Coagulation: Effectiveness in removing dissolved organic matter fractions

Document Type

Article

Publication Date

1-1-2000

Abstract

Both the proposed United States Environmental Protection Agency (USEPA) Disinfectant/Disinfection By-Product and Interim Enhanced Surface Water Treatment rules have provisions for minimizing the formation of undesirable disinfection by-products (DBPs) in drinking water. Natural organic matter (NOM) in natural waters contains many of the precursors to the DBPs formed following disinfection of drinking water. Resin adsorption procedures were used to isolate and fractionate NOM into six dissolved organic matter (DOM) fractions; Hydrophobic acid (FA), base (FB), neutral (FN), and hydrophilic acid (PA), base (PB), and neutral (PN). Aluminum sulfate (alum) jar coagulation tests were performed over a range of pH and alum dosages to determine the maximum removal of each fraction within that range.

Identifier

0034069885 (Scopus)

Publication Title

Environmental Engineering Science

External Full Text Location

https://doi.org/10.1089/ees.2000.17.107

ISSN

10928758

First Page

107

Last Page

115

Issue

2

Volume

17

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