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Flare Services

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Destruction Efficiency Testing
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Our Story

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Alternative Means of Emission Limitation (AMEL)

Some flares do not meet regulatory limits, even though they operate with high efficiency. Flares that operate with > 98% destruction efficiency (or > 96.5% combustion efficiency) meet the intent of EPA regulations, even though they operate outside of regulatory limits. 

CleanAir prepares AMEL requests for flares. We offer PFTIR flare testing and mine existing data sources to back up client requests.

Other Regulatory Consulting Services

Litigation Support
Consent decree negotiation
Consent decree implementation
White papers and research projects
Emission calculations
Flare Management Plans
Flare Minimization
Gap assessments
Training Programs

Destruction Efficiency Testing

Measuring flare emissions used to be dangerous and difficult. PFTIR testing made it safe and efficient. CleanAir’s clients use PFTIR tests for:

Estimating CO and VOC emissions
Establishing flare-specific control limits
Tuning air-assist (stoichiometric ratio) and steam-assist (steam to vent gas ratio) rates
Getting a ground flare permit
Getting an AMEL approved
Consent Decree Negotiation

How it Works

CleanAir measures flare destruction efficiency using a Passive Fourier Transform Infrared (PFTIR) spectrometer. Learn more about Measuring Flare Destruction Efficiency with Passive FTIR.

Step 1: Calibrate
Set up is fast and easy. CleanAIr’s field engineer calibrates the PFTIR with a collimating telescope.
Step 2: Measure CO2, CO, and Hydrocarbons
Aiming the PFTIR at the flare plume is an active process. CO2, CO, and individual hydrocarbon concentrations come from the PFTIR every minute.
Step 3: Calculate Destruction Efficiency
The individual concentrations of different compounds in the flare plume are used to calculate Destruction Efficiency in real time. CleanAir’s clients use PFTIR testing to ‘tune’ control systems because DE can be reported in realtime.

Our Story

We entered into the world of flares because we enjoy tackling tough measurement projects, and measuring flare emissions qualified. Since the EPA’s Office of Enforcement and Compliance Assurance (OECA) began targeting flaring efficiency violations in the late 2000s, we have helped industry clients address a changing regulatory landscape.

PFTIR Method Development

CleanAIr was an integral part of developing the PFTIR testing methodology and is still the world leader in PFTIR flare testing.

Learn More

UAV Testing

CleanAir tested an enclosed ground flare using a drone-mounted mirror array as the second half of an Open Path FTIR system.

Learn More

If you are interested in learning more or would like to schedule a consultation, please get in touch!

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