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:: Volume 6, Number 4 (autumn 2015) ::
j.health 2015, 6(4): 355-366 Back to browse issues page
Efficiency of Electro Fenton and Electrocoagulation with Iron Electrode Processes to Remove Acid Black 1 from Aqueous Environments
Abstract:   (5362 Views)

Background & Objectives: Electrochemical processes have been applied effectively to remove organic compounds from aqueous solutions. In this work, the efficiencies of Electro Fenton (EF) process and Electrocoagulation (EC) using iron electrodes were investigated for removal of Acid Black 1. Methods: This experimental study was performed in a batch reactor and the effects of parameters such as pH, time, voltage, H2O2 and dye concentrations, and COD removal were investigated. In Electro Fenton process H2O2 was chemically added to the reactor while iron anode electrode was used as a ferrous ion source. Results: The results showed that pH, voltage and H2O2 concentration were the main parameters in EF process. The optimum conditions in EF process were obtained at pH 3, H2O2concentration of 100 mg/l and 20 V. With increasing pH from 3 to 11 and voltage from 20 to 40 V the removal efficiency decreased, however, in the EC process the maximum efficiency was obtained at pH 7. Conclusion: Electro Fenton and Electrocoagulation using iron electrodes are suitable processes for dye degradation and treatment of colored wastewater.

Keywords: Electro-Fenton, Electrocoagulation, Acid Black 1, Iron Anode.
Full-Text [PDF 315 kb]   (1589 Downloads)    
Type of Study: Research | Subject: Special
Received: 2015/10/19 | Accepted: 2015/10/19 | Published: 2015/10/19
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Efficiency of Electro Fenton and Electrocoagulation with Iron Electrode Processes to Remove Acid Black 1 from Aqueous Environments. j.health. 2015; 6 (4) :355-366
URL: http://healthjournal.arums.ac.ir/article-1-745-en.html
Volume 6, Number 4 (autumn 2015) Back to browse issues page
مجله سلامت و بهداشت Journal of Health
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