1986
DOI: 10.1080/01919518608552410
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Adsorption and Microbiological Mechanisms for Removal of Natural Organics in Granular Activated Carbon Columns

Abstract: Performance data for GAC columns treating surface water are analyzed to determine the relative importance of physical adsorption and biological activity, with and without preozonation. Kinetic and equilibrium adsorption parameters for the source water are used in the Homogeneous Surface Diffusion model to predict GAC performance over 83 weeks. The model underestimates removal of TOC for ozonated and unozonated streams by 46% and 28$, respectively, which is attributed to omission of biological removal in the mo… Show more

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Cited by 3 publications
(3 citation statements)
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“…These product compounds were shown to be less adsorbable on the activated carbon. 17 However, the overall removal of natural organic compounds that was achieved via a biological activated carbon system was found to increase after the influent water had been preozonated. Ozonation was shown to increase the biodegradability of the organic compounds in water treatment operations.…”
Section: O 3 and Oxidant Treatment Of Water-phasementioning
confidence: 99%
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“…These product compounds were shown to be less adsorbable on the activated carbon. 17 However, the overall removal of natural organic compounds that was achieved via a biological activated carbon system was found to increase after the influent water had been preozonated. Ozonation was shown to increase the biodegradability of the organic compounds in water treatment operations.…”
Section: O 3 and Oxidant Treatment Of Water-phasementioning
confidence: 99%
“…Ozonation was shown to increase the biodegradability of the organic compounds in water treatment operations. 17 This appears to have occurred at least in part because the ozonation causes more extensive oxygenation of organic species, 18 which causes the organic compounds to become more biodegradable.…”
Section: O 3 and Oxidant Treatment Of Water-phasementioning
confidence: 99%
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