ZEECO® ViZion™ System

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Flare Efficiency Measurement

Page last modified
April 2 2025

The ZEECO® ViZion™ is a remote flare monitoring and control device. ViZion uses innovative imaging technology to measure, monitor, and control flare performance. ViZion is approved under the EPA’s Other Test Method (OTM) 56 for measuring and quantifying NHVdil and NHVcz parameters.

ZEECO ViZion can be mounted up to 1,000 feet (305 meters) from a flare tip. While observing flare combustion, the optical camera utilizes simplified video imaging spectro-radiometry (VISR) technology to measure NHVcz, NHVdil (qualifiers for combustion “health”) and smoke index in real-time. In instances where a flare falls outside acceptable combustion parameters, ViZion can be integrated into plant control loops to adjust steam or air control to bring the flare back to peak combustion efficiency. When used properly, ZEECO ViZion maintains destruction removal efficiencies (DRE) of 98% or higher. Optimize the combustion performance of your flare.

OGMP 2.0 Technical Guidance Document(TGD) recommends 4 methods. The VISR method is the only one practical for field work. 
 

Pros & Limitations
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Real-time monitoring and control of flare systems.
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Measures flare combustion combustion efficiency.
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Measures flare smoke index.
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Measures flame foot print.
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Measures fractional heat release.
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Measures flame stability.
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VISR measurement method is approved for use by EPA and OMPG 2.0 framework.
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Installed at accessible location at grade (max line of sight 305m), either permanent installation or temporary.
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Can be integrated with flare system controls to optimize flare performance in real time.
Specification
Specification Title Specification Description
Hazardous Area Specifications
System is suitable for use in non hazardous locations.
Approvals
System is approved for use by the US EPA Other Test Method (OTM) 56 for measuring and quantifying NHVdil and NHVcz parameters.

System is approved by OMPG 2.0 Frame work technical guidance for flare efficiency measurements.
Connectivity
4-20mA
Modbus TCP

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[9/9]

Development Technology demonstration Mature / Proven
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Zeeco Europe Ltd, located in Rultand, UK is the European Headquarters of Zeeco. Responsible for supporting our customers in the EMEAR region.

Founded in 1979, Zeeco has steadily become the world leader in designing and manufacturing advanced combustion and environmental solutions. Headquartered in Tulsa, Oklahoma, USA, Zeeco is a privately held business with more than 2,500 employees and 30+ global locations.

The company executes 10,000+ projects yearly for refining, production, petrochemical, LNG, power, pharmaceutical, biogas, and other industries. ZEECO® products and solutions include ultra-low-NOx burners, flare systems, thermal oxidizers, vapor control, rentals, aftermarket solutions, global field services, and combustion electronics. Zeeco’s comprehensive offering helps customers reduce emissions, optimize processes, and maximize operating efficiency while meeting global environmental compliance requirements.

Zeeco also operates the world’s largest combustion research and test facility and a manufacturing facility on a 250-acre campus at its Global Technology Center in Broken Arrow, Oklahoma, USA.

Contact: +44 (0) 1780 765077
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