Japanese energy company ENEOS will develop the “world’s first” commercial scale Liquid Organic Hydrogen Carrier (LOHC) project using Honeywell’s solution.
The solution will be deployed at multiple ENEOS sites, offering a “more efficient and effective” way to ship and store hydrogen using existing infrastructure.
Honeywell’s LOHC solution chemically bonds hydrogen gas into methylcyclohexane (MCH) throught Toluene Hydrogenation process, making it compatible with existing energy and chemical infrastructure.
The hydrogen at these sites will then be exported – in the same way petrochemical products are – to ENEOS in Japan in the form of MCH. Once at its destination, the hydrogen will be recovered using Honeywell’s MCH Dehydrogenation process and released for use, with the toluene sent back for additional cycles.
What are LOHCs?
LOHCs are organic compounds that exist as liquids under ambient conditions and offer a potentially safe and relatively cheap hydrogen storage mechanism, while remaining compatible with existing hydrocarbon infrastructure.
Hydrogen can be stored in and released from LOHCs through a hydrogenation/dehydrogenation process. For the hydrogenation process, an exothermic (release of heat) reaction must take place, while an endothermic (absorption of heat) reaction is required for the dehydrogenation process.
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Ken West, President and CEO of Honeywell Energy and Sustainability Solutions, believes the company’s LOHC solution provides a “method of more closely matching international supply and demand for hydrogen,” therefore enabling its role in the energy mix.
“By providing solutions to help overcome the challenges of hydrogen transportation, Honeywell is supporting ENEOS in transitioning to a hydrogen-powered future,” added West.
By collaborating with ENEOS, it will support Honeywell’s alignment of its portfolio to three megatrends: automation, the future of aviation and energy transition.
Honeywell’s view is that LOHC could enable long-distance clean hydrogen transportation, allowing existing refinery and transportation infrastructure to be used.
LOCH is expected to be less flammable and expensive to transport than liquid hydrogen, offer higher purity compared to hydrogen recovered from methanol and is non-toxic, unlike ammonia.
Valentina Di Mauro, Global Offering Manager, Naphtha Technologies and LOHC at Honeywell, previously told H2 View, “LOHC will play a critical part to implement the scale of movement that has been predicted.
“We think that there are applications for LOHCs alongside ammonia and methanol, as well as solid carriers. LOHCs address a specific part of this market.”
Elsewhere, Hydrogenious LOHC Technologies and Clarksons Specialised Products agreed to collaborate on a roadmap for a maritime supply chain of the bulk transportation of green hydrogen using LOHCs.
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