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FORMATION OF KETOACIDS AND AOC DURING OZONATION IN DRINKING WATER
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  • Journal title : Environmental Engineering Research
  • Volume 11, Issue 6,  2006, pp.293-302
  • Publisher : Korean Society of Environmental Engineering
  • DOI : 10.4491/eer.2006.11.6.293
 Title & Authors
FORMATION OF KETOACIDS AND AOC DURING OZONATION IN DRINKING WATER
Lee, Kyung-Hyuk;
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 Abstract
The reaction of ozone with NOM (Natural Organic Matter) can occur by two different pathways: that involving molecular ozone and by way of reactions with hydroxyl radicals which are produced from the decomposition of molecular ozone. As such, the formation of ketoacids and Assimilable Organic Carbon (AOC) can be controlled by controlling the pathway by which ozone reacts with NOM. The ratios of ( values) were determined under the various ozonation conditions. The values increased with increasing initial ozone concentration. The values (ranges from 10 to ) increased linearly as temperature increased (within the range from 10 to ). However, was independent of hydraulic retention time (HRT). Operational conditions were found to affect the formation of AOC. The conditions where the molecular ozone reaction predominated resulted in an increase in the formation of AOC.
 Keywords
Ozonation;Ketoacids;AOC (Assimilable Organic Carbon);Molecular Ozone;Hydroxyl Radical;
 Language
English
 Cited by
1.
오존산화 공정에서 염색폐수가 혼합된 하수의 색도 제거 및 분포특성 연구,이병천;이순화;이철희;

대한환경공학회지, 2007. vol.29. 10, pp.1085-1092
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Catalytic ozonation not relying on hydroxyl radical oxidation: A selective and competitive reaction process related to metal–carboxylate complexes, Applied Catalysis B: Environmental, 2014, 144, 831  crossref(new windwow)
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