6
HCl Control Technologies
•Pulverized
or stoker coal combustion
§Furnace sorbent injection
Lime/limestone or
sodium-based
§Sorbent injection ahead of baghouse
Lime or
sodium-based
§Wet scrubber with water
Recovers HCl or CaCl2 solution as byproduct
> 90% HCl
removal
§Dry FGD/baghouse after existing ESP
Solid byproduct
separate from flyash