Sep 04, 2020 11:36 JST

Source: Mitsubishi Heavy Industries, Ltd.

Mitsubishi Shipbuilding Marine SOx Scrubber System "DIA-SOx" Installation Completed Onboard 22 Ships Year-to-Date
Successfully Completed as Scheduled through Remote Commissioning

- Rectangular tower R Series installed on container ships and cylindrical tower C Series on large oil tankers and LPG carriers
- Installation works conducted in China and Singapore, and approved by classification societies after sea trials

TOKYO, Sep 04, 2020 - (JCN Newswire) - DIA-SOx that the marine SOx scrubbers produced by Mitsubishi Shipbuilding Co., Ltd., a part of Mitsubishi Heavy Industries (MHI) Group, have been successfully installed on 22 ships of 3 ship types(1) during the last 8 months from the beginning of this year. Whilst the infection of COVID-19 is continuing its spread across the world, Mitsubishi Shipbuilding successfully enabled to complete the installations as scheduled through remote commissioning conducted via close communication and cooperation with the engineers of its local partners in China and Singapore respectively.

Arrangement of a scrubber onboard a 14,000 TEU container ship (left), and exterior after installation (right)
 

 


The line-up of DIA-SOx consists of the R Series and C Series. The rectangular tower design of the R Series is the most suitable for container ships and its multi-stream configuration can simultaneously with 1 tower treat exhaust gas discharged from multiple engines, including the large main engine. Moreover, its simplified configuration helps the ship crews to conduct the maintenance work easier. The C Series with cylindrical tower design also utilizes the multi-stream configuration, offering high flexibility that can be easily installed onboard various types of the ships.

Mitsubishi Shipbuilding also provides retrofit engineering for installation of both types of scrubbers, supporting customers to increase efficiency and improve reliability of their retrofitting projects. For 14,000 TEU (Twenty-foot Equivalent Units) container ships for which Mitsubishi Shipbuilding provided engineering services not only scrubber systems, the scrubber tower was installed in the built-in casings on the port side of the existing funnel, and therefore the scrubber system was installed without reducing container loading capacity, which is one of the advantages of the rectangular tower shape of the R Series (see pictures).

Those systems, after the verification by sea trials, got approval from Nippon Kaiji Kyokai (ClassNK), Lloyd's Register (LR), American Bureau of Shipping (ABS), and other classification societies.

As from January 1, 2020, the worldwide regulation of maximum sulfur content for fuel oil other than Emission Control Areas (ECA) has been strengthened to below 0.50% m/m (mass percent) from the previous standard of 3.50% m/m. Further, after March 2020, ships have been prohibited even from retaining onboard fuel oil with a sulfur content exceeding regulation levels. Nevertheless, the ships, approved by the relevant flag states as fitted with SOx scrubbers, can continue to use the less expensive high sulfur content fuel oil while operating the scrubbers.
Mitsubishi Shipbuilding will continue not only providing marine scrubbers, but also as an engineering company offering superior engineering services for scrubber installation to fully meet customers' needs and requests, regardless whether for retrofittings or newbuildings, for ships built by MHI or others, in order to contribute to the further development of ocean transport, and to reduce the environment load that is increasing on a global scale.

(1) R Series: 20,000 TEU container ships (5 ships), 14,000 TEU container ships (8 ships), container ships 10,000 TEU or less (5 ships)
C Series: Large oil tankers with dead-weight capacity of 300,000 tonnes (2 ships), liquefied petroleum gas (LPG) carriers (2 ships)

Source: Mitsubishi Heavy Industries, Ltd.
Sectors: Marine & Offshore

Copyright ©2025 JCN Newswire. All rights reserved. A division of Japan Corporate News Network.

Related Press Release


MHIET Launches 450kW Gas Cogeneration System Capable of Hydrogen Co-Firing
July 04 2025 14:13 JST
 
MHI Receives Order to Supply Four Circulating Water Pumps for Units 5 and 6 of Sanmen Nuclear Power Plant in China Under Collaboration with Dongfang Electric Machinery
July 02 2025 10:30 JST
 
MHI Thermal Systems Begins Field Test of Jointly Developed "Surplus Renewable Energy Absorption and Release System"
July 01 2025 21:40 JST
 
Approval in Principle (AiP) for World's First LCO2 / Methanol Carrier
June 30 2025 19:30 JST
 
MHI-AC&R Receives Recommendation Award of JARAC's 42nd Excellent Energy Saving Equipment Awards
June 30 2025 18:00 JST
 
MHI Receives Contract for Refurbishment of APM System at Singapore Changi Airport
June 25 2025 13:00 JST
 
MHI Receives Order to Supply 5 Models of Pumps, a Total of 34 Units, for Sizewell C Unit 1 and 2 in the UK from Trillium Flow Technologies
June 17 2025 16:10 JST
 
MHI Thermal Systems Receives A' Design Awards
June 04 2025 13:10 JST
 
Ministry of Energy of Uzbekistan and MHI Sign MOU to Conduct Joint Study of Decarbonization Strategy for Uzbekistan
May 27 2025 08:49 JST
 
MHI Conducts Flight Test for Hybrid-Type Medium-Sized UAV
May 22 2025 12:35 JST
 
More Press release >>

Latest Press Release


More Latest Release >>