New inline scrubber system design from Wärtsilä

The new Wärtsilä inline scrubber system is designed to offer notable benefits over conventional exhaust gas cleaning systems. Its compact form saves considerable space, which is particularly important in smaller vessels and when being retrofitted, while the lower cost-structure of the new design offers CAPEX advantages. With just one scrubber system per engine, installation is faster and easier, which reduces the out-of-service time for the vessel and improves the operational flexibility.

The inline scrubber system operates as a conventional Wärtsilä open loop scrubber system, but has three water inlets in the main body of the scrubber, as opposed to two in the conventional system. The exhaust flows enter from the bottom and exits at the top, with water being sprayed in three stages in a counter flow to the exhaust. A Wärtsilä-designed water trap prevents the scrubbing water from entering the engine.

Color Line’s SuperSpeed 2 will be the first vessel to utilise Wärtsilä’s new inline scrubber system. The contract was signed in June 2013 and the installation will take place in March 2014 at FaYard in Denmark. In September 2013, contracts were signed for the fitting of the Wärtsilä inline scrubber system to three other Color Line vessels.

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