Electrochemical Treatment of Oilfield Produced Wastewater on Ni-Sb- SnO2/Ti Electrodes
-
Wang Yun-Hai
and
Kuang Jun-Yao
Abstract
Nickel and antimony doped tin dioxide (NATO) coated titanium electrodes were used for electrochemical treatment of oilfield produced wastewater. The effects of electrode distance, current density and electrolysis time on COD removal ratio, current efficiency, energy efficiency and BOD to COD ratio were investigated. The optimized electrode distance of 5 mm and current density of 6 mA cm-2 were obtained. Under the optimized conditions, after 150 min electrolysis, COD removal ratio of 85.6% was achieved with energy efficiency of 0.0182 g COD kJ-1 and current efficiency of 86%. However, with 30 min electrolysis, the energy efficiency of 0.0316 g kJ-1 and current efficiency of 149.4% were achieved with BOD to COD ratio increased to 0.51. It indicated that further biological treatment was applicable after 30 min electrolysis. The results showed that NATO had potential applications in oilfield produced wastewater treatment.
© 2016 by Walter de Gruyter Berlin/Boston
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Articles in the same Issue
- Degradation Kinetics of Reactive Black 5 Wastewater by UV/H2O2
- Thick TiO2 Sol – gel Films for Water Detoxification: Synthesis, Characterization and Use for Photocatalytic Oxidation
- Aqueous Photocatalytic Oxidation of Doxycycline
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- Titanium Dioxide-mediated Photocatalysed Mineralization of Two Selected Organic Pollutants in Aqueous Suspensions
- The Effect of Boron Content on Properties of B-TiO2 Photocatalyst Prepared by Sol-gel Method
- Color and COD Removal of Azo Dye ‘Basic Blue 9’ by Fenton Oxidation Process: Determined of Optimal Parameters and Kinetic Study
- Improved Visible Light Photocatalytic Performance of Flower-like Bi2O3
- Electrochemical Treatment of Oilfield Produced Wastewater on Ni-Sb- SnO2/Ti Electrodes
- Decolorization of Reactive Black 5 using Peroxymonosulfate in Fentonlike Process
- Photocatalytic/Adsorptive Removal of Methylene Blue Dye by Electrophoretic Nanostructured TiO2/Montmorillonite Composite Films
- Reuse of Homogeneous Fenton’s Sludge from Detergent Industry as Fenton’s Catalyst
- TiO2-assisted Photocatalytic Degradation of Diazo Dye Reactive Red 120: Decolorization Kinetics andMineralization Investigations
- Preparation of CIGS Thin Films by HiPIMS or DC Sputtering and Various Selenization Processes
