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Interaction of activated carbon with dissolved oxygen

✍ Scribed by Richard Prober; John J. Pyeha; William E. Kidon

Publisher
American Institute of Chemical Engineers
Year
1975
Tongue
English
Weight
513 KB
Volume
21
Category
Article
ISSN
0001-1541

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✦ Synopsis

Abstract

The sorption of dissolved oxygen on activated carbon was characterized with manometric and packed column apparatus. All carbons tested, granular and powdered, virgin and reactivated, sorbed 150 to 600 ΞΌmole of oxygen/g after run times up to 1 700 hr., but sitll not at equilibrium. The rate data generally conform to a model of sorption limited by intraparticle diffusion. Carboxylic acid groups increase by about 200 ΞΌeq/g as a result of dissolved oxygen sorption, which can account for at least 10 to 50% of the oxygen sorbed. Also, about 5% of the sorbed oxygen can be eluted into deoxygenated water.

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