Preparation and Applications of Graphite Substrate Lead Dioxide (GSLD) Anode

Narasimham, K.C.; Udupa, H. V. K.

doi:10.1149/1.2133063

Cited by 28 publications

(13 citation statements)

References 22 publications

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“…The current efficiency is >80% with an energy consumption of 6.0-6.5 kWh kg À1 of the perchlorate. Similar technology for the production of periodate has been described 62 and processes have also been described for the formation of bromate 165 and iodate 62 from bromide and iodide, respectively.…”

Section: The Manufacture Of Chemicalsmentioning

confidence: 99%

“…Clearly, this is unrealistic for any practical application. Titanium is the usual substrate for applications although an Indian group have promoted graphite [62][63][64][65][66][67][68][69][70] and some papers have suggested tantalum 71 and ebonex. [72][73][74] Adhesion of the PbO 2 coating to titanium is, however, a problem.…”

Section: Deposition Of Lead Dioxide Coatingsmentioning

confidence: 99%

“…[62][63][64][65][66][67] Typical conditions are an electrolyte consisting of 250 g litre À1 of the chlorate, pH 7, at a temperature of B330 K, a PbO 2 anode and a steel cathode and a current density of 50 mA cm À2 . The current efficiency is >80% with an energy consumption of 6.0-6.5 kWh kg À1 of the perchlorate.…”

Section: The Manufacture Of Chemicalsmentioning

confidence: 99%

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Electrodeposited lead dioxide coatings

2011

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Lead dioxide coatings on inert substrates such as titanium and carbon now offer new opportunities for a material known for 150 years. It is now recognised that electrodeposition allows the preparation of stable coatings with different phase structures and a wide range of surface morphologies. In addition, substantial modification to the physical properties and catalytic activities of the coatings are possible through doping and the fabrication of nanostructured deposits or composites. In addition to applications as a cheap anode material in electrochemical technology, lead dioxide coatings provide unique possibilities for probing the dependence of catalytic activity on layer composition and structure (critical review, 256 references).

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Section: The Manufacture Of Chemicalsmentioning

confidence: 99%

Section: Deposition Of Lead Dioxide Coatingsmentioning

confidence: 99%

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Electrodeposited lead dioxide coatings

2011

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“…Carbon Surface Treatment. Pretreatment of carbon rod (8 mm × 25 cm) was carried out following the procedure applied by Narasimham and Udupa [33]. e carbon rod was soaked in 5% NaOH solution, washed with distilled water, dried in furnace at 105 ∘ C, and cooked with linseed oil to reduce the porosity of rod.…”

Section: Preparation Of Modi�ed C/pbo 2 Electrodementioning

confidence: 99%

Electrochemical Degradation of Reactive Yellow 160 Dye in Real Wastewater Using C/PbO₂‐, Pb + Sn/PbO₂ + SnO₂‐, and Pb/PbO₂ Modified Electrodes

Gaber

Ghalwa

Khedr

et al. 2012

Journal of Chemistry

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ree modi�ed electrodes (C/PbO 2 , Pb + Sn/PbO 2 + SnO 2 , and Pb/PbO 2 ) were prepared by electrodeposition and used as anodes for electrochemical degradation of Reactive Yellow 160 (RY160) dye in aqueous solution. Different operating conditions and factors affecting the treatment process including current density, temperature, initial concentration of (RY160), pH, conductive electrolyte and time of electrolysis were studied and optimized. e best degradation occurred in the presence of NaCl (4 g L −1 ) as a conductive electrolyte. Aer 15 min, nearly complete degradation of RY160 was achieved (97.9%, 96.65 and 95.35% using C/PbO 2 , Pb+Sn/PbO 2 + SnO 2 , and Pb/PbO 2 electrodes, resp.) at pH 7.13. Higher degradation efficiency was obtained at 25 ∘ C. e optimum current density for the degradation of RY160 on all electrodes was 50 mA cm −2 . e prepared C/PbO 2 , Pb+Sn/PbO 2 + SnO 2 and Pb/PbO 2 electrodes were found to be highly efficient in the treatment of effluents obtained from dyeing factory which contain RY160 dye with very slight matrix effect.

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“…Pretreatment of Carbon rod (8 mm × 25 cm) was carried out following the procedure applied by Narasimham and Udupa [15]. The carbon rod was soaked in 5% NaOH solution, washed with distilled water, dried in furnace at 105˚C, for 15 min., cooked with linseed oil to reduce the porosity of rod.…”

Section: Preparation Of the Carbon/lead Dioxide (C/pbo 2 Electrode)mentioning

confidence: 99%

Studies on Degradation of Diquat Pesticide in Aqueous Solutions Using Electrochemical Method

Ghalwa¹,

Shawish²,

Hamada³

et al. 2012

AJAC

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The C/PbO 2 electrode assisted electrochemical removal of diquat dibromide herbicides solutions has been the subject of the present investigation under several operating conditions. The optimum conditions of the treatment process are: current density of 150 mA/cm 2 , pH 2.2, NaCl concentration 2 g/L, temperature of 10˚C and initial diquat concentration of 50 mg/L. The time of electrolysis is 60 min for degradation rate of diquat and chemical oxygen demand (COD) removal is 210 min. The results were obtained by UV-Vis spectrophotometer and the present designed electrode was coincident.

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Preparation and Applications of Graphite Substrate Lead Dioxide (GSLD) Anode

Cited by 28 publications

References 22 publications

Electrodeposited lead dioxide coatings

Electrodeposited lead dioxide coatings

Electrochemical Degradation of Reactive Yellow 160 Dye in Real Wastewater Using C/PbO₂‐, Pb + Sn/PbO₂ + SnO₂‐, and Pb/PbO₂ Modified Electrodes

Studies on Degradation of Diquat Pesticide in Aqueous Solutions Using Electrochemical Method

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Preparation and Applications of Graphite Substrate Lead Dioxide (GSLD) Anode

Cited by 28 publications

References 22 publications

Electrodeposited lead dioxide coatings

Electrodeposited lead dioxide coatings

Electrochemical Degradation of Reactive Yellow 160 Dye in Real Wastewater Using C/PbO2‐, Pb + Sn/PbO2 + SnO2‐, and Pb/PbO2 Modified Electrodes

Studies on Degradation of Diquat Pesticide in Aqueous Solutions Using Electrochemical Method

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Electrochemical Degradation of Reactive Yellow 160 Dye in Real Wastewater Using C/PbO₂‐, Pb + Sn/PbO₂ + SnO₂‐, and Pb/PbO₂ Modified Electrodes