Low-NOx & Emission Reduction Technologies
Combustion-Level Emission Control by Design
Combustion-Level Emission Control
Nitrogen oxides (NOx) are primarily formed under high flame temperature and high oxygen concentration. Modern emission reduction strategies therefore focus on controlling combustion chemistry at the source, rather than relying on downstream exhaust treatment.
NOx Formation Mechanisms
Thermal NOx
Formed at high flame temperatures (>1,300 °C) through the oxidation of atmospheric nitrogen.
Prompt NOx
Formed in fuel-rich flame zones where hydrocarbon radicals react with atmospheric nitrogen.
Fuel NOx
Related to chemically bound nitrogen content in the fuel itself (minor factor for natural gas).
Core Low-NOx Technologies
Staged Combustion
Fuel and air are introduced in multiple zones, preventing peak flame temperatures and reducing oxygen availability during critical reaction phases.
Lean Premix Technology
Fuel and air are mixed upstream to form a uniform lean mixture, producing a lower-temperature, evenly distributed flame.
Flue Gas Recirculation (FGR)
A portion of exhaust gas is reintroduced into the combustion zone (Internal or External), diluting oxygen concentration and absorbing thermal energy to lower peak temperatures.
Controlled Flame Geometry
Special burner head and nozzle designs elongate the flame, spreading heat release over a larger volume and avoiding localized hot spots.
Performance Outcomes
Our low-NOx technologies deliver measurable results, ensuring your operations remain compliant and efficient.
Fuel Flexibility & Hydrogen Readiness
Discover how our multi-fuel capabilities adapt to changing energy markets, including support for Natural Gas, Biogas, and Hydrogen blends.