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Process heater burners, flare systems, thermal oxidizers, catalyst systems

With over two decades of overcoming combustion and emissions challenges, UOP Callidus consistently leads the industry by setting the standards for maximum performance and minimum emissions. Burners that set the standards: Innovation and technology are the keys to UOP Callidus burners. For over two decades, our team has been on the leading edge in designing burner equipment. The burner design group has worked in cooperation with our customers to develop the technology and solutions to some of the greatest challenges in the reduction of NOx. UOP Callidus set the standard with the patented low emission (LE) burner achieving NOx levels of 20 ppm. More recently, UOP Callidus again demonstrated its technical expertise and leadership with the introduction of the next generation Ultra Low NOx CUBL burner. The CUBL has demonstrated exceptional stability, reliability and performance under the most stringent emissions regulations, regularly operating between 10-15 ppm in the field.

UOP Callidus burners can be found in fired heaters and burner related services for the refining and petrochemical industries across the globe.

UOP Callidus burners consistently demonstrate the lowest NOx rating and highest quality on the market today. Call on UOP Callidus to help you resolve your specific emission challenges.

Other Literature

Process heater burners, flare systems, thermal oxidizers, catalyst systems

With over two decades of overcoming combustion and emissions challenges, UOP Callidus consistently leads the industry by setting the standards for maximum performance and minimum emissions. Burners that set the standards: Innovation and technology are the keys to UOP Callidus burners. For over two decades, ...


Callidus ultra-blue burner (CUBL)

The UOP Callidus Ultra-Blue (CUBL) is rapidly becoming the preferred Ultra-low NOx process burner. An innovative design has been employed which increases the burner’s stability and allows for optimal performance on typical refinery fuel gases and 100% natural gas. The new design also increases ...


Callidus low NOx staged gas burner (CSGL)

The UOP Callidus (CSGL) is rapidly becoming the preferred staged gas low NOx process burner. An innovative design has been employed which increases the burner’s stability and allows for optimal performance on typical refinery fuel gases and 100% natural gas.The new design also increases the tile ...


Advanced flare and flare system designs

UOP Callidus prides itself in providing economical high destruction efficiency, high smokeless, low noise, low radiation flares for a broad range of flare applications. Through our engineering expertise, manufacturing capabilities and worldwide service, UOP Callidus has become a leading provider of flare ...


Thermal oxidizer systems

UOP Callidus is an industry leader in environmental and combustion technology. We have provided incinerators for a wide variety of gas and liquid wastes including inorganic particulate, various acids and hard-to-burn organic compounds. Our experience extends to development and implementation of Thermal ...


Selective catalytic reduction and catalytic oxidation

Reducing NOx and CO levels for simple-cycle systems, heat recovery steam generators, package boilers, and thermal oxidizers. UOP Callidus delivers technically superior emission control products and services to the power, petrochemical, and refining industries. Our Selective Catalytic Reduction (SCR) ...


The UOP Callidus scepter pilot and scepter model P1 portable igniter

Meeting the refining and petrochemical challenge. As a result of the efforts of UOP Callidus engineers and with input from our customers, the Scepter Pilot was developed. The new pilot system was designed at the world-class industrial scale, UOP Callidus Research and Test Facility, and only released ...


UOP, A Honeywell Company, changing the world one solution at a time

Honeywell UOP processes have changed the world. Since the groundbreaking introduction of the Dubbs Process in 1914, Honeywell UOP’s engineers and chemists have excelled in turning laboratory science into industrial reality, establishing the foundation for today’s modern refining industry.


UOP Callidus Jade burner

The Jade Burner from UOP Callidus is the first ultra-low NOx Tail Gas Thermal Oxidizer Burner designed and built specifically to deliver ultra-low Nox emissions with no special physical or operational requirements. In many cases, incorporating the Jade burner into a thermal oxidizer results in the lowest ...


Advanced combustion solutions for production applications

We Pride Ourselves On Quality UOP Callidus develops flare systems for hydrocarbon processing, oil and gas production, steel, carbon black and petrochemical processing industries. Each of these flare systems is built to match the customer’s specific process criteria and performance requirements. ...