Furnace Technology
Oxygen enrichment of combustion air does not result in increase of the

Oxygen in the flue gas
Stack loss
Flame temperature
Heat transfer rate in the furnace

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Furnace Technology
The amount of combustible escaping uncon-sumed from the furnace, depends upon the

Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction)
Burner design (thoroughness of mixing versus stratification)
All of these
Air supplied and furnace temperature

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