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MHI COMPLETES 22 SCRUBBER INSTALLATIONS WITH REMOTE COMMISSIONING

Friday, September 4, 2020 

Mitsubishi Shipbuilding, part of Mitsubishi Heavy Industries (MHI) Group, has successfully installed Dia-SOx exhaust gas cleaning systems on 22 ships of 3 ship types in the first eight months of 2020.

Due to Covid-19 restrictions, commissioning of the scrubbers was completed as scheduled through remote communication and cooperation with the engineers from the company's local partners in China and Singapore.

The Dia-SOx range comprises R Series and C Series. The rectangular tower design of the R Series is best suited to container ships and its multi-stream configuration can simultaneously treat exhaust gas discharged from multiple engines, including the large main engine, though a single tower. The simplified configuration assists crews in maintenance work. The C Series, with cylindrical tower design, also uses a multi-stream configuration, with flexibility for installation on various ship types.

Mitsubishi Shipbuilding provides retrofit engineering for installation of both types of scrubbers, supporting customers to in improving efficiency and reliability. On recent 14,000 TEU container ship, with Mitsubishi Shipbuilding providing engineering services, the scrubber systems were installed in built-in casings on the port side of the existing funnel, and therefore the scrubber system was installed without reducing container loading capacity. This is said to be one of the advantages of the rectangular tower configuration of the R Series.

Following sea trials and verification, the systems were approved by Nippon Kaiji Kyokai (ClassNK), Lloyd's Register (LR), American Bureau of Shipping (ABS), and other classification societies.

Mitsubishi Shipbuilding says it will continue to supply marine scrubbers and engineering services for ships built by MHI or others.

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