Spray tower dust removal systems are widely used in industrial settings for the removal of particulate matter and gaseous pollutants from exhaust gases. Here's an introduction to these systems based on the provided search results:

Operation Principle: Spray tower scrubbers operate by introducing a PM-laden stream into a chamber where it comes into contact with liquid droplets generated by spray nozzles. The size of these droplets is controlled to maximize liquid-particle contact, thereby enhancing the scrubber's collection efficiency.

In a cyclonic spray chamber, the gas is introduced to produce cyclonic motion, which contributes to higher gas velocities and more effective particle and droplet separation.

VOC Control: Spray towers are also used for the control of Volatile Organic Compounds (VOCs). In this process, the organics in the gas stream are dissolved in a liquid solvent, with the contact between the absorbing liquid and the vent gas occurring in counter-current spray towers.

Advantages:

• They have a relatively low pressure drop, which means less energy is required to operate them.
• They can handle flammable and explosive dusts with minimal risk.
• Constructed from materials like fiberglass-reinforced plastic (FRP), they can operate in highly corrosive atmospheres.
• They have a relatively low capital cost and small space requirements.
• They are free from plugging issues and can collect both PM and gases.

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