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The <i>NH<sub>3</sub> Kraken</i>: Amogy’s ammonia-powered tugboat

Article

The NH₃ Kraken: Amogy’s ammonia-powered tugboat

Conor Furstenberg Stott October 05, 2023

As part of our Maritime Ammonia Insights series, we explore progress onboard the NH₃ Kraken, Amogy’s ammonia-powered tug being developed in New York state. We heard updates on vessel retrofits, design points, project partners, the ongoing relationship with the US Coast Guard, HAZOP assessments, regulatory work and the remaining challenges before the tug hits the water for operational trials. Amogy’s Abigail Jablanksky and Chief Safety Solutions’ Herbert Fowlkes joined Conor Furstenberg Stott in conversation.

Article

Technology Status: Anion Exchange Membrane (AEM) Electrolysis

Kevin Rouwenhorst August 30, 2023

Anion Exchange Membrane (AEM) electrolysis combines concepts from alkaline and PEM. Although AEM can potentially offer the best of both worlds compared to conventional technology, challenges such as oxygen sensitivity, stack scale-up and current density still need to be addressed. Germany-based Enapter is leading the commercialization of AEM systems, with other electrolyzer manufacturers now developing their own products.

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Mitsui O.S.K. Lines: forging ahead with a comprehensive strategy for maritime ammonia

Conor Furstenberg Stott August 29, 2023

Earlier this year, the Japanese shipping giant declared a strategic direction which included a substantial role for low carbon ammonia. In our latest episode of Maritime Insights we explored the scope of this new strategy, MOL’s future fuels roadmap, and the wide range of initiatives in play to construct a full value chain for fuel ammonia (including mega-scale production projects).

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Technology status: alkaline electrolysis for renewable ammonia production

Kevin Rouwenhorst August 02, 2023

Alkaline electrolyzers will play a significant role in renewable ammonia production going forward. Historical developments in electrocatalysts and optimized stack design have already addressed some of the key bottlenecks in the technology, and new developments will enable flexible operations at higher pressures.

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Technology status: PEM electrolysis for renewable ammonia production

Kevin Rouwenhorst August 01, 2023

Recent PEM technology developments have centered around two issues: i) the relative scarcity of Iridium, and ii) the membrane thickness, limiting the efficiency of the PEM electrolyzer. This week we explore new approaches to both, including work by precious metal company Heraeus, and Norwegian start-up HyStar.

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Demonstrating CCS-based ammonia technologies in Japan

Kevin Rouwenhorst July 26, 2023

Our June episode of Ammonia Project Features focused on a new project in Niigata prefecture, which will demonstrate low-carbon, fossil-based ammonia production with a capacity of 500 tonnes per year. As part of the project, Japanese government organization JOGMEC will work with INPEX to develop enhanced gas recovery & CO2 sequestration monitoring technologies. Tsubame BHB will deploy its low-temperature, low-pressure ammonia synthesis technology based on an electride-supported catalyst developed at the Tokyo Institute of Technology.

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Safety and the marine ammonia engine

Conor Furstenberg Stott June 04, 2023

As part of our Maritime Ammonia Insights webinar series, we explored the safety learnings gained so far during the development of maritime ammonia fueled engines, as well as existing best practices for safe ammonia handling. John Mott (ASTI), Kaj Portin and Laura Sariola (both Wärtsilä) were joined in conversation by Conor Furstenberg Stott.

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Solid oxide electrolysis: building capacity

Kevin Rouwenhorst May 22, 2023

Solid oxide electrolysis has recently gained traction, and is fast becoming an attractive technology option for new ammonia production projects. This week we will explore a recent ISPT report, the scale-up of Topsoe’s manufacturing capacity, and several project announcements.

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Hydro-electric ammonia: project design, engineering & technology selection

Kevin Rouwenhorst May 15, 2023

To design, build & operate a hydroelectric ammonia production plant fed by electrolytic hydrogen, what considerations need to be taken into account? Our recent episode of Ammonia Project Features explored this question, focusing on an upcoming project being developed in Paraguay by ATOME, URBAS and Casale. The use of surplus hydropower, existing industrial infrastructure, proactive engineering and commercially-available, flexible ammonia synthesis technologies all adds up to a less challenging task for developers, and a potential project template going forward.

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Ammonia-powered cruising on the Baltic Sea

Sofia Furstenberg Stott May 10, 2023

The CAMPFIRE consortium is exploring the feasibility of ammonia-powered cruise liners on the Baltic Sea. Project partners Rostock Port, Yara, DNV and Carnival Maritime discussed progress to date at a recent Maritime Ammonia Insights webinar, including promising logistics, infrastructure & safety findings.