Scrubbers are devices used to remove _______ pollutants

Scrubbers are devices used to remove gaseous pollutants.

What is scrubbing?

Scrubbing, sometimes referred to as flue gas desulfurization, is the most effect sulfur-removal technique. Scrubbers are air pollution control devices that use liquid to remove particulate matter or gases from an industrial exhaust or flue gas stream. There are two types of  scrubbers:

  • Dry scrubbers are primarily used to abate acidic gases, like those associated with acid rain.
  • Wet scrubbers can remove particulate matter by capturing them in liquid droplets. The droplets are then collected, with the liquid dissolving or absorbing the pollutant gases.

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