Method for oxy-fuel combustion

Details Method for oxy-fuel combustion Method for oxy-fuel combustion

2007-10-16

2007-10-16

Kastler, Scott (Department: 1742)

Metallurgical apparatus

Process

C266S200000, C266S900000, C431S008000

Reexamination Certificate

active

10447981

ABSTRACT:
An oxygen fueled combustion system includes a furnace having at least one burner, an oxygen supply for supplying oxygen having a predetermined purity, and a carbon based fuel supply for supplying a carbon based fuel. The oxygen and the carbon based fuel are fed into the furnace in a stoichiometric proportion to one another to limit an excess of either the oxygen or the carbon based fuel to less than 5 percent over the stoichiometric proportion. The combustion of the carbon based fuel provides a flame temperature in excess of 4500° F. The exhaust gas stream from the furnace has substantially zero nitrogen-containing combustion produced gaseous compounds from the oxidizing agent and reduced green-house gases. Substantially less carbon based fuel is required than conventional combustion systems without a loss of energy output.

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