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AWWA JAW6355

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AWWA JAW6355 Journal AWWA - The Behavior of Asbestos-Cement Pipe Under Various Water Quality Conditions: Part 2, Theoretical Considerations

Journal Article by American Water Works Association, 12/01/1981

Schock, Michael R.;S. Buelow, Ralph W.

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A water chemical model involving the complexion and solubility equilibria of calcium, magnesium, zinc, iron, manganese, silica, chloride, orthophosphate, and carbonate has been developed and applied to laboratory pipe-loop-coupon and field data on asbestos-cement pipe. Calculation of the saturation states of the relevant solids enables preparation of graphic guides for the prediction of dosage levels for in-situ pipe coating by zinc compounds as well as protection afforded by coatings formed by natural inhibitory constituents of the water. Environmental impacts of zinc treatment, aggressiveness index, and A-C pipe coupon tests are discussed. Includes 91 references, tables, figures.

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Edition: Vol. 73 - No. 12 Published: 12/01/1981 Number of Pages: 16File Size: 1 file , 3.3 MB