Thermal Oxidizer DRE & Residence Time Calculator
Determine volatile organic compound (VOC) Destruction & Removal Efficiency ($DRE$), chamber residence time ($ au$), and supplemental fuel gas consumption.
Chamber & Process Waste Gas
DRE & Auxiliary Fuel Requirement
Recommended Tools & Equipment
Tested hardware and components for high reliability
EPA Thermal Oxidation Principles (3 T's)
Thermal oxidizers destroy volatile organic compounds (VOCs) and hazardous air pollutants (HAPs) through high-temperature oxidation into water vapor and carbon dioxide. Complete combustion is governed by the classic Three T's of Combustion: Temperature ($750 - 1100^\circ\text{C}$), Time (residence time $\tau \ge 0.75 - 2.0\text{ s}$), and Turbulence (reynolds mixing).
Regenerative vs Recuperative Thermal Oxidizers
In Direct-Fired oxidizers, huge quantities of natural gas are consumed heating ambient waste air to $850^\circ\text{C}$. Regenerative Thermal Oxidizers (RTOs) utilize multi-bed ceramic structured packing to achieve $95\%$ thermal energy recovery. At VOC concentrations above $1.5 - 2.0\text{ g/Nm}^3$, an RTO operates autothermally (zero auxiliary fuel required).