Pilot plant for membrane dehydration systems
TOKYO, September 12, 2025 - (JCN Newswire) - Mitsubishi Heavy Industries, Ltd. (MHI) has achieved the target performance of over 99.5vol% ethanol purity at a pilot plant for membrane dehydration systems (MMDS®: Mitsubishi Membrane Dehydration System) installed at MHI's Nagasaki Carbon Neutral Park within the Nagasaki District Research & Innovation Center, which meets domestic fuel standards.
Bioethanol is gaining attention as a clean fuel alternative to gasoline and as a raw material for Sustainable Aviation Fuel (SAF). However, in order to be used as fuel, the removal of moisture contained in bioethanol during the final stage of manufacturing (dehydration) is essential, and the dehydration process consumes a significant amount of energy. MMDS® aims to optimize the process by replacing the conventional method with a molecular sieve separation method(*), thereby achieving high-efficiency manufacturing while significantly reducing energy consumption by over 30%, leading to a substantial reduction in operational costs and stable production. Additionally, since MMDS® enables separation in the liquid phase, it allows for the compact design of the equipment.
Moving forward, based on the results of various element tests conducted at the pilot plant, MHI plans to accelerate development toward the construction of a demonstration plant for an early launch.
MHI is committed to advancing the development and commercialization of high-efficiency manufacturing processes for hydrogen-free bioethanol, a clean fuel derived from plants. Through these efforts, MHI will strive for early establishment and execution of decarbonization technologies, as a way of contributing to the realization of a sustainable, carbon neutral world.
(*) This method utilizes the difference in molecular size to separate substances using membranes.
Bioethanol membrane dehydration systems
(MMDS®: Mitsubishi Membrane Dehydration System) LOGO
INCHEM TOKYO 2025 Exhibition Information
Dates: September 17 (Wed) - 19 (Fri), 2025
Location: Tokyo Big Sight (Koto City, Tokyo), East Exhibition Hall
MHI Booth Number: 5-SP03
For more details on the exhibition, please visit: https://inchem.jma.or.jp/en/
About MHI Group
Mitsubishi Heavy Industries (MHI) Group is one of the world’s leading industrial groups, spanning energy, smart infrastructure, industrial machinery, aerospace and defense. MHI Group combines cutting-edge technology with deep experience to deliver innovative, integrated solutions that help to realize a carbon neutral world, improve the quality of life and ensure a safer world. For more information, please visit www.mhi.com or follow our insights and stories on spectra.mhi.com
Topic: Press release summary
Source: Mitsubishi Heavy Industries, Ltd.
Sectors: Alternative Energy
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