Calcium--NOM loading onto GAC

Calcium--NOM loading onto GAC

Despite variations in the source water, Fe addition diminished Ca loading onto GAC in the presence of NOM for most water samples. On average, addition of 5 mg/L Fe(III) diminished the Ca loading by 200 mg/kg at pH 6.35. A combination of pH adjustment and Fe addition was most effective in reducing Ca...

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Veröffentlicht in:Journal - American Water Works Association 2001-12, Vol.93 (12), p.14
Hauptverfasser: Frederick, Holly T, Cannon, Fred S
Format: Artikel
Sprache:eng
Schlagworte:
Acids
Activated carbon
Adsorption
Binding sites
Calcium
Competition
Drinking water
Iron
Ligands
Metals
Water analysis
Water sampling
Water treatment
Water utilities
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creator Frederick, Holly T
Cannon, Fred S
description Despite variations in the source water, Fe addition diminished Ca loading onto GAC in the presence of NOM for most water samples. On average, addition of 5 mg/L Fe(III) diminished the Ca loading by 200 mg/kg at pH 6.35. A combination of pH adjustment and Fe addition was most effective in reducing Ca loading onto GAC. Lowering the pH from 7.2 to 6.0 while adding 5 mg/L Fe diminished Ca loading by an average of 360 mg/kg.
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source Jstor Complete Legacy; Wiley Online Library Journals Frontfile Complete
subjects Acids
Activated carbon
Adsorption
Binding sites
Calcium
Competition
Drinking water
Iron
Ligands
Metals
Water analysis
Water sampling
Water treatment
Water utilities
title Calcium--NOM loading onto GAC
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