TESTING

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Facility OverviewFlare TestingResearch & DevelopmentImpact on the IndustryConclusion
F101F201F102Boiler (CCA)Horizontal Cabin (CCA)

Greens Combustion Limited, a leader in burner technologies, operates a cutting-edge test facility dedicated to pioneering combustion research. Located at their R&D Centre in Italy, this full-scale burner firing facility drives innovation in cleaner, more efficient energy solutions for global industries.

Since its opening in 2017, Greens Combustion's state-of-the-art testing facility in Italy has been at the forefront of advancing combustion technology. Staffed by expert engineers and equipped with cutting-edge tools, our research centre drives the development and rigorous testing of high-performance flare solutions that meet stringent environmental and regulatory standards.

Our facility's unique capabilities enhance product efficiency, reliability, and sustainability, ensuring we remain leaders in the energy sector. In 2025, we expanded our services to include benchmark flare emission testing, enabling clients to validate flare performance against the latest environmental standards, reinforcing our commitment to innovative and sustainable energy solutions.

Complementing our primary facility, we utilise specialised testing rigs, including F101, F201, F102, and dedicated boiler and side-stream testing units. These advanced setups allow us to simulate diverse operating conditions, ensuring our flare and combustion systems deliver optimal performance across a wide range of applications while meeting the highest industry standards.

FACILITY OVERVIEW

The Greens Combustion Test Facility is equipped with multiple furnaces, ranging from 1 MW to 45 MW, to simulate a wide variety of applications. It even has capability to fire liquid and solid fuels, expanding its versatility. New to the facility is its breakthrough flare testing to better understand flare efficiency, enhancing safety and environmental performance. The facility replicates real-world operating conditions, enabling rigorous testing of burner and flare systems. It supports research into low-carbon fuels such as ammonia and hydrogen, aligning with global decarbonisation goals. It features an operational ammonia storage and supply system and infrastructure to test hydrogen combustion, allowing experiments with these zero-carbon fuels to reduce emissions and enhance fuel flexibility. Additionally, Green's advanced testing capabilities enable the evaluation of specialist fuels such as ethylene and carbon monoxide, further expanding the potential for innovative, low-emission fuel solutions at our test facility.

FLARE TESTING

Flares, essential for safety in oil, gas, and petrochemical industries, emit greenhouse gases like CO and methane, contributing to climate change. Incomplete combustion can release methane or other unburned flare gases, each potent greenhouse gases that amplify environmental impact. Understanding these emissions is vital to comply with stringent regulations and support global net-zero goals, such as limiting warming to 1.5°C under the Paris Accord.

In partnership with Centro Combustion Ambiente, Greens Combustion's Flare-in-a-box offers state-of-the-art, fully enclosed flare testing, delivering precise emissions species data to calculate combustion efficiencies and emissions profiles. This advanced system is sensitive enough to accurately analyse NOx emissions and can simulate a wide range of operational and environmental conditions, including rich and lean flare gases, 100% hydrogen or ammonia fuels, and varying wind speeds.

Its high accuracy and defensibility of the base results are critical in today's heavily regulated market. By analysing fuel composition and operating conditions, it identifies inefficiencies, reducing methane slip and other pollutants, enabling industries to optimise flare systems, ensure compliance, and minimise environmental impact while maintaining safety.

With increasing focus on climate change, Greens Combustion's Flare-in-a-box™ empowers industries to align with sustainability goals, avoid penalties, and demonstrate environmental responsibility.

RESEARCH & DEVELOPMENT

The facility is a hub for developing and optimising burner technologies, including those licensed from Honeywell Callidus for applications in Europe, Africa, and beyond. It is used extensively for both in-house R&D, close partnership with owner operators for troubleshooting and upgrading existing equipment, and collaborative partnerships. Research focuses on ammonia, hydrogen, and liquid fuel combustion, aiming to minimise nitrogen oxide (NOx) emissions and improve flame stability. Hydrogen's high flame speed complements ammonia's slower combustion, enabling fuel blending for enhanced efficiency. Advanced data acquisition systems ensure data is fully logged in real time, providing performance insights for reliable, scalable solutions across diverse industrial settings.

IMPACT ON THE INDUSTRY

Greens Combustion's test facility is at the forefront of the transition to sustainable energy. By exploring ammonia, hydrogen, liquid fuels, and flare efficiency, it supports many net-zero targets. The facility also tests retrofits for existing burners, helping clients meet stringent environmental regulations with minimal disruption.

CONCLUSION

The Greens Combustion Test Facility is a cornerstone of innovation in low-carbon combustion. With its multiple furnaces from 1 MW to 45 MW, capability to fire liquid fuels, real-time data logging, breakthrough flare testing, and extensive use for in-house R&D, operator partnerships, and collaborations, it delivers high-performing, environmentally responsible solutions. As industries strive for sustainability, this facility in Italy is shaping the future of cleaner energy.

F101

  • Use - For firing of up fired burners typically used in heaters, less than 5 MW
  • Construction - Vertical Cylindrical
  • Orientation - Up Fired
  • Duty - 5 MW
  • Fuel Gas - Natural gas, Hydrogen, LPG, Nitrogen and Carbon Dioxide, Ammonia and other specialist gases on request.
  • Fuel Oil - Heavy, Light, Diesel and Naphtha
  • Air - Natural Draught, and Forced Draught up to 350°C
  • Data - Connected to Datalogging System
  • Sampling - NOx, CO, CO₂ & O₂ (standard). NH₃, N₂0, CH₄ and others available on request.

