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Test of world's first SCR NOx removal system on bulker begins

Nippon Yusen Kabushiki Kaisha (NYK Line), Oshima Shipbuilding Co. Ltd., Mitsubishi Heavy Industries Ltd. (MHI), Akasaka Diesels Limited, and Sakai Chemical Industry Co., Ltd are to begin shipboard tests of selective catalytic reduction (SCR) nitrogen oxide (NOx) removal equipment installed on NYK Line’s new bulk coal carrier Initial Salute, which was built by Oshima Shipbuilding, NYK press release said. Shipboard trials of SCR NOx removal equipment were conducted during the voyage of Initial Salute. Once the equipment was verified to meet the tier III NOx emission controls stipulated by the International Maritime Organization (IMO),* it was decided to leave the equipment in place to collect more data through tests to be conducted during actual operational voyages. The installation of SCR NOx removal equipment after turbocharging, on board Initial Salute is the world's first trial on a low-speed marine diesel engine.