The major groups of reagents considered in this Section include limestone for FGD systems, SCR catalyst, Ammonia/Urea, and AC for ACI systems.
Ammonia/urea is not considered a major reagent group.
mnli hypothesis: Ammonia/urea is not considered a major reagent group. premise: The major groups of reagents considered in this Section include limestone for FGD systems, SCR catalyst, Ammonia/Urea, and AC for ACI systems.