MHI Group launches joint demonstration testing of CO2 liquefaction

Mitsubishi Heavy Industries, Ltd. (MHI), and two of its Group companies – Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. (MHIET) and Mitsubishi Heavy Industries Air-Conditioning & Refrigeration Corporation (MHI-AC&R) – have commenced joint demonstration testing of a system that liquefies the CO₂ captured from gas engine generator sets. It will accelerate the quest efforts to achieve carbon neutrality through offering the liquefaction system and related technologies.

In this demonstration testing program, CO₂ from gas engine generator sets, forming a part of an in-house power station at MHIET’s Sagamihara Plant, is captured by “CO₂MPACT,” a compact CO₂ capture system, and the CO₂ is liquefied in MHI-AC&R’s compact CO₂ liquefaction system. Introducing expertise of the Research & Innovation Center which is in charge of R&D in MHI Group, the demonstration testing will target early practical application. Because liquefied CO₂ has less volume than gaseous CO₂ and is more transportable, it is expected to accelerate adoption of CCUS (Carbon dioxide Capture, Utilization and Storage).

In addition, verification of operational support services using MHI’s proprietary remote monitoring system will be implemented in the CO₂ liquefaction demonstration test program. It is the same verification as that for CO₂ capture system which has already been underway in the demonstration test since 2022. The test program will lead to not only acquiring know-how relating to handling of liquefied CO₂, but also creation of a fully integrated customer support system from CO₂ capture to liquefaction.

 The CO₂ liquefaction demonstration test program will enable all processes, from CO₂ capture to liquefaction, to be conducted applying MHI Group’s comprehensive strengths. Going forward, MHI Group will continue further development of solutions, in a broad range of industrial fields including gas engine generator sets, that will contribute to environmental protection in response to the decarbonization needs of its customers and society, toward achieving a carbon neutral society.