Modeling ozone mass transfer in reclaimed wastewater

Ozone mass transfer in reclaimed water was evaluated at pilot scale to determine mass-transfer characteristics and reaction kinetics and to assess the use of oxygen as a surrogate to measure this process. Tests were conducted in a 40-L/min pilot plant over a 3-year period. Nonsteady-state mass-trans...

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Veröffentlicht in:Water environment research : a research publication of the Water Environment Federation. - 1998. - 81(2009), 1 vom: 31. Jan., Seite 57-68
1. Verfasser: Jiang, Pan (VerfasserIn)
Weitere Verfasser: Chen, Hsiao-Ting, Babcock, Roger W Jr, Stenstrom, Michael K
Format: Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Water environment research : a research publication of the Water Environment Federation
Schlagworte:Journal Article Ozone 66H7ZZK23N Oxygen S88TT14065
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520 |a Ozone mass transfer in reclaimed water was evaluated at pilot scale to determine mass-transfer characteristics and reaction kinetics and to assess the use of oxygen as a surrogate to measure this process. Tests were conducted in a 40-L/min pilot plant over a 3-year period. Nonsteady-state mass-transfer analyses for both oxygen and ozone were performed for superficial gas flow rates ranging from 0.13m/min to 0.40m/min. The psi factor, which is the ratio of volumetric mass-transfer coefficients of ozone to oxygen, was determined. The decrease in oxygen transfer rate caused by contaminants in reclaimed water was only 10 to 15% compared to tap water. A simple mathematical model was developed to describe transfer rate and steady state ozone concentration. Ozone decay was modeled accurately as a pseudo first-order reaction between ozone and ozone-demanding materials 
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700 1 |a Stenstrom, Michael K  |e verfasserin  |4 aut 
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