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Tokyo Institute of Technology

https://www.titech.ac.jp/english

Content Related to Tokyo Institute of Technology

JERA targets 50% ammonia-coal co-firing by 2030
Article

JERA targets 50% ammonia-coal co-firing by 2030

Ryan Miller January 21, 2022

Japanese government funding via NEDO will support four critical ammonia energy projects, including JERA's new plan to demonstrate 50% ammonia-coal co-firing by 2030. Other projects include improved catalysts for ammonia production, low-temperature and low-pressure synthesis pathways, and developing 100% ammonia-fed

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New materials for cracking catalysts
Article

New materials for cracking catalysts

Ryan Miller September 09, 2021

Among the many challenges for cracking researchers is their choice of material to build their catalysts from. There is hope that cheaper, more readily-available materials will replace the Ruthenium-based catalysts that have dominated the field up to this point. This

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Small-Scale Ammonia Synthesis Technology on Track for 2021
Article

Small-Scale Ammonia Synthesis Technology on Track for 2021

Ryan Miller December 12, 2019

On October 6, 2019, the Nihon Keizai Shimbun published an article that confirmed a goal set at the 2017 launch of Japanese chemical technology developer Tsubame BHB. The goal is to have Tsubame’s ammonia synthesis technology ready for licensing in

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Synthesis and Assessment of Process Systems for Production of Ammonia Using Nitric Oxide in Combustion Exhaust Gas
Paper

Synthesis and Assessment of Process Systems for Production of Ammonia Using Nitric Oxide in Combustion Exhaust Gas

Ryan Miller November 14, 2019

Recently, ammonia is regarded as an alternative fuel without carbon dioxide (CO2). Numerous studies have been performed using ammonia as a fuel. Iki and Kurata confirmed the working of a prototype for the ammonia gas turbine, where ammonia burned in an environmentally benign way to generate electricity, exhausting only water and nitrogen [1]. From the view of cycle of ammonia for the development of a society with low carbon, it is required to synthesize carbon-free ammonia (green ammonia) in small plants. This green ammonia can be synthesized using renewable energy, with hydrogen from electrolysis of water and nitrogen from pressure…

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Effect of Preparation Condition on Ammonia Synthesis over Ru/CeO
Paper

Effect of Preparation Condition on Ammonia Synthesis over Ru/CeO

Ryan Miller November 14, 2019

Development of the hydrogen carrier system is of great interest to utilization of renewable energy. To store renewable energy, especially for the electricity from photovoltaic and wind turbine, fluctuation of the generated electricity is not appropriate for the stable supply of the electric power. Also, the hydrogen production by the water electrolysis with the fluctuating electricity results in the fluctuation of hydrogen production. When we store the hydrogen derived from renewable energy in the carrier compounds, it is necessary to consider the reduction or smoothing of fluctuation in the hydrogen flow rate as a feed of chemical process. Although the…

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How is the “green” evaluated for NH3?
Paper

How is the “green” evaluated for NH3?

Ryan Miller November 1, 2018

How is the “green” evaluated for NH3? Ken-ichi Aika, Tokyo Institute of Technology

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Importance of Reaction Mechanism Involved in Design of the Catalyst and the Reactor for Future Ammonia Synthesis
Paper

Importance of Reaction Mechanism Involved in Design of the Catalyst and the Reactor for Future Ammonia Synthesis

Ryan Miller October 31, 2018

The ammonia synthesis reaction is considered to involve several elementary steps [1]: N2 + 2* → 2N(a) (1) H2 + 2* → 2H(a) (2) N(a) + H(a) → NH(a) + * (3) NH(a) + H(a) → NH2 (a) + * (4) NH2 (a) + H(a) → NH3(a) + * (5) NH3(a) → NH3 + * (6) Here, the symbol * indicates empty sites. For most metal catalysts, the dissociative adsorption of dinitrogen (step 1) is the rate-determining step, and all the other steps and its reverse step (from 2 to 6) are fast enough to be almost in equilibrium for…

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NH3 Fuel Association Announces Charter Sponsors
Article

NH3 Fuel Association Announces Charter Sponsors

Ryan Miller September 28, 2017

The NH3 Fuel Association (NH3FA) has released the names of the organization’s charter group of sponsors. The common thread that unites the six companies? A conviction that ammonia energy represents a significant opportunity for their businesses. The sponsors are Yara,

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The Ammonia Economy at the ACS National Meeting
Article

The Ammonia Economy at the ACS National Meeting

Ryan Miller July 06, 2017

The American Chemical Society (ACS) has published the program for its 2017 National Meeting, which takes place next month in Washington DC and includes a session dedicated to the "Ammonia Economy." The first day of the week-long meeting, Sunday August 20th,

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Low-carbon ammonia synthesis: Japan's 'Energy Carriers'
Article

Low-carbon ammonia synthesis: Japan's 'Energy Carriers'

Ryan Miller November 11, 2016

In 2018, a pilot plant in Japan will demonstrate a new way to produce ammonia at industrial-scale, with a low carbon footprint. This is part of Japan's 'Energy Carriers' R&D initiative, which aims to develop technologies to enable the nation's

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How to create a market for low-carbon ammonia: product labeling
Article

How to create a market for low-carbon ammonia: product labeling

Ryan Miller November 04, 2016

I wrote last week about ARPA-E's "transformative" ammonia synthesis technologies, describing three technology pathways under development: low pressure Haber-Bosch, electrochemical processes, and advanced electrolysis. ARPA-E's ambitious R&D program might imply that a meaningful, commercial market for sustainable ammonia is still decades

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Australia's Concentrated Solar Fuels Program
Article

Australia's Concentrated Solar Fuels Program

Ryan Miller October 13, 2016

Solar ammonia' could be the key to the sustainable energy economies of two nations. During his talk at the 2016 NH3 Fuel Conference, Keith Lovegrove, Head of Solar Thermal at IT Power Group in Australia, said that Japan and Australia

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CO2-Free NH3
Paper

CO2-Free NH3

Ryan Miller September 30, 2016

CO2-Free NH3 Ken-ichi Aika, Tokyo Institute of Technology

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