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Design Approved for World's First Methane Oxidation Catalyst System

  • PRESS RELEASE

2022.03.16

Hitachi Zosen Corporation, Mitsui O.S.K. Lines, Ltd. , and Yanmar Power Technologies Co. , have received Approval in Principle for the Methane Oxidation Catalyst System from Nippon Kaiji Kyokai. The system reduces methane slip by placing a methane oxidation catalyst in an LNG fuel engine and oxidizing the methane. This is the first time in the world that a methane oxidation catalyst system has received Approval in Principle.

The project aims to further reduce the environmental impact of LNG fuel engine by achieving a methane slip reduction rate of more than 70% over a six-year period from FY2021 to FY2026 by combining a methane oxidation catalyst and engine improvements and verifying the design concept in actual vessels. The Approval is an important first step toward establishing the technology for this system.

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