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International Journal of Chemical Reactor Engineering

Ed. by de Lasa, Hugo / Xu, Charles Chunbao


IMPACT FACTOR 2018: 1.059
5-year IMPACT FACTOR: 1.156

CiteScore 2018: 1.04

SCImago Journal Rank (SJR) 2018: 0.292
Source Normalized Impact per Paper (SNIP) 2018: 0.520

Online
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1542-6580
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Volume 10, Issue 1

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Combination of Design Equation and Kinetic Modeling for a Batch-Recirculated Photoreactor at Photooxidative Removal of C.I. Acid Red 17

Mohammad A. Behnajady
  • 1Department of Chemistry, Faculty of Science, Tabriz Branch, Islamic Azad University, Tabriz, Iran,
  • Other articles by this author:
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/ Elham Siliani-Behrouz
  • 2Department of Chemistry, Faculty of Science, Tabriz Branch, Islamic Azad University, Tabriz, Iran,
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/ Nasser Modirshahla
  • 3Department of Chemistry, Faculty of Science, Tabriz Branch, Islamic Azad University, Tabriz, Iran,
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Published Online: 2012-05-25 | DOI: https://doi.org/10.1515/1542-6580.2945

In this work, a design equation has been presented for a reactor composed of an annular photoreactor and a continuous stirred tank reactor (CSTR) with a batch-recirculated current. In this reactor the removal of a contaminant namely C.I. Acid Red 17 (AR17) that is a monoazo acidic dye by means of UV/H2O2 process has been investigated. AR17 kinetics in all cases follows pseudo-first-order kinetics. The effects of the operational parameters such as liquid volume inside the CSTR, volumetric flow rate and initial concentration of H2O2 in the removal efficiency have been surveyed. The results indicate that the increase in volumetric liquid rate increases the removal rate; also, the increase in the experimental liquid volume inside the CSTR decreases the removal efficiency. H2O2 concentration has a critical effect in the removal efficiency. A rate equation for removal of AR17 was achieved by kinetic modeling. Resulted equation was combined with mole balance equation for achieving final equation. The presented final design equation is thoroughly able to predict the reaction rate constant (kap1) under various conditions so that calculated and experimental results are in good agreement.

Keywords: Advanced Oxidation Processes (AOPs); design equation; kinetic modeling; batch-recirculated reactor; C.I. Acid Red 17

About the article

Published Online: 2012-05-25


Citation Information: International Journal of Chemical Reactor Engineering, Volume 10, Issue 1, ISSN (Online) 1542-6580, DOI: https://doi.org/10.1515/1542-6580.2945.

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