Catalytic Combustion’s Enclosed Combustor System is designed to safely burn combustible process vapors that have varying energy content.

The system provides a cost-effective solution for the smokeless invisible flaring of many combustible process vapors. The CCC Enclosed Flare Combustor provides proper disposal of steady state process flows, batch processes, intermittent operations, or the safe treatment of emergency vents. The CCC Enclosed Flare Combustor offers both a low capital cost and low operating cost.


High Destruction Efficiency

The CCC Enclosed Flare Combustor is typically designed for 98% destruction efficiency. The operating temperature and residence time can be selected to provide the needed destruction efficiency to meet your project requirements.

Catalytic Combustion Enclosed Flare Systems

No Visible Flame

The CCC Enclosed Flare Combustor has a cylindrical carbon steel shell with an internal ceramic fiber refractory lining. All of the combustion takes place within the combustion chamber and there is no visible flame from the flaring operation.

The Enclosed Flare Combustor System preheats like a direct-fired thermal oxidizer. When the high BTU gas is introduced into the combustion chamber, the enclosed combustor turns off the supplemental fuel supply and maintains combustion temperature by introducing combustion/quench air using natural draft through a modulating louver. Enclosed Combustor Systems combine the simplicity of an enclosed flare with the proven performance of a thermal oxidizer.

The unit is equipped with a direct gas fuel fired primary air burner with combustion air blower. The gas pre-heater is controlled from the thermocouple and sized to provide sufficient energy in order to preheat the combustion chamber to the appropriate operating temperature (1,400°F typical). Flame supervision is achieved by use of a UV Detector and approved flame safety programmer.

The fuel gas piping assembly is pre-piped and pre-wired and meets all requirements as specified in NFPA 86, FM and NEMA 4.  The NEMA 4 control panel is completely assembled, wired and mounted at eye level.


Enclosed Combustor Systems standard features:

  • VOC destruction up to 99.9%
  • Process gas capacities up to 100 MMBTUH
  • Compact design
  • PLC based control system
  • Carbon steel shell
  • Ceramic fiber internal refractory lining
  • High temperature resistant coating
  • Natural draft design
  • Thermocouple temperature control
  • Thermocouple for monitoring pilot
  • Electrical: 120V/60HZ/Single Phase
  • Continuous gas pilot
  • Automatic propane gas pilot backup option
  • Electronic spark ignited pilot
  • Solar powered battery backup option
  • Motorized air louver
  • Ethernet/IP communications available
  • Sample ports NEMA 4 panel
  • Bracket for optional platform
  • Optional sample platform

Enclosed Flare Combustors may be used in a wide range of applications and are commonly used for biogas, digester gas, and landfill gas.

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