Electrochemical treatment of Procion Black 5B using cylindrical flow reactor—A pilot plant study

Raghu, S.; Basha, C. Ahmed

doi:10.1016/j.jhazmat.2006.06.082

Cited by 73 publications

(43 citation statements)

References 18 publications

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“…From the observed experimental data, it is evident that the COD reduction depends on the current density 11,20 . In addition, it is observed that the increase in the current density increases the removal of COD up to 52.86% as shown in Table 3.…”

Section: Influence Of Current Density On Cod Removalmentioning

confidence: 90%

“…Increasing sodium chloride concentration increase the concentration of chlorine through the increase of current efficiency of chlorine formation at the anode and it also suppresses chlorine hydrolysis, thus increasing the concentration of unhydrolysis chlorine in the solution which reacts with lignin, producing water soluble electrolignins and easily oxidizable chlorolignins [17][18][19] . The catalytic action of sodium chloride has been attributed to the participation of electro generated hypochlorite in the oxidation of organics near to the anode or/and in the bulk of the electrolyte 20 . This reaction mechanism was well explained in literature 2,11,20 .…”

mentioning

confidence: 99%

“…The catalytic action of sodium chloride has been attributed to the participation of electro generated hypochlorite in the oxidation of organics near to the anode or/and in the bulk of the electrolyte 20 . This reaction mechanism was well explained in literature 2,11,20 . Increasing the sodium chloride concentration not only decreases the average cell voltage between the anode and the cathode, but also the energy consumption per kg of COD removal of the effluent decreases.…”

mentioning

confidence: 99%

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COD reduction studies of paper mill effluent using a batch recirculation electrochemical method

Kannadasan¹,

Sivakumar

Basha

et al. 2011

Polish Journal of Chemical Technology

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The conventional method of treating pulp and paper mill effluent involves the biological oxidation by bacterial action of aerobic and anaerobic conditions and aerobic lagooning method, which are less efficiency of removing COD. To overcome the drawbacks of the existing treatment process, in the present work an attempt has been made to study the electro oxidative destruction of the pulp and paper mill effluent using an electrochemical method and the effect of various parameters such as concentration of supporting electrolytes, current densities, flow rates of electrolyte and reservoir volumes of the effluent were conducted. From the experimental results it is observed that the rate of reduction of COD of the effluent increased with an increase in the supporting electrolyte (sodium chloride) concentration, current density where as it decreased with increase in the reservoir volume and the flow rate of electrolyte. The residence time distributions studies have also been conducted to study the behavior of the electrochemical reactor.

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Section: Influence Of Current Density On Cod Removalmentioning

confidence: 90%

mentioning

confidence: 99%

mentioning

confidence: 99%

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COD reduction studies of paper mill effluent using a batch recirculation electrochemical method

Kannadasan¹,

Sivakumar

Basha

et al. 2011

Polish Journal of Chemical Technology

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“…Therefore, the selection of electrode materials play an important role in obtaining an electrode with the highest efficiencies for an electrochemical reaction and electrocatalytic reactivity. 7 Among the electrodes that have been used in the decolorization study of synthetic dyes and textile industry effluents are Pt, 4,8,9 boron-doped diamond (BDD), 3,10,11 dimensionally stable anodes (DSA), 7,12,13 and activated carbon fiber (ACF). 14,15 In addition to the electrode materials, the efficiency of the electrochemical oxidation of organics is also dependent on the presence of species that can act as a mediator or oxidant in the bulk solution.…”

Section: Introductionmentioning

confidence: 99%

Decolorization of C.I. Reactive Orange 4 and Textile Effluents by Electrochemical Oxidation Technique using Silver-Carbon Composite Electrode

Nordin

Amir

Yusop³

et al. 2015

ACSi

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In this study, the electrochemical oxidation of C. I. Reactive Orange 4 (RO4) on a silver-carbon composite (AgC-PVC) electrode was studied using the cyclic voltammetry, potential liner V, and electrolysis methods. The AgC-PVC electrode was used as the working electrode in the electrochemical measurement of RO4 in the presence of NaCl as a supporting electrolyte. The UV-Vis spectra of RO4 after the electrochemical oxidation showed the complete decolorization of the solution. The electrolysis products were characterized using FTIR and GC-MS. The results showed that in the presence of OCl -as an active oxidant, RO4 molecules are broken down into several lower-molecular-weight molecules by the electrochemical technique. The electrode used was also able to reduce the COD, BOD 5 and surfactant contents in the textile effluents using a pilot scale reactor. This proved that the prepared AgC-PVC electrode was beneficial for removing both the color and other pollutants from textile effluents.

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“…These include adsorption using activated carbon [8,9], coagulation [10,11], flocculation [12] membrane filtration [13], nano filtration [14,15] and chemical processes like electro chemical oxidation [16][17][18], Fenton reactions [19], ozonation [20] sonochemical [21] and biological processes [22][23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Box behnken design based optimization of solar induced photo catalytic decolourization of textile dye effluent

Senthilkumar¹,

Perumalsamy

Prabhu

et al. 2012

Open Engineering

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Box-Behnken design was employed for the decolourization of synthetic dye bath effluent using solar induced photo catalytic degradation with mixed semi conductor catalysts. Four independent variables namely concentration of dye effluent, catalyst loading, pH and irradiation time was chosen as process variables. The optimum concentrations of dye effluent, catalyst dosage, pH, and irradiation time were found to be 60 mg L −1 , 200 mg L −1 , 7 and 100 min, respectively, for maximum decolourization of dye effluent (91.24%). Predicted values were found to be in good agreement with experimental values and as a result reflected the precision and the applicability of Response Surface Methodology (RSM) (R 2 =0.9785 and Adj R 2 = 0.9569).

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Electrochemical treatment of Procion Black 5B using cylindrical flow reactor—A pilot plant study

Cited by 73 publications

References 18 publications

COD reduction studies of paper mill effluent using a batch recirculation electrochemical method

COD reduction studies of paper mill effluent using a batch recirculation electrochemical method

Decolorization of C.I. Reactive Orange 4 and Textile Effluents by Electrochemical Oxidation Technique using Silver-Carbon Composite Electrode

Box behnken design based optimization of solar induced photo catalytic decolourization of textile dye effluent

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