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Ammonia Combustors

 

Ammonia, responsible for producing 45% of the world's food and fertilizers, is also emerging as a green or carbon-neutral fuel. Ideally, ammonia combustion produces only water and nitrogen gas, but in practice, it generates undesirable by-products, particularly nitrogen oxides (NOx). The challenges of ammonia combustion include its relatively low energy density (22.5 MJ/kg), low laminar burning velocity, high auto-ignition temperature, high heat of vaporization, and narrow flammability range, making it difficult to burn in air without a catalyst or flame sustainer. Despite these challenges, ammonia remains an attractive option for power generation, prompting significant research and industrial-scale efforts to enhance its viability.

 

At Applied Plasma Technologies, Corp. (APT), we are focused on the development and experimental investigation of two types of ammonia-fired devices: gas turbine combustors and thrusters with plasma assistance. We utilize our proprietary CFD code to model combustion processes. Depending on the application, our burners are equipped with either a micro-torch for ignition and flame control or an RF plasma torch to enable more complex plasma chemical processes, as illustrated by the temperature field distribution in a high-power reactor (see figure below).

 

 

Our most recent research articles, "Plasma-Assisted Ammonia Combustion. Part 1: Possibilities of Plasma Combustion of Ammonia in Air and Oxygen", published in IEEE Transactions on Plasma Science, vol. 51, no. 6, pp. 1446-1450, June 2023, and "Plasma-Assisted Ammonia Combustion. Part 2: Combustion of Ammonia in Oxygen", published in IEEE Transactions on Plasma Science, vol. 51, no. 8, pp. 2290-2294, August 2023, by I.B. Matveev, S.I. Serbin, and C. Wolf, provide further insights into our advancements in this field.

 

 

 

 

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Address: 4460 Whiting Road, Marshall, VA 20115

 

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