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Catalytic Oxidizer for VOC and HAP Abatement

Catalytic Products International (CPI) specializes in the design and development of catalytic oxidizers that efficiently destroy VOCs and other air toxics.

A Catalytic Oxidizer is an ideal control technology, used across many applications and for many different pollutants. The most common application is for the removal of volatile organic compounds (VOCs), Hazardous Air Pollutants (HAPs), and other odorous emissions.

Catalytic Oxidizer Diagram CPI

Catalytic Oxidizer - VECTOR SERIES

The CPI VECTOR catalytic oxidizer is designed to treat hydrocarbons, volatile organic compounds (VOC), hazardous air pollutants (HAP), noxious and odorous emissions. No other manufacturer offers you the extensive knowledge - in both oxidizers and catalyst technologies - necessary to achieve the most complete and cost effective elimination of VOC's.



CPI designs each VECTOR Catalytic Oxidizer based on the exact needs of your application. Starting with catalyst manufacturing as a basis of our expertise in 1969, you can be assured that your VECTOR Catalytic Oxidizer will be designed with the most appropriate enzyme product for your needs. The VECTOR Catalytic Oxidizer is applied to a broad range of industrial processes. The VECTOR Catalytic Oxidizer combines a low-temperature oxidation catalyst, our unique primary heat exchanger, and an efficient combustion system all in a convenient integrated package. These systems are easy to install, provide very high removal efficiency, and offer very low operating cost. With zero moving parts in the reactor, the VECTOR Catalytic Oxidizer provides the highest uptime reliability.

Catalytic treatment of VOC's and other air pollutants works by reacting the harmful air pollutants over a specially designed catalyst where VOC's are converted to CO2, water vapor (H2O), and usable heat. These harmless byproducts are passed through a heat exchanger where the gas streams energy is transferred to the incoming exhaust.


The VECTOR Catalytic Oxidation Process starts by incorporating a booster fan to draw one or more VOC-laden exhaust from your process lines into the system. From there, your process VOC laden exhaust is directed to our unique stainless steel primary air-to-air heat exchanger where energy is transferred to the process exhaust before passing through to the preheat burner. The main heat exchanger can eliminate the auxiliary fuel required for operation.

A pre-heat burner is used to maintain the desired catalyst inlet temperature precisely. The burner is designed to promote mixing of the exhaust gasses with oxygen when fired through our specialized burner plenum. This innovative design provides the highest degree of flame impingement and high-velocity mixing, leading to airflow and temperature uniformity for which VECTOR Catalytic Oxidizers are known.

The pre-heated exhaust stream enters the catalyst bed and reacts with any of the specially selected catalysts where an exothermic reaction occurs, leading to complete combustion of the VOC's. The VECTOR Catalytic Oxidizer can be designed for use with VECTOR Catalytic Oxidation systems represent cost-effective air pollution control alternatives. The oxidation of hydrocarbons (VOC's) results in harmless byproducts, water vapor, and useable heat. The catalyst induced ionization level for most VOC's occurs at temperatures between 400 F and 750 F. This is sufficient to achieve conversion of VOC/HAP pollutants in excess of 99%.

Here the hot – cleaned exhaust is sent to the primary heat exchanger to give its heat up to the incoming exhaust gas for pre-heating purposes. After the primary heat exchanger, the cleaned exhaust is sent to atmosphere or to auxiliary heating systems such as; secondary air to air recovery, air to water recovery, or directly back to the process in a closed loop direct recirculation process.


CPI has concentrated our more than 48 years of experience, knowledge, and innovative air pollution control solutions to offer the world a high-quality line of catalytic oxidizers designed to meet the most stringent compliance requirements. VECTOR Catalytic Oxidizers meet today's environmental challenges by using the most cost effective manufacturing techniques to bring to industry reliable pollution control systems that offer lower capital costs, simplified installations, and minimal maintenance.

VECTOR Systems exceed today's air pollution control needs with:

Integrated Design

Integrated Design

Integrating all the major components into one unitized system saves on field installations, improves reliability, and lowers the overall costs of air compliance. The VECTOR System utilizes only the highest quality components. From the all stainless steel mixing and combustion chamber, the heavy-duty, heat exchanger, the specialized burner system, to the catalyst system, each component is contained within a well insulated, maintenance-free exterior designed for long life and low costs.

Catalyst Each VECTOR System is custom engineered and built for maximum performance and flexibility. Therefore, the catalyst is selected based on the ability to provide the highest performance and longest life. The catalyst choices can include platinum group metals on a pourable bead or a monolith support. Each group offers individual benefits for each application. For beaded catalyst products, poison-resistant catalyst provides resistance to many common contaminates while low-temperature formulations allow minimal fuel input. The most noticeable advantage about VECTOR Systems is found in the innovative, split-bed containment system. The catalyst is contained in a specially developed catalyst tray that offers partial catalyst replacement, faster inspections, cross-sectional analysis, and longer life. Monolith Catalyst groups are used for general industrial applications or for specialized emissions such as halogenated VOCs and others.
Thermal Efficiency
Thermal Efficiency VECTOR Systems lead the industry with the lowest operating costs. The primary heat exchangers are made of all high-grade stainless steels and incorporate our unique floating plate expansion system. This unique design provides for long life, high efficiency, and the ability to accommodate the highest solvent loads. VECTOR heat exchangers can be designed with thermal efficiencies in excess of 80% and can be equipped with fully automatic hot gas or cold gas bypass dampers for self-sustaining operations.
Interior And Exterior Construction
Interior and Exterior Construction The VECTOR System is fabricated entirely of stainless steel alloys designed to prevent embrittlement and fatigue. The entire unit is continuously welded to eliminate hydrocarbon leakage and provide the highest uptime reliability. All the interior components are fully insulated with a high quality lining system designed to reduce heat losses for continued energy savings.
Temperature Safety System
 Temperature Safety System Every VECTOR system is integrated to our customized PLC-control panel called TSS. TSS communicates with the VECTOR system and your process for optimal performance, safety, and reliability. TSS optimizes fuel efficiency by managing temperatures, controlling drives, and positing valves. This user friendly system provides automated operations, one button start-stops, self diagnostics, and data monitoring options for simplified maintenance and compliance verification. Catalytic Products International, Inc. has vast processor experience and can integrate any industrial processor into your operations.


Optional Features






Blue_Checkmark Catalyst Choices Based On Your Application 
Provides a method of controlling the RTO under high VOC conditions and ensures VOC destruction is maintained without cause for high-temperature shut-down.  


Heat Exchanger Efficiency Based On The Needs Of Your Application

Blue_Checkmark PLC control and man-machine-interface options based on your needs
Blue_Checkmark Footprint Design Flexibility To Suit Your Space Availability
Blue_Checkmark Secondary Heat Recovery Solutions
Blue_Checkmark Electric Heating Option


For information on additional applications such as ammonia abatement, or CO/ NOx abatement, see the following links:
  • Ammonia Removal System - VANGUARD Series Catalytic Oxidizer can treat either liquid waste or air borne pollutants with very low conversion of un-wanted oxides of nitrogen byproducts.
  • NOx and CO Removal Systems - CONCORD CONOx Series SCR Catalytic Oxidizer Abatement System is custom-engineered to efficiently destroy both NOx and CO in one compact package

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