Method for zonal injection of chemicals into a furnace...

Details Method for zonal injection of chemicals into a furnace... Method for zonal injection of chemicals into a furnace...

2008-10-29

2009-11-24

Vanoy, Timothy C (Department: 1793)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

C423S235000, C423S243010, C423S243060, C423SDIG018

Reexamination Certificate

active

07622093

ABSTRACT:
Zonal injection of varying compositions of chemicals, particularly an ammonia-based reagent and hydrocarbon, through injection lances arranged in a grid formation to define planar zones in a furnace convective pass of a furnace. The supply of chemicals is controlled so as to be individually determined for each discrete zone of the grid depending on conditions in that zone.

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patent: 2008/0202397 (2008-08-01), Torbov et al.

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