Industrial Scrubbers

Scrubber systems (e.g. chemical scrubbers, gas scrubbers) are a diverse group of air pollution control devices that can be used to removesome particulates and/or gases from industrial exhaust streams.

wet scrubber

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venturi scrubber

A venturi scrubber consists of a converging section, a throat (the narrowest part of the venturi tube) and a diffuser. The gas flows through the venturi tube and reaches top speed in the throat section. Thereafter, the gas passes into the diffuser where the speed of the gas drops once again. The liquid is added to the gas flow either in the throat section or prior to it. Intensive mixing takes place between the gas and the liquid in the throat section of the venturi tube. Due to the high speed realised by the gas and liquid, the water is broken down into fine water droplets. It can also be used as a dust scrubber

cyclone separator

Cyclone separators or simply cyclones are separation devices that use the principle of inertia to remove particulate matter from flue gases. Cyclone separators is one of many air pollution control devices known as pre cleaners since they generally remove larger pieces of particulate matter. A high-speed rotating (air) flow is established within a cylindrical or conical container called a cyclone. Air flows in a spiral pattern, beginning at the top (wide end) of the cyclone and ending at the bottom (narrow) end before exiting the cyclone in a straight stream through the centre of the cyclone and out the top. Larger (denser) particles in the rotating stream have too much inertia to follow the tight curve of the stream and strike the outside wall, falling then to the bottom of the cyclone where they can be removed. In a conical system, as the rotating flow moves towards the narrow end of the cyclone the rotational radius of the stream is reduced, separating smaller and smaller particles.
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