Method for remediating emissions

Details Method for remediating emissions Method for remediating emissions

2006-03-23

2010-11-09

Nguyen, Tu M (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

C060S274000, C060S295000, C060S296000, C060S297000, C060S303000

Reexamination Certificate

active

07827782

ABSTRACT:
A method for remediating an emission containing NOx emissions includes introducing an exotherm generating agent into the NOx emissions when the inlet temperature of the NOx emissions is in a range of 300° C. to 600° C. and an air/fuel ratio is greater than or equal to 15; exposing the NOx emissions to a lean NOx trap; introducing a reducing agent into the emissions when the inlet temperature of the emissions is greater than 130° C. and less than 600° C.; exposing the NOx emissions having an air/fuel ratio greater than or equal to 15 to a selective catalytic reduction catalyst; and producing a remediated emission having an air/fuel ratio greater than or equal to 15.

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