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Article

Panel discussion on next-generation ammonia synthesis

Kevin Rouwenhorst December 03, 2020

This year’s Ammonia Energy Conference included a panel discussion on next-generation ammonia synthesis, moderated by Sarb Giddey (CSIRO, Australia), and featuring panelists Doug MacFarlane (Monash University, Australia), Karthish Manthiram (MIT, United States), and Michael Stoukides (Aristotle University of Thessaloniki, Greece). The panel discussed the direct fixation of nitrogen in the form of ammonia from water and air in a single electrochemical device, which is considered the “holy grail” of ammonia synthesis. During the panel, the participants gave their perspectives on the state of the art, and the obstacles and opportunities for progress.

Article

The Cost of CO2-free Ammonia

Bunro Shiozawa November 12, 2020

If ammonia is to be introduced into the energy system as a CO2-free fuel, its cost must be at least competitive with that of other CO2-free fuels such as CO2-free hydrogen. In the discussion below I consider the cost aspect of CO2-free ammonia. To state my conclusion at the beginning, the cost of CO2-free ammonia can be less than 30 yen/Nm3-H2, which is the 2030 cost target for hydrogen energy set by the Japanese government in its "Basic Hydrogen Strategy” for introducing hydrogen energy into Japan.

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Green ammonia in Australia, Spain, and the United States

Trevor Brown October 29, 2020

The ammonia industry is transitioning towards sustainability at remarkable speed. In the last week alone, three major project announcements signal the availability of millions of tons of low-carbon ammonia this decade, and enthusiasm for rapid and complete transformation of the industry. Decarbonizing ammonia is no longer viewed as a challenge — now, this is quite clearly an opportunity.

Article

Low-carbon ammonia in Nebraska and the Netherlands

Trevor Brown October 15, 2020

Last week, two new low-carbon ammonia production projects were announced, both of them large-scale and largely CO2-free. Monolith Materials announced a 275,000 ton per year “clean ammonia” plant in Nebraska, in the heart of the US cornbelt. The plant will begin construction in 2021, expanding the existing demonstration plant, using Monolith’s methane pyrolysis process powered by 100% renewable electricity. Ørsted and Yara announced their plan to produce 75,000 tons per year of “green ammonia” at Yara’s existing Sluiskil plant in the Netherlands. They intend to install a 100 MW electrolyzer, using Ørsted’s offshore wind energy, with a final investment decision expected in 2021-2022, and production beginning in 2024-2025.

Article

US Senators Show Strong Interest in Ammonia-Fueled Shipping

Jonathan Lewis October 08, 2020

The Senate Energy and Natural Resources Committee, led by Chairman Lisa Murkowski (R-Alaska) and Ranking Member Joe Manchin (D-West Virginia), recently hosted a hearing on offshore energy technologies. I was invited to testify on technology and policy options for eliminating greenhouse gas emissions from the marine shipping sector, and I used the opportunity to spotlight ammonia's central role in that effort.

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CF Industries

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Arizona Public Service

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EPRI, GTI Launch Low-Carbon Initiative

Stephen H. Crolius September 03, 2020

Last month the Electric Power Research Institute (EPRI) and the Gas Technology Institute (GTI) announced a new undertaking: the Low-Carbon Resources Initiative (LCRI). According to the organizations’ press release, over the next five years they will work together and with collaborating companies to “accelerate the development and demonstration of low-carbon energy technologies.”

Article

Zero emission aircraft: ammonia for aviation

Trevor Brown August 20, 2020

This week, Reaction Engines announced a “ground-breaking study” on ammonia as a fuel for zero-emission aircraft. This will soon be followed by a demonstration project, “integrating the technology into a ground-based test engine.” The study combines Reaction Engines’ heat exchanger technology with the ammonia cracking technology being developed by the UK’s Science and Technology Facilities Council (STFC). By partially cracking green ammonia to hydrogen, the resulting ammonia fuel mix “mimics jet fuel,” making it possible to adapt existing engines and aircraft to use zero-emission fuels. “This means a fast transition to a sustainable aviation future is possible at low cost.”

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