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RE-ENTRAINMENTThe phenomenon whereby dust is collected from the air stream and is then returned to the air stream. It occurs when dust is cleaned from the bag and then caught again by an upward moving air stream, which redeposits it on a bag.
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RE-ENTRAINMENTRe-Entrainment is the situation that occurs when the air being exhausted from a building is immediately brought back into the system through the air intake and other openings in the building envelope.
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RE-ENTRAINMENTUsed in this document to refer to the flow of ASD exhaust gases back into the house after they have been discharged outdoors. Re-entrained exhaust can prevent indoor radon concentrations from being reduced to the extent that would otherwise be possible by the ASD system. Discharge of the ASD exhaust above the house eave, and away from openings in t [..]
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RE-ENTRAINMENTThe re-depositing of dust on the filter surface after it has been pulsed off. Re-entrainment is usually caused by turbulence in the hopper or dirty air plenum.
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