Air Cleaners and Filters:Charged-Media Air Cleaners

Charged-Media Air Cleaners

The basic working components of a charged-media electronic air cleaner are an electrically charged grid operating in conjunction with a media pad or mat. Media pads are commonly made of fiber- glass, cellulose, or a similar material.

The charged-media air cleaner operates on the electrostatic prin- ciple. When voltage is applied to the grid, an intense electrostatic field is created. Dust particles passing through this field are polar- ized and caught by the media pads in much the same way that metal filings adhere to a magnet. When these media pads are filled, they must be removed and replaced with clean ones.

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