2440 Oldfield Point Road
Elkton, MD 21921
(P) 443.245.3400 (F) 443.245.3407
info@airclear.net
Air-Clear Catalytic Recuperative Oxidizer Systems (CATOX™) 

In contrast to their thermal counterparts, Catalytic Oxidizers use a catalyst Catalyst
a substance that alters the temperature at which a chemical reaction occurs without itself being consumed in the reaction.
to promote the oxidation reactionOxidation Reaction
Catalytic Oxidizers efficiently react with Hydrocarbons (HCs), Volatile Organic Compounds (VOCs) and oxygen in the air to form naturally occurring carbon dioxide and water vapor (HC+O2+ HEAT H20 + CO2 + exotherm). This oxidation reaction occurs when the air is heated to a sufficiently high temperature, typically 500-600°F (260-315°C).
  to occur. Catalytic oxidation requires less than half the heat (500-600°F) needed for thermal oxidation (1,400-1,600°F) and creates an opportunity to substantially reduce fuel expenses and material costs. The addition of a Recuperative Recuperative
A substance meaning to recover and restore as in recovering hot oxidized process air to pre-heat the incoming process air
 (heat exchanger) further reduces the need for supplemental fuel. In many cases, the system requires no supplemental fuel in an operating condition known as "autocatalytic".

The Air-Clear Advantage in Catalytic Oxidation

Air Clear Specialty Catalytic products

Cat-Denox™  Selective Catalytic Reduction (SCR) NOx Control System

Air-Clear, Inc. takes pride in assisting companies in diverse industries meet their stringent emission limits with intelligent solutions that easily integrate into existing operations. Air-Clear designs, engineers, fabricates, and services the most advanced air pollution and hazardous waste control equipment available.

Meeting the new, stringent regulations for NOx emissions is of foremost concern for the operators and developers of both power plants and industrial processes. The CAT-DENOX SCR offers the best choice for combining low emission values; high removal efficiencies; and long-term, cost effective compliance. Please contact Air-Clear for more information on how SCR can be successfully and cost-effectively integrated into a comprehensive NOx compliance plan.

The Air-Clear Advantage in SCR Systems:

Flexible Design

  • Ammonia source of Anhydrous, Aqueous or Urea.
  • Ammonia vaporized using electric heater or heat from exhaust gas.
  • Retrofit into limited space.
  • Vertical or horizontal gas flow.
  • Custom designed to optimize performance and cost effectiveness.
  • Wide Temperature Range. (350°F to 1,150°F)

Ultra-Low Emissions

  • NOx emissions down to 2 ppm.
  • Ammonia slip down to 2 ppm.
  • CO reduction up to 99% can be included.

Wide Range of Applications

  • Simple Cycle Turbine
  • Heat Recover Boilers (HRSG)
  • Package Boiler
  • Diesel Engine
  • Glass Furnace
  • Steel Reheat Furnace
  • Process Heaters
  • Waste Incinerators
  • Many Others

Single Source Responsibility

Full Scope of Supply

  • Responsibility for Performance Guarantees and Equipment Warranties.
  • Computer and Physical Modeling of Process.
  • Permitting and CEM Certification Support.
  • Turnkey Installation Available.

 Air-Clear Dioxin removal catalytic oxidizer

Advantage in Catalytic Oxidation
Air-Clear Specialty Catalytic products
Advantage in SCR Systems

A 6,000 SCFM Catalytic Oxidizer on a Federal Government remediation site
A catalyst module. This frame is 2’ x 2’ x 4” Deep. Several of these modules are grouped to accommodate for the flow and required destruction efficiency
small trailer mounted unit is often used for Soil Vapor Extraction and or for pilot testing to determine catalyst performance.
A recuperative catalytic oxidizer gets it’s supplemental heat from electric burners, not a gas burner
A skid mounted recuperative catalytic oxidizer is lowered onto the roof of a Pharmaceutical company
Additional heat is recovered from a catalytic oxidizer and is returned to the dryer . This system had a payback in energy savings of less than a year.
Factory acceptance test is underway on a catalytic oxidizer in Air-Clears Shop
Several catalyst modules are shown grouped in a single support frame