Illinois Water Resources Center - Drinking Water Treatment

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  • Letterman, Raymond D. (University of Illinois at Urbana-Champaign. Water Resources Center, 1975-06)
    The direct filtration process can be an effective and economical alternative to the conventional sequence of operations used for water clarification. In most cases the process has been used to treat water with a consistently ...

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  • Suidan, Makram T.; Snoeyink, Vernon L. (University of Illinois at Urbana-Champaign. Water Resources Center, 1975-08)
    A surface reaction rate expression was developed to describe the heterogeneous reaction between aqueous free chlorine and granular activated carbon. This expression was then incorporated into a pore diffusion model and the ...

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  • Semmens, M.J. (University of Illinois at Urbana-Champaign. Water Resources Center, 1979-02)
    Previous studies demonstrated that ammonium saturated clinoptilolite may be regenerated by nitrifying bacteria if a base is added for pH control. The mechanism was identified to be ammonium release by ion exchange followed ...

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  • Lee, Michael C.-Y.; Snoeyink, Vernon L. (University of Illinois at Urbana-Champaign. Water Resources Center, 1980-11)
    Humic substances are a major concern to the water treatment industry because they can cause odor and color problems and are potentially toxic and/or cancinogenic. A commercial humic acid and fulvic acid extracted from peat ...

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  • Chudyk, Wayne A.; Snoeyink, Vernon L. (University of Illinois at Urbana-Champaign. Water Resources Center, 1980-12)
    Bioregeneration of activated carbon was shown to occur in bench-scale carbon columns through use of parallel bacterially seeded and non-seeded, non-bioactive columns. Phenol degrading organisms were taken from an enrichment ...

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