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Information Journal Paper

Title

TREATMENT OF WASTE SLUDGE: A COMPARISON BETWEEN ANODIC OXIDATION AND ELECTRO-FENTON PROCESSES

Pages

  188-193

Abstract

 Background: Electrochemical methods, as one of the advanced oxidation processes (AOPs), have recently been applied to remove different contaminants from water and wastewater. This study compares the performance of ANODIC OXIDATION (AO) and electro- Fenton (EF) methods on waste SLUDGE TREATMENT.Methods: This experimental study was performed on real sludge and the effect of operating parameters such as solution pH, operating time, current density, supporting electrolyte and hydrogen peroxide concentration were investigated in a batch reactor. For determination of oxidation and treatability of the sludge, chemical oxygen demand (COD) and total coliform (TC) removal were examined. Pb/PbO2 and iron electrodes respectively for AO and EF were applied.Results: Experimental data indicated for both AO and EF as the operating time and current density increased, COD removal increased. pH=4.0 and 3.0 and current density=1.75 and 2 A respectively for AO and EF and the concentration=57.2 mMol of hydrogen peroxide for EF were measured as the optimum amounts of these variables. The removal efficiency of COD in AO and EF process was 76% and 72%, respectively. Of course, the efficiency of EF in TC removal was better and the percentage of TC removal in 60 min for AO and EF was 99.0% and 99.9%, respectively. The amounts of consumed electrical energy for AO and EF were 8.6 and 28.0 kWh kg-1 COD, respectively.Conclusions: AO was more effective in treatment and mineralization of waste sludge and TC removal than EF in terms of environmental economical features.

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    APA: Copy

    GODINI, KAZEM, AZARIAN, GHASEM, RAHMANI, ALI REZA, & ZOLGHADR NASAB, HASSAN. (2013). TREATMENT OF WASTE SLUDGE: A COMPARISON BETWEEN ANODIC OXIDATION AND ELECTRO-FENTON PROCESSES. JOURNAL OF RESEARCH IN HEALTH SCIENCES (JRHS), 13(2), 188-193. SID. https://sid.ir/paper/301468/en

    Vancouver: Copy

    GODINI KAZEM, AZARIAN GHASEM, RAHMANI ALI REZA, ZOLGHADR NASAB HASSAN. TREATMENT OF WASTE SLUDGE: A COMPARISON BETWEEN ANODIC OXIDATION AND ELECTRO-FENTON PROCESSES. JOURNAL OF RESEARCH IN HEALTH SCIENCES (JRHS)[Internet]. 2013;13(2):188-193. Available from: https://sid.ir/paper/301468/en

    IEEE: Copy

    KAZEM GODINI, GHASEM AZARIAN, ALI REZA RAHMANI, and HASSAN ZOLGHADR NASAB, “TREATMENT OF WASTE SLUDGE: A COMPARISON BETWEEN ANODIC OXIDATION AND ELECTRO-FENTON PROCESSES,” JOURNAL OF RESEARCH IN HEALTH SCIENCES (JRHS), vol. 13, no. 2, pp. 188–193, 2013, [Online]. Available: https://sid.ir/paper/301468/en

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