Answered: Find the steady-state concentration…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter11: Chemical Kinetics: Rates Of Reactions

Section: Chapter Questions

Problem 113QRT

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A stream of ozone-enriched air (3% ozone by volume) is bubbled into a reactor as part of a disinfection strategy. Water entering the reactor is free of ozone. KH = 0.011 M/atm and KLa = 18 h-1 for ozone in this system.

Ozone (O3) dissolved in water is unstable. The kinetics of decomposition are complex, but the rate can be approximated as first-order with respect to dissolved ozone. The first-order rate coefficient is pH-dependent and, at pH 8.0 and 25 C, is 12 h-1 in the system of interest.

Find the steady-state concentration (mg/L) of dissolved ozone in the effluent if the reactor is operated as a CMFR with a 15-min retention time

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