[jashephe]

Not sure why you're being downvoted; this seems like a totally legitimate concern. Depending on the efficiency, you might end up just moving the pollution to a different location.

[SCHiM]

>you might end up just moving the pollution to a different location.

Still if one is convinced that, for whatever reasons, pollution cannot be helped. This could be a good thing.

[Scene_Cast2]

Taking this one step further, can these clean the exhaust air from coal plants?

[varjag]

https://en.wikipedia.org/wiki/Baghouse

[eru]

Yes, and we don't have to speculate, you can look up the efficiencies.