| abstract |
A cyclic process for the removal of NOx from a NOx containing feed gas stream using an absorbent and for the regenration of the absorbent, which comprises: (a) contacting the feed gas stream with the absorbent to form a Nox rich absorbent, the absorbent comprising an iron amine polycarboxylic acid chelate, and an addictive having free radical scavenger functionality and amine functionality; (b) treating the Nox rich absorbent to remove Nox and to form a regenerated absorbent; and, (c) recycling the regenrated absorbent to the contacting step. |