmental regulations, Wärtsilä said. The Equinox Class ships, ordered by Algoma Central Corp., will be built in China at the Nantong Mingde Heavy Industrial Stock Company shipyard. The first vessel is scheduled to be delivered during the first half of 2013.

The Wärtsilä scrubber concept works with fresh water in a closed-loop system in which sulfur oxides are neutralized with caustic soda. A small amount of scrubbing water is extracted to remove contaminants in a treatment unit onboard, thereby fulfilling all the quality and monitoring requirements stipulated by the IMO, the company said. In zero discharge mode, the clean effluents are led to a holding tank for scheduled and periodical discharge. Contaminants are disposed of at reception facilities in port.

The integrated scrubber order is the last one of a series of Wärtsilä supply contracts obtained for these vessels. In addition to the scrubber system, Wärtsilä is also providing engineering support, fuel-efficient engines, propulsion machinery and a bilge water system.

For more information: www.wartsila.com

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