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AWWA JAW34916

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AWWA JAW34916 Journal AWWA - Air-Stripper Design and Costing Computer Program

Journal Article by American Water Works Association, 10/01/1993

Dzombak, David A.;Roy, Sujoy B.;Fang, Hung-Jung

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Packed-tower countercurrent air-stripping is widely used to remove volatile organic compounds from contaminated water. An air stripper is designed using a well-developed mathematical model of the process. However, the number of variables in the model exceeds the number of constraining equations by two, with the result that a number of alternative air-stripper designs are possible for a particular water treatment objective. To select one or several designs associated with minimum capital and operating costs, it is necessary to develop a large number of possible designs and to estimate the costs associated with each. The air-stripper design and costing (ASDC) program, a microcomputer-based public-domain program, automates the iterative design and cost calculations and thus enables rapid, preliminary evaluation of alternative air-stripper designs and associated costs. In this article, the design methodology and cost-estimation techniques incorporated in ASDC are described, and ASDC cost predictions are compared with costs reported for actual operating air strippers. Includes 31 references, tables, figures.

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Edition: Vol. 85 - No. 10 Published: 10/01/1993 Number of Pages: 10File Size: 1 file , 2.5 MB