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RECORD NUMBER: 35 OF 39

Main Title Effect of Dissolved Oxygen on Phenols Breakthrough from GAC Adsorbers.
Author Vidic, R. D.; Suidan., M. T.;
CORP Author Cincinnati Univ., OH. Dept. of Civil and Environmental Engineering.;Environmental Protection Agency, Cincinnati, OH. Risk Reduction Engineering Lab.
Publisher c1992
Year Published 1992
Report Number EPA/600/J-94/143;
Stock Number PB94-146776
Subjects Adsorption; Activated carbon treatment; Water pollution control; Reprint; Oxygen; Dissolved gases; Cresols; Phenols; Polymerization; Surface chemistry; Water treatment; GAC(Granular activated carbon); Oxic conditions
Holdings
Library   Call Number Additional Info Location Date Modified
NTIS PB94-146776 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 09/01/1994
Collation 11p
Abstract The study demonstrates that molecular oxygen plays an important role in the adsorption of organic compounds from water by activated carbon. It was determined that the adsorptive capacity of granular activated carbon (GAC) for o-cresol can increase by almost 200% as a result of the presence of molecular oxygen in the test environment (oxic conditions). This increase in adsorptive capacity is not due to biological activity but can be totally attributed to the polymerization of o-cresol on the carbon surface under oxic conditions. The rate of adsorbate polymerization is such that the presence of molecular oxygen does not influence adsorption kinetics during the first 12 hours of adsorbent-adsorbate contact. However, the concentration of dissolved oxygen in the feed to a GAC adsorber can significantly influence the breakthrough of adsorbate. (Copyright (c) 1992 IAWPRC.)
Supplementary Notes Pub. in Water Science Technology, v26 n5-6 p1185-1193 1992. Sponsored by Environmental Protection Agency, Cincinnati, OH. Risk Reduction Engineering Lab.
NTIS Title Notes Journal article.
Title Annotations Reprint: Effect of Dissolved Oxygen on Phenols Breakthrough from GAC Adsorbers.
Category Codes 68D; 99F
NTIS Prices PC A03/MF A01
Primary Description 600/14
Document Type NT
Control Number 413328224
Cataloging Source NTIS/MT
Origin NTIS
Type CAT


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