An industry wants to reduce the concentration of contaminant X in their waste stream. They have found two ways to do this: Option #1 – Place X in a batch reactor, add compound Y, and compound X decays via zero order kinetics Option #2 – Place X in a batch reactor, add compound Z, and compound X decays via first order kinetics.             For both options, it was found that the concentration of X decreased from 80 mg/L to 30 mg/L in one hour. If the permit level for discharge is 1.0 µg/L, which option do you choose and how long do you need do treat for?

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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An industry wants to reduce the concentration of contaminant X in their waste stream. They have found two ways to do this:

  • Option #1 – Place X in a batch reactor, add compound Y, and compound X decays via zero order kinetics
  • Option #2 – Place X in a batch reactor, add compound Z, and compound X decays via first order kinetics.

     

      For both options, it was found that the concentration of X decreased from 80 mg/L to 30 mg/L in one hour. If the permit level for discharge is 1.0 µg/L, which option do you choose and how long do you need do treat for?

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