Author： Brad W. Stanley M.
Publisher： Water Environment Federation
ISSN： 1938-6478
Source： Proceedings of the Water Environment Federation, Vol.2010, Iss.3, 2010-01, pp. : 615-622
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Abstract
Traditional activated carbon odor control equipment for the waste water industry uses deep bed configurations with 36 inches of media. Non-traditional activated carbon odor scrubbers use cassettes holding “V”-shaped media beds with total bed depth ranging from 3 to 12 inches. The Cassette Systems have a wider velocity range that provides opportunity to reduce the system pressure drop, save energy, and reduce the total life cycle cost relative to traditional Deep Bed Adsorbers.The life cycle costs will differ based on the initial capital costs, cost of media replacement, cost of labor for media replacement, number of media replacements per year, media disposal, and energy consumption of the system. A life cycle valuation was performed for an airflow of 5,500 cubic feet per minute and a hydrogen sulfide design concentration of 5.5 parts per million by volume. The Cassette System using a high capacity carbon achieved a lower life cycle cost over a 10 year period than the Deep Bed Adsorber odor control unit using standard KOH impregnated carbon.
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