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The Effects of System Scale-Up on Membrane Performance, Packing Density, and Mixed Liquor Properties: A Two-Year Study

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A two-year study of the impact system scale has on short-term fouling rates and long-term membrane performance was conducted. Four system scales; bench, module, cassette and plant were used. Bench and module scale systems were found to be useful for evaluation of alternative membrane designs and operational parameters. Plant scale testing was found to be required for long-term performance validation. Monitoring of mixed liquor filterability at different system scales using colloidal TOC and time-to-filter revealed a tendency for smaller systems to react more rapidly and drastically to sudden process changes.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864708788803488

Publication date: January 1, 2008

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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