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Sturman Industries' Dual-Fuel Ammonia Engine
Article

Sturman Industries' Dual-Fuel Ammonia Engine

Stephen H. Crolius October 21, 2016

Eddie Sturman, noted inventor and co-founder of Sturman Industries, has been developing ammonia internal-combustion-engine (ICE) technology for several years – "at least six, maybe more." At the 2016 NH3 Fuel Conference, he provided the most in-depth look so far at the results of Sturman Industries' R&D program. Specifically, his talk featured a dual-fuel compression ignition engine powered by a combination of diesel fuel and ammonia.

A Roadmap for Ammonia Fuel in Fujian Province
Article

A Roadmap for Ammonia Fuel in Fujian Province

Trevor Brown October 13, 2016

Researchers from Fujian Province presented their work at the 2016 NH3 Fuel Conference, and introduced the far-reaching plans of the Ammonia Fuel Synergy group at the College of Energy, Xiamen University, in China. Forest (Zhaolin) Wang's presentation, Ammonia as a Key to Meeting the Fuel Demand of China, contained valuable insight into the potential of ammonia fuel in China, and outlined the group's roadmaps for developing an ammonia-natural gas dual fueled car by 2018, and an ammonia-methanol dual fuel car by 2020.

Ammonia Turbine Power Generation with Reduced NOx
Article

Ammonia Turbine Power Generation with Reduced NOx

Trevor Brown October 06, 2016

A common concern with ammonia fuel is that NOx emissions will be too high to control. However, in new research from Turkey, USA, and Japan, presented at this year's NH3 Fuel Conference in September 2016, two things became clear. First, NOx emissions can be reduced to less than 10ppm by employing good engineering design and exploiting the chemical properties of ammonia, which plays a dual role as both the fuel and the emissions-cleanup agent. Second, the deployment of ammonia-fueled turbines for power generation is not only feasible, but actively being developed, with demonstration units running today and improved demonstration projects currently in development.

Presentation

Development of ammonia / natural gas dual fuel gas turbine combustor

Shintaro ItoSoichiro KatoTsukasa SaitoToshiro FujimoriHideaki Kobayashi

NH3 is a carbon-free fuel, so it has the potential to reduce CO2 emission from the power plant when used as a fuel. However, NH3 has combustion characteristics different from conventional hydrocarbon fuels. The N atom in the ammonia molecule causes high NOx emission through combustion reactions. To develop a gas-turbine combustor, which burns a combination of NH3 and natural gas with controlled emissions, combustion characteristics have been studied experimentally and numerically by using a swirl-burner, which is typically used in gas-turbines. Detailed exhaust gas compositions of the burner have been measured under atmospheric pressure and fuel lean conditions. As…

Power Generation and Flame Visualization of Micro Gas Turbine Firing Ammonia or Ammonia-Methane Mixture
Presentation

Power Generation and Flame Visualization of Micro Gas Turbine Firing Ammonia or Ammonia-Methane Mixture

Norihiko IkiOsamu KurataTakayuki MatsunumaTakahiro InoueTaku TsujimuraHirohide FurutaniHideaki KobayashiAkihiro Hayakawa

A demonstration test with the aim to show the potential of ammonia-fired power plant is planned using a micro gas turbine. 50kW class turbine system firing kerosene is selected as a base model. A standard combustor is replaced to a prototype combustor which enables a bi-fuel supply of kerosene and ammonia gas. Diffusion combustion is employed to the prototype combustor due to its flame stability. 44kW power generation was achieved by 100% heat from ammonia gas. Although NOx concentration in the exhaust gas of ammonia combustion exceeded 500ppm, NOx removal equipment reduced NOx concentration below 10ppm. Over 30kW power generation…

Study on Reduced Chemical Mechanisms of Ammonia / Methane Combustion under Gas Turbine Conditions
Article

Study on Reduced Chemical Mechanisms of Ammonia / Methane Combustion under Gas Turbine Conditions

Trevor Brown September 14, 2016

On September 1st, academic journal Energy & Fuels published a new paper that features research coming out of the UK's Cardiff University and Ireland's University of Limerick. This study demonstrates a "reduced mechanism" for simulating the "robust numerical analyses with detailed chemistry" necessary for the "industrial implementation" of ammonia in gas turbine combustion for "future power generation." Here's the abstract: