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AWWA ACE91025

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AWWA ACE91025 Full Scale Application of Direct Filtration to San Francisco Bay- Delta Water

Conference Proceeding by American Water Works Association, 01/01/1991

Wetstein, Daniel P.; Cummings, Edward W.

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The challenge of full-scale implementation is to duplicate or exceed results obtained at the demonstration scale. In addition to upscaling process selection, obstacles are materials and equipment selection and application, site and structural configuration and optimization, regulatory uncertainty, and budget constraints and scheduling. A successful case study, the Randall-Bold Water Treatment Plant in Concord, California, is used to address these issues. The plant was constructed jointly by the Contra Costa Water District and the Oakley Water District. Terms of the CCWD-OWD agreement are given. A detailed discussion of the upscaling process is given, involving grit removal, pre-ozonation, flash mix, flocculation, filtration, final disinfection, and start-stop operation. A variety of features were incorporated into the plant design to accommodate conditions requiring a special approach, or as capital and O

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Published: 01/01/1991 ISBN(s): 0898675898 Number of Pages: 23File Size: 1 file , 1 MB