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Removing Natural Organic Matter by Conventional Slow Sand Filtration

Collins, M. Robin / Eighmy, T. Taylor / Fenstermacher, James M. Jr. / Spanos, Stergios K.

This article evaluates the capacity of slow sand filters to remove natural organic matter (NOM) and organic precursor materials as quantified by dissolved organic carbon, UV absorbance, and trihalomethane formation potential from source waters with varying levels of NOM. Municipal facilities were sampled to provide baseline data and to evaluate the effects of two different filter cleaning techniques, normal scraping and harrowing, on NOM and particulate removal. Pilot‐scale filter studies were conducted to evaluate the influence of two different flow rates on NOM removal, particulate removal, and filter biomass development.

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Removing Natural Organic Matter by Conventional Slow Sand Filtration

Collins, M. Robin / Eighmy, T. Taylor / Fenstermacher, James M. Jr. / Spanos, Stergios K.

This article evaluates the capacity of slow sand filters to remove natural organic matter (NOM) and organic precursor materials as quantified by dissolved organic carbon, UV absorbance, and trihalomethane formation potential from source waters with varying levels of NOM. Municipal facilities were sampled to provide baseline data and to evaluate the effects of two different filter cleaning techniques, normal scraping and harrowing, on NOM and particulate removal. Pilot‐scale filter studies were conducted to evaluate the influence of two different flow rates on NOM removal, particulate removal, and filter biomass development.

Removing Natural Organic Matter by Conventional Slow Sand Filtration

Collins, M. Robin / Eighmy, T. Taylor / Fenstermacher, James M. Jr. / Spanos, Stergios K.

This article evaluates the capacity of slow sand filters to remove natural organic matter (NOM) and organic precursor materials as quantified by dissolved organic carbon, UV absorbance, and trihalomethane formation potential from source waters with varying levels of NOM. Municipal facilities were sampled to provide baseline data and to evaluate the effects of two different filter cleaning techniques, normal scraping and harrowing, on NOM and particulate removal. Pilot‐scale filter studies were conducted to evaluate the influence of two different flow rates on NOM removal, particulate removal, and filter biomass development.

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Title:

Removing Natural Organic Matter by Conventional Slow Sand Filtration

Contributors:

Collins, M. Robin (author) / Eighmy, T. Taylor (author) / Fenstermacher, James M. Jr. (author) / Spanos, Stergios K. (author)

Published in:

Journal ‐ American Water Works Association ; 84 ; 80-90

Publication date:

1992-05-01

Size:

11 pages

ISSN:

1551-8833 , 0003-150X

DOI:

https://doi.org/10.1002/j.1551-8833.1992.tb07357.x

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Slow Sand Filters , Trihalomethanes , Head Loss , Humic Substances , Organics , Particulates , Ultraviolet Absorption , Biomass , Organic Carbon

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