The [candlestick] [open] [ground] flare shall be composed of an open
combustion chamber without enclosure or shroud.
2.3
ENCLOSED COMBUSTOR
**************************************************************************
NOTE: Enclosed combustors must demonstrate either
98 percent NMOC reduction or outlet NMOC
concentration of 20 ppmv or less.
**************************************************************************
The enclosed combustor shall be composed of a vertical enclosed combustion
chamber that maintains a constant temperature by controlling fuel and
combustion air.
2.4
THERMAL OXIDIZER
**************************************************************************
NOTE: Catalytic oxidation operates at a reduced
temperature and should be considered when the
organic carbon is between 150 ppmv and 2,000 ppmv.
Review the anticipated off-gas analysis for
substances that mask or poison catalysts. Edit this
paragraph as required.
**************************************************************************
The thermal oxidizer shall be composed of a horizontal enclosed combustion
chamber, with catalyst, that maintains a constant temperature by
controlling fuel and combustion air. Catalyst shall be suitable for use
under the conditions listed in paragraph SYSTEM DESCRIPTION and shall be
fabricated in modules for ease of installation in the combustion chamber.
Thermal oxidizer shall be compatible reduced temperature operation with the
catalyst in place and high temperature operation without using the modular
catalyst unit.
2.5
REGENERATIVE THERMAL OXIDIZER
**************************************************************************
NOTE: This system is a high temperature operation
that recovers energy by cycling exhaust and inlet
gases through regenerative heat exchange media.
**************************************************************************
The thermal oxidizer shall be composed of a horizontal enclosed combustion
chamber that maintains a constant temperature by controlling fuel and
combustion air.
2.6
RECUPERATIVE THERMAL OXIDIZER
**************************************************************************
NOTE: This system consists of a high temperature
operation, without catalyst, or low temperature
operation, with catalyst, that recovers energy by
counter current passing of the exhaust and inlet
gases through the heat exchanger. Edit this
paragraph as required for job conditions.
**************************************************************************
SECTION 11378
Page 18
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