Adsorption of Natural Organic Polyelectrolytes by Activated Carbon:  A Size-Exclusion Chromatography Study (original) (raw)

Environmental Science & Technology, 1996

Abstract

The adsorption of several different organic polyelectrolytes from aqueous solution by activated carbon was characterized. Polyelectrolytes included humic acids extracted from peat and soil, polymaleic acid, a synthetic polymer identified as a fulvic acid surrogate, and natural organic matter in Huron River (Ann Arbor, MI) water. Isotherms of individual ultrafiltration size fractions confirmed that smaller molecular size components adsorb to a greater extent on an adsorbent mass basis. The molecular weight distributions of organic ...

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