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How does air freshener work in terms of static electricity?

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2005-09-20 11:30:11
2005-09-20 11:30:11

Air "fresheners" typically just mask odors by putting out a stronger odor. However, electronic air cleaners are also able to destroy some odors. High voltage (DC) is applied across two plates as air passes between them. Three things occur that result in destroying odors when the voltage is applied. First, ozone is produced, which is a natural air freshener. Second, small particles are drawn to either the + or - voltage, depending on the natural charge of the particle. Third, many molecules are not able to remain stable in a voltage of that intensity resulting in a breakdown of the molecule into other compounds such as carbon and oxygen.

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