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A “Successful Failure” of a Collection System Biofilter Fan Test in Albuquerque, NM

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The primary challenge in wastewater collection system odor control is to find an optimized balance between forced air withdrawal of foul air through an odor scrubber and introducing liquid phase odor control measures. In some cases forced air withdrawal alone is sufficient to reduce odors in a given segment of the collection system. This is due to the fact that air primarily escapes from gravity collection systems due to the buildup of positive differential air pressure. In other cases, liquid phase odor control measures alone will suffice. In still other cases, some optimized combination of liquid and gas phase control will prove to be the most efficient means of significant odor reduction. In deciding on any one of these strategies, one of the first questions that a utility manager must answer is, “what is the zone of influence in which the odors need to be controlled?”

Keywords: Odor control; air pressure; sewer ventilation

Document Type: Research Article


Publication date: 2010-01-01

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