F201

  • Use - For firing down fired burners typically used in reforming, less than 3 MW
  • Construction - Vertical Cylindrical
  • Orientation - Down Fired
  • Duty - 3 MW
  • Fuel Gas - Natural, Hydrogen, Propane, Nitrogen, Carbon Dioxide (preheated), and other specialist gases.
  • Fuel Oil - Heavy, Light, Diesel and Naphtha
  • Air - Natural Draught, and Forced Draught up to 450°C
  • Data - Connected to DLS
  • Sampling - NOx, CO, CO₂ & O₂ (standard). NH₃, N₂0, CH₄ and others available on request.

F102

  • Use - For horizontally firing burners typically used in radiant wall applications, less than 1 MW
  • Construction - Box
  • Orientation - Horizontally Fired
  • Duty - 1 MW
  • Fuel Gas - Natural, Hydrogen, Propane, Nitrogen, Carbon Dioxide, and other specialist gases.
  • Air - Natural Draught, and Forced Draught up to 550°C
  • Data - Connected to DLS
  • Sampling - NOx, CO, CO₂ & O₂ (standard). NH₃, N₂0, CH₄ and others available on request.

HORIZONTAL CABIN (CCA)

  • Use - For firing of horizontal burners typically used in heaters, less than 2 MW
  • Construction - Cabin
  • Orientation - Horizontally Fired
  • Duty - 2 MW
  • Fuel Gas - Natural, Hydrogen, Propane, Nitrogen, Carbon Dioxide, and other specialist gases.
  • Fuel Oil - Heavy, Light, Diesel and Naphtha
  • Air - Natural Draught, and Forced Draught up to 350°C
  • Data - Connected to DLS
  • Sampling - NOx, CO, CO₂ & O₂ (standard). NH₃, N₂0, CH₄ and others available on request.

facility overview

The Greens Combustion Test Facility is equipped with multiple furnaces, ranging from 1MW to 45MW, to simulate a wide variety of applications. It even has capability to fire liquid and solid fuels, expanding its versatility. New to the facility is its breakthrough flare testing to better understand flare efficiency, enhancing safety and environmental performance. The facility replicates real-world operating conditions, enabling rigorous testing of burner and flare systems. It supports research into low-carbon fuels such as ammonia and hydrogen, aligning with global decarbonisation goals. It features an operational ammonia storage and supply system and infrastructure to test hydrogen combustion, allowing experiments with these zero-carbon fuels to reduce emissions and enhance fuel flexibility. Additionally, Green's advanced testing capabilities enable the evaluation of specialist fuels such as ethylene and carbon monoxide, further expanding the potential for innovative, low-emission fuel solutions at our test facility.

A man working in one of our offices.

FLARE TESTING

Flares, essential for safety in oil, gas, and petrochemical industries, emit greenhouse gases like CO and methane, contributing to climate change. Incomplete combustion can release methane or other unburned flare gases, each potent greenhouse gases that amplify environmental impact. Understanding these emissions is vital to comply with stringent regulations and support global net-zero goals, such as limiting warming to 1.5°C under the Paris Accord.In partnership with Centro Combustion Ambiente, Greens Combustion's Flare-in-a-box offers state-of-the-art, fully enclosed flare testing, delivering precise emissions species data to calculate combustion efficiencies and emissions profiles. This advanced system is sensitive enough to accurately analyse NOx emissions and can simulate a wide range of operational and environmental conditions, including rich and lean flare gases, 100% hydrogen or ammonia fuels, and varying wind speeds. Its high accuracy and defensibility of the base results are critical in today's heavily regulated market. By analysing fuel composition and operating conditions, it identifies inefficiencies, reducing methane slip and other pollutants, enabling industries to optimise flare systems, ensure compliance, and minimise environmental impact while maintaining safety. With increasing focus on climate change, Greens Combustion's Flare-in-a-box™ empowers industries to align with sustainability goals, avoid penalties, and demonstrate environmental responsibility.

Research & development

The facility is a hub for developing and optimising burner technologies, including those licensed from Honeywell Callidus for applications in Europe, Africa, and beyond. It is used extensively for both in-house R&D, close partnership with owner operators for troubleshooting and upgrading existing equipment, and collaborative partnerships. Research focuses on ammonia, hydrogen, and liquid fuel combustion, aiming to minimise nitrogen oxide (NOx) emissions and improve flame stability. Hydrogen's high flame speed complements ammonia's slower combustion, enabling fuel blending for enhanced efficiency. Advanced data acquisition systems ensure data is fully logged in real time, providing performance insights for reliable, scalable solutions across diverse industrial settings.

Impact on the industry

Greens Combustion's test facility is at the forefront of the transition to sustainable energy. By exploring ammonia, hydrogen, liquid fuels, and flare efficiency, it supports many net zero targets. The facility also tests retrofits for existing burners, helping clients, meet stringent environmental regulations with minimal disruption.

Conclusion

The Greens Combustion Test Facility is a cornerstone of innovation in low-carbon combustion. With its multiple furnaces from 1MW to 45MW, capability to fire liquid fuels, real-time data logging, breakthrough flare testing, and extensive use for in-house R&D, operator partnerships, and collaborations, it delivers high-performing, environmentally responsible solutions. As industries strive for sustainability, this facility in Italy is shaping the future of cleaner energy.

F101

F201

F102

boiler (cca)

horizontal cabin (cca)

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