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  Lownox

Lownox

Lownox

Advanced Low-NOx Calciner Technology:

  • Up to 100% usage of alternative fuels
  • Complying emission limits
  • Staged combustion
  • Lower operating costs


Lownox - CALCINER

Functional description

Staged injection of fuel, air and raw meal shall inhibit formation of NOx in the calciner and partialy reduce main burner NOx by the following chemical reaction:

2NO + 2CO = 2CO2 + N2

REDU-NOx - Calciner (RNC System)
For existing calciner systems intending to use high-energy fuels:
  • Fuel injection points at kiln inlet, and at 2 positions within the calciner loop
  • Staged feed of raw meal and tertiary air to control the chemical reactions
Common results in NOx levels around 600 - 800 mg/Nm³ at chimney.

With a certain amount of low grade fuel (e.g. plastic) NOx levels below 500 mg/nm3 at stack are reachable.


 
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