Oxidant injection method

Combustion – Process of combustion or burner operation – Controlling or proportioning feed

Reexamination Certificate

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Details

C431S010000, C431S008000, C431S002000

Reexamination Certificate

active

07833009

ABSTRACT:
A method of combustion in a furnace comprising a firing zone and an exhaust zone, three oxidants and fuel comprising the steps of: introducing fuel into said firing zone; introducing a first oxidant into the firing zone; introducing a second oxidant into the firing zone; and introducing a third oxidant into the exhaust zone; wherein during said step of introducing a first oxidant, the step of introducing a second oxidant, and the step of introducing a third oxidant occur.

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R. Koppang, et al., “Controlling Glass Furnace NOx with Gas Reburn”, Ceramic Bulletin, Feb. 1998, pp. 51-56.
M.L. Joshi, et al., References: “Cost-Effective NOx Reduction Using Oxygen-Enriched Air Staging (OEAS) on Regenerative Glass Furnaces”, Presented at 55thConference on Glass Problems, Columbus, OH, Nov. 8-9, 1994.

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