Wet Scrubber Market - Global Industry Analysis and Forecast 2014 – 2020

The term wet scrubber describes a variety of devices that remove pollutants from a furnace flue gas or from other gas streams. In a wet scrubber, the polluted gas stream is brought into contact with the scrubbing liquid, by spraying it with the liquid, by forcing it through a pool of liquid, or by some other contact method, so as to remove the pollutants. The design of wet scrubbers depends on the industrial process conditions and the nature of the air pollutants involved. Inlet gas characteristics and dust properties are of primary importance. Scrubbers can be designed to collect particulate matter and/or gaseous pollutants. Wet scrubbers remove dust particles by capturing them in liquid droplets. The droplets are then collected with the liquid dissolving or absorbing the pollutant gases. The resultant scrubbing liquid must be treated prior to any ultimate discharge or being reused in the plant.

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The uptrend in the wet scrubber market can be attributed to its many advantages. One benefit of installing wet scrubbers is that scrubbers reduce the temperature and volume of the unsaturated exhaust stream. Therefore, vessel sizes, including fans and ducts downstream, are smaller than those of other control devices. Smaller sizes result in lower capital costs and more flexibility in site location of the scrubber. In comparison to baghouses or Electro Static Precipitators (ESPs), wet scrubbers have no temperature limits or condensation problems and can handle high-humidity gas streams. Various dry dusts that are filtered through process plant chimneys can be flammable, the risk of which is eliminated by water spray. Moreover, wet scrubbers have the ability to collect both gases and particulate matter, and also ensure that they do not escape from hoppers or during transportation. In contrast, the market also faces a few challenges. Water and dissolved pollutants can form highly corrosive...