Environmentally sustainable operation in the Arctic Ocean

Sustainability assured 2011In September 2011, Wärtsilä was contracted by Finland-based Arctia Offshore Oy to carry out modification work to two of the company’s vessels. This turnkey project involves the fitting of combined Wärtsilä NOx Reducer (NOR) and Oxidation Catalysts (OXI) to the MSV Fennica and MSV Nordica, both of which are multi-functional vessels based on a modified icebreaker design. The ships will also be converted to enable the use of ultra-low sulphur diesel fuel.

When this conversion work is completed, the vessels will fulfil the United States Environmental Protection Agency’s (EPA) emission requirements for operating in the Arctic Ocean. This opens up the possibility for Arctia Offshore to participate in arctic oil exploration projects in an environmentally sustainable manner.

The work will involve fitting the combined Wärtsilä NOR/OXI solution to each of the eight engines that drive the two vessels. The installation schedule is divided into two parts, whereby the first set was completed in the first half of January 2012 and the second set is scheduled to be completed by the end of April 2012. The emissions control device consists of a combined abatement system, designed to reduce nitrogen oxides (NOx) and to enable the oxidation of carbon monoxide and unburned hydrocarbons. The NOR is a customised solution specifically engineered to meet the EPA’s emission standards and reduce NOx emissions by approximately 90%.

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