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Standard Features:

  • Designed for high-speed, high-capacity solar cell manufacturing lines
  • Eliminates VOCs as close to the point of origin as possible
  • Electric (no need for gas or open flame, no NOx generation)
  • Runs off of furnace power (with soft-start software)
  • Best in class (99% or better) destruction of VOCs:
    • Odors – 100% elimination of odor
    • 99%+ destruction of particulate matter and VOCs (Volatile Organic Compounds)
  • Exhaust contains only CO2 and water vapor
  • Meets legal requirements regarding the capture or destruction of VOCs including TA Luft regulation of Germany
  • Eliminates need for handling and disposal of waste product collected in VOC condensers
  • Fits on top of CDF dryer - no additional footprint required

Options:

  • Edge contact belt
  • Belt stand-offs
  • Wafer cooling (For 60°C wafer or less -based on 508 cm/minute belt speed)
  • Uninterruptible power supply
  • Door switches
  • CE compliance


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VOC Thermal Oxidizer

Destroys Volatile Organic Compounds in Exhaust Gasses

Despatch’s VOC Thermal Oxidizer was designed to eliminate 99% of Volatile Organic Compounds (VOCs) from gasses exhausted during the drying step of solar cell manufacturing.

The solar cell manufacturing process creates unwanted environmental pollutants which are byproducts of the drying process, and contain the non metallic ingredients found in the paste material such as ethanol, Texanol™ and terpineol. These pollutants can condense inside facility ductwork and create hazardous conditions. Destroying the VOCs using the Oxidizer eliminates the need to collect and dispose of this waste in a separate process. The exhaust exiting from the VOC Oxidizer contains only CO2 and water vapor.

In industries that emit VOCs and have established pollution control technology criteria, Thermal Oxidizers satisfy Best Available Control Technology (BACT), Maximum Available Control Technology (MACT) and Lowest Achievable Emission Rate (LAER).

VOC Thermal Oxidizer Single Lane Dual Lane
Operating temperature 760°C (1400°F) 760°C (1400°F)
Residence time 1.0 seconds 1.0 seconds
Facility exhaust 250 m3/hr (8500 SCFH) 500 m3/hr (17000 SCFH)
Facility exhaust temperature 100°C (212°F) 100°C (212°F)
Installed heater capacity 15 kW 30 kW
Heat input at nominal rates 11 kW 22.5 kW
Nominal Operating Load 16 Amps 32 Amps
Height from floor to connection point 308cm 313 cm
Nominal Operating Costs ($0.09 /kW hr) $0.58/hr $1.00/hr

 

The operation of the VOC Thermal Oxidizer is based on the principle of combustion which is the most commonly used method to control emissions of organic compounds and is used in a variety of industries. Combustion systems are simple and have very high destruction efficiency.

The VOC Thermal oxidizer maintains a temperature of 760°C (1400°F) to ensure destruction of all VOCs. The oxidation process releases heat and thereby contributes to maintaining the temperature of the oxidizer.

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