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Author: Trevor Brown

Ammonia as an environmentally benign energy carrier for the fast growth of China

NEWS BRIEF: A research paper was published this week by researchers from Xiamen Univeristy in China, which "proposes a scheme for an ammonia-based energy storage system in which ammonia, an environmentally benign hydrogen carrier, is expected to [resolve] the conflicts of renewable energy supply and consumption in China."

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Ammonia plant revamp to decarbonize: Yara Pilbara

This week, Yara announced major progress toward producing "green ammonia" at its plant in Pilbara, Australia. Its new partner in this project is ENGIE, the global energy and services group, which last year made a major commitment to developing large-scale renewable hydrogen projects.

I first reported Yara's plans for a solar ammonia demonstration at its Pilbara plant in September 2017. This week's announcement means that the Pilbara project has moved to the next feasibility phase. However, major elements of the project have already been designed and built: during last year's scheduled turnaround for plant maintenance, the hydrogen piping tie-in was completed - meaning that the Haber-Bosch unit is ready to receive hydrogen directly, as soon as an electrolyzer has been built to supply it with renewable feedstock.

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UK Department of Transport recommends launch of ammonia / hydrogen powered vessels within 5-15 years

In January 2019, the UK Department for Transport published a policy paper outlining its vision for the maritime sector over the coming decades. Among the many recommendations contained in Maritime 2050: navigating the future, is a medium-term objective to place "a group of hydrogen or ammonia powered domestic vessels in operation."

The "strategic ambition" driving this recommendation is the expectation that "the UK will ... lead the way in taking action on clean maritime growth enjoying economic benefits from being an early adopter or fast mover." Moving forward, these recommendations will be developed into policy in the government's forthcoming Clean Maritime Plan, scheduled to be published in Spring 2019.

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Ammonia plant revamp to decarbonize: Yara Sluiskil

Last year, Yara Sluiskil, in the Netherlands, upgraded its existing ammonia plant by introducing a hydrogen pipeline connection, thereby reducing its reliance on fossil fuels. The pipeline was commissioned in October 2018 and now "ensures the efficient and safe transport of hydrogen," which was previously a waste-product at Dow's nearby ethylene cracker. Already, the project "delivers a CO2 saving of 10,000 tons" and a decrease in energy consumption of "0.15 petajoules (PJ) per year."

This is, perhaps, the first ammonia plant decarbonization revamp, and it shows that it is both possible and affordable to reduce emissions from existing ammonia plants today.

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MAN Energy Solutions: an ammonia engine for the maritime sector

In June 2018, MAN Diesel & Turbo rebranded itself MAN Energy Solutions, reflecting the maritime engine market leader's "strategic and technological transformation" towards sustainability. The company was "taking a stand for the Paris Climate Agreement and the global pursuit of a carbon-neutral economy." According to Uwe Lauber, Chairman of the Board, "our activities have a significant impact on the global economy. In shipping, for example, we move more than half of the global stream of goods ... [and] the path to decarbonising the maritime economy starts with fuel decarbonisation, especially in container shipping."

This week, the company took a significant step towards realizing its vision, disclosing that it is "pressing ahead with developing ... an ammonia-fuelled engine." This builds on the technology development pathway that MAN ES presented at the NH3 Energy+ Topical Conference at Pittsburgh in October 2018. The budget and timeline are set: the €5 million (USD$5.7 million) project will last two to three years and, if the shipowners decide to deploy the finished product, "the first ammonia engine could then be in operation by early 2022."

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Mission Possible: decarbonizing ammonia

Mission Possible, a major report published at the end of 2018, concludes that decarbonizing ammonia production by 2050 is both technically and economically feasible. Among its 172 pages of assumptions, analysis, and explanation, Mission Possible examines production pathways and markets for green ammonia and its derivative green nitrogen fertilizers. It addresses the relatively straightforward issue of how to replace fossil feedstocks with renewable hydrogen for ammonia synthesis, as well as the more complex question of how to source or supplant the carbon dioxide molecules contained in urea, the most common nitrogen fertilizer.

The report's economic conclusions will not surprise anyone involved in ammonia production or politics. Yes, green ammonia is currently more expensive than fossil ammonia, although it won't be for long. And no, "none of the increases in end-consumer prices are sufficiently large to be an argument against forceful policies to drive decarbonization."

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Mission Possible: a roadmap for net-zero emissions in the heavy industry and heavy-duty transport sectors

Mission Possible, a recent report published by the Energy Transitions Commission, presents an extremely detailed roadmap for "Reaching net-zero carbon emissions from harder-to-abate sectors by mid-century." The report is designed to support the targets of the Paris Agreement by sending "a clear signal to policymakers, investors and businesses: full decarbonization is possible, making ambitious climate objectives achievable."

Ammonia is one of the crucial solutions that make Mission Possible possible. In its 172-pages, the report details the technologies and the economics behind decarbonizing ammonia, the "likely" adoption of ammonia as the carbon-free fuel of choice for long-distance shipping, and the "key role" ammonia will play in enabling international trade in renewable power.

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JGC Corporation demonstrates “world’s first” carbon-free ammonia energy cycle

In late 2018, JGC Corporation issued a press release to celebrate a "world's first" in ammonia energy, demonstrating at its pilot plant in Koriyama both "synthesis of ammonia with hydrogen produced through the electrolysis of water by renewable energy, and generation of electricity through gas turbines fueled by synthesized ammonia."

By demonstrating the feasibility of using ammonia on both sides of the renewable energy equation -- first, producing green ammonia from intermittent renewable electricity and, second, combusting this carbon-free fuel for power generation -- the project demonstrates the role of ammonia in the "establishment of an energy chain ... that does not emit CO2 (CO2-free) from production to power generation."

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Committee on Climate Change sees role for ammonia enabling Hydrogen for a Low-Carbon Economy

In the UK, an expansive report was published last month that examines the role of Hydrogen in a low-carbon economy. It considers ammonia's role in depth, both as a potential low-cost hydrogen carrier and as a direct fuel.

As a hydrogen carrier, "converting hydrogen to ammonia as a means of transporting it over long distances would have lower costs than transporting it as hydrogen." And used directly, ammonia is "a hydrogen-rich liquid that could be used as an alternative or complementary fuel."

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Battolyser update: combined battery-electrolyzer technology wins industry contest, targets TRL8 in 2020

Dutch start-up Battolyser BV was today declared the winner of Industrial Energy Enlightenmentz 2018. The award was announced at the annual Industry & Energy event, held at the Brightlands Chemelot Campus in Geleen, which this year focused on the theme When Electrons Power Molecules.

At the NH3 Energy+ Topical Conference last month, Hans Vrijenhoef of Proton Ventures gave the opening presentation, co-authored by Fokko Mulder of TU Delft, in which he described the battolyser's robust combination battery and electrolyzer. He also mapped out Battolyser BV's technology development and investment pathway, beginning with the kW-scale pilot plant that is already underway and expected to be operational by Spring 2019, and a MW-scale, modular, containerized plant which should be complete by the end of 2020. Reaching a technology readiness level of TRL8, Battolyser BV then aims to increase industrial scale swiftly, demonstrating a 100 MW unit by 2025 and a 1 GW battolyser by 2030.

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