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Influence of Solution Composition and Chemical Structure of Dye on Removal of Organic Dye by DC Diaphragm Discharge in Water solutions
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Zdenka Stará
,
František Krčma
Published/Copyright:
December 8, 2016
Abstract
The process of organic dye removal from various water solutions containing organic dyes and inorganic additives by the DC diaphragm discharge has been studied in so called “negative part” of this. The concentration of treated dye decreases almost exponentially to constant residual value. The final dye concentration reached approximately 20% of the initial value after 10 minutes of the treatment of the Direct Red 79 dye solution. The dye de-coloration was affected by the dye structure. The azo and diazo compounds have been degraded significantly faster to be compared to thiazine compounds. The degradation process requires an optimal adjustment of the initial solution conductivity. The optimum conductivity of approximately 600 μS⋅cm-1 was found when the dye solution contained either NaCl or NABr electrolytes. The type of electrolyte used for the conductivity adjustment considerably affects the process of dye de-coloration. Halogen compounds have been found to be the most proper compounds for such purpose.
Received: 2007-9-3
Revised: 2007-11-29
Accepted: 2007-12-12
Published Online: 2016-12-8
Published in Print: 2008-1-1
© 2016 by Walter de Gruyter Berlin/Boston
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Articles in the same Issue
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Keywords for this article
diaphragm discharge;
discharge in liquids;
organic dye decomposition;
de-coloration
Articles in the same Issue
- Preface
- An Integral Degradation Model to Describe H2O2-Photooxidation of Linear Alkylbenzenesulfonate (LAS) Surfactants
- Characterization of the Radical Oxidative Level in the Degradation of Phenolic Compounds with H2O2/UV
- Photocatalytic Decolorization of Methylene Blue with Two Photoreactors
- Determination of Quantum Yield in a Heterogeneous Photocatalytic System Using a Fitting-Parameters Model
- Evaluation of Zinc Oxide-Based Photocatalytic Degradation of a Commercial Pesticide
- Photocatalytic Activity of W-Doped TiO2 Nanopowders
- Catalytic Wet Peroxide Oxidation Process for the Continuous Treatment of Polluted Effluents on a Pilot Plant Scale
- Effect of Ultrasound on the Properties of Heterogeneous Catalysts for Sono-Fenton Oxidation Processes
- AOP in Water by Means of a DBD Conducted in a Coaxial Reactor
- Removal of Atrazine from Simulated Groundwater by AOTs
- Modelling Approach to Fenton and Photo-Fenton Treatments
- Chlorobenzene Degradation Assisted by TiO2 under UV Irradiation in Aqueous Solutions
- Optimization of Parameters for Hydrogen Production by Photocatalytic Alcohol Reforming in the Presence of Pt/TiO2 Nanocrystalline Thin Films
- Study on Bipolar Corona Discharge in Emitting Needle Electrode Configuration
- I-V Characteristics of Corona Discharge in Emitting Wire Electrode Configuration
- Micro-pore Ceramic Filter and UV System as Ballast Water Treatment: Preliminary Study on Chlorella Removal and Bacteria Inactivation
- Application of Box–Wilson Experimental Design Method for the Photocatalytic Degradation of Remazol Brilliant Blue R-A with Solar UV/TiO2/Fe(III) Processes
- Treatment of Industrial Cork Processing Water by Ozonation and Ozone Based Advanced Oxidation Processes (O3/UV and O3/H2O2) in a Bubble Column Reactor
- Chemo- and Regio-Selectivity in the TiO2-Mediated Photooxidation of 1,n-diols
- Photosensitized Chlorobenzene Degradation by UV/H2O2 Oxidation
- Influence of Solution Composition and Chemical Structure of Dye on Removal of Organic Dye by DC Diaphragm Discharge in Water solutions
- Photocatalytic Oxidation of Multi-Component Systems – An Investigation Using Toluene/Ethylbenzene, Octane/Decane/Dodecane and Formaldehyde/Acetaldehyde
