Formal Bimolecular Kinetic Model for the Ozonation of Ciprofloxacin in the Liquid Phase
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Philippe M. Heynderickx
,
Kristof Demeestere
Abstract
A bimolecular kinetic model is proposed for the liquid phase ozonation of organic components, incorporating direct and indirect ozonation by means of bimolecular reaction steps. One of the advantages of this model is that all radicals, present in the liquid phase, are lumped into one concentration, reducing the number of kinetic parameters. The main objective of this paper is to determine the degradation kinetics of ciprofloxacin (CIP), as model component for the class of fluoroquinolones, in order to validate the proposed kinetic model on available experimental data, obtained in a lab scale bubble column reactor. Additionally, different reactor models such as a continuous stirred tank reactor (CSTR) and a plug flow reactor (PFR) are compared in the description of the experimental data. A realistic mass transfer coefficient for ozone from the gas to the liquid phase of 1.65 10-3 s-1 is obtained and the estimated bimolecular reaction rate coefficients are within the range, described by literature. The calculated responses are in good agreement with the experimental results. Knowledge of both the reaction kinetics and the corresponding reactor model is a promising tool to simulate and optimize ozonation reactor configurations.
© 2016 by Walter de Gruyter Berlin/Boston
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Articles in the same Issue
- Application of Fenton’s Reaction for Food-processing Wastewater Treatment
- Degradation of Acid Orange 7 Solution by Air-liquid Gliding Arc Discharge in Combination with TiO2 Catalyst
- Comparing the Formation of Bromate and Bromoform Due to Ozonation and UV-TiO2 Oxidation in Seawater
- Degradation of Ibuprofen Sodium Salt in a Hybrid Photolysis – Membrane Distillation System Utilizing Germicidal UVC Lamp
- Significance of TiO2 Photocatalysis for Green Chemistry
- Electrochemical Treatment of Segregated Effluents from the D-Stage in ECF Kraft Cellulose Bleaching
- A Study on the Removal of Natural Organic Matter and Disinfection Byproducts Formation Potential from Groundwater Using Fenton’s Process
- Investigation of Electric Discharge Sound in Atmospheric Pressure Plasma Using Optical Wave Microphone
- Formal Bimolecular Kinetic Model for the Ozonation of Ciprofloxacin in the Liquid Phase
- Removing Estrogenic Steroids from Waters: The Role of Reducing Hydrated Electron Reactions
- Photocatalytic Inactivation of Escherichia coli with LbL Fabricated Immobilized TiO2 Thin Films
- Solution Combustion Synthesis of BiVO4 Nanoparticles: Effect of Combustion Precursors on the Photocatalytic Activity
- Antibacterial Activity Inhibition after the Degradation of Flumequine by UV/H2O2
- Photocatalytic Degradation of Acid Red G by Bismuth Titanate in Three-phase Fluidized Bed Photoreactor
- Catalytic Epoxidation of Allyl Alcohol with Hydrogen Peroxide under Autogenic Pressure over Ti-MWW Catalyst
- Recent Progress of Nano-Seconds Pulsed Discharge and its Applications
- Ozonation of Municipal Secondary Effluent; Removal of Hazardous Micropollutants and Related Changes of Organic Matter Composition
- Effect of Post-annealing on the Photocatalytic Activity of Hydrothermally Synthesised Titania Nanotubes
- Low Temperature Preparation of Porous Crystalline TiO2 Films Using a Combination of Electrochemical and Electrophoretical Deposition
- Decomposition of Trichloroethylene with Plasma-catalysis: A review
