CPI Installs RTO at Paint and Performance Coatings Mfg for VOC Control

    Catalytic Products International (CPI) recently completed the installation of a new TRITON Series Regenerative Thermal Oxidizer (RTO) at the Midwest USA location of a global manufacturer of paints, performance coatings and specialty chemicals for the abatement of Volatile Organic Compounds (VOCs) and odors.

    The new 6,000 SCFM TRITON-6.97 Regenerative Thermal Oxidizer (RTO) will control VOC emissions from 15 mixing tank conservation vents as well as treating the exhaust from two (2) existing room vents.  Each tank conservation vent was equipped with a capture hood to ensure the VOC-laden air is collected and properly ducted to the RTO. In addition to the mixing tanks, the emissions from the finished product holding tanks, filling stations, and mix tank washing stations are also controlled.  The RTO system will destroy VOC emissions with 98% destruction efficiency independent of solvent concentration and use a primary heat exchanger providing 97% efficiency.

    Thermal treatment of VOCs and other air pollutants works by a simple reaction of the harmful air pollutants with oxygen and heat. In this environment, the VOCs are converted into harmless inert byproducts, water vapor (H2O), and usable heat. These harmless by-products are typically released to the atmosphere, or in some cases use an energy recovery technique to further lower the operational costs.

    TRITON Series Regenerative Thermal Oxidizers (RTOs) are two-tower systems engineered to provide exceptional performance and reliability.  During operation of the RTO the VOCs are directed into one of the system’s regenerators, an internally insulated vessel containing specialized ceramic media which allows thermal rate efficiencies up to 97%.  The contaminated gases are passed through the first regenerator where energy is transferred from the ceramic media to the gas in order to elevate the temperature. This elevated temperature approaches the ignition level for most solvents and is then directed from the ceramic bed into the combustion chamber. As the stream exits the ceramic bed and travels through the internally lined combustion chamber, minimal heat is added to ensure a proper oxidation temperature and a designed dwell time is maintained providing destruction of the VOCS at greater than 98% efficiency. The resultant clean, oxidized gases are redirected into a second regenerator bed to continue the energy transfer and oxidation cycle before being released to the atmosphere.

    CPI RTO Rigging.jpg

    CPI provided a turnkey installation for the project, including the mechanical and electrical rigging of the oxidizer on the customer installed concrete pad.  CPI also provided the engineering and installation of the stainless steel vent sweeps from each process inside the building, as well as the external galvanized spiral ductwork system delivering the process gas to the RTO. 

    CPI RTO Ductwork.jpg

    Since 1969 CPI has been providing industry leading paint and coating manufacturers with solutions to their air pollution control needs.  

    Today, CPI partners with its customers as a trusted resource in resolving the most complex air pollution and energy conservation problems. We provide our customers with innovative and cost-conscious solutions to their most complex VOC, NOx, and Odor pollution challenges. Our equipment is also at work meeting energy conservation strategies and minimizing greenhouse gas (GHG) emissions.

    Engineering Assessment

    Topics: Regenerative Thermal Oxidizer, News, Paint & Coatings, Blog, Installation

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