The "Air Pollution Management" Newsletter

June 2008
No. 362

Activated Carbon Used Prior to Scrubber Installation

There is a big market for activated carbon for units which will eventually scrub. State rules already in place will create a significant ACI market. As much as 10 percent of the units in the country could use ACI as an interim measure.

Activated Carbon Used with Wet Scrubber

There is the unlikely possibility of combining activated carbon injection and wet scrubbing. The problem with ACI followed by a particulate collector and then the scrubber is that very high removal is needed with ACI to significantly affect the combined removal efficiency.

Activated Carbon Used with Dry Scrubber

The dry scrubber can utilize the ACI effectively. Furthermore, ash sales are not a consideration when gypsum and flyash are both being captured in the same baghouse.


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