Electrostatic Precipitator (ESP)
An Electronic Air Cleaner, also known as Electrostatic Precipitator (ESP) uses an electric charge to remove impurities – either solid particles or liquid droplets – from the air. It functions by applying energy only to the particulate matter to be collected without significantly hindering the airflow.
Introduction
ESPs are used for air pollution control, particularly for removing particles from waste gases at industrial facilities and power-generating stations.
A high voltage is applied to the ionising wires to form a strong electric field between them. Electrons present in contaminated air (containing pollutants like fine dust, smoke particles, pollens, mould spores, bacteria, etc.) are pushed at high velocity from the negatively charged electric field to the positively charged electric field. Along the way, they collide with the contaminants, releasing more electrons. The ionised particles are moved by the moving air into the strong electric field at the collectors and trapped at the charged collector plates.
Applications:
Kitchen Exhaust | Industrial | HVAC Air Purification |
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