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A vertical wetted-wall corona discharge reactor was used for removal of acetaldehyde in air. The reactor consists of a wire cathode sustained at the center of a cylindrical anode. Acetaldehyde laden air was fed either upward or downward through the wetted-wall reactor, in which water was circulated as a falling thin film on the inner wall of the anode. Ozone and short-lived species such as ions and...
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