COD removal from leachate by electrocoagulation process: treatment with monopolar electrodes in parallel connection
| Autor: | Mehtap Tanyol, Aysenur Ogedey, Ensar Oguz |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Environmental Engineering
Turkey medicine.medical_treatment 0211 other engineering and technologies 02 engineering and technology 010501 environmental sciences Wastewater 01 natural sciences Waste Disposal Fluid Electrocoagulation Water Purification medicine Leachate Electrodes 0105 earth and related environmental sciences Water Science and Technology Biological Oxygen Demand Analysis 021110 strategic defence & security studies Chemistry Chemical oxygen demand Environmental engineering Electrochemical Techniques Hydrogen-Ion Concentration Models Theoretical Pulp and paper industry Waste Disposal Facilities Electrode Water Pollutants Chemical |
| Zdroj: | Water science and technology : a journal of the International Association on Water Pollution Research. 77(1-2) |
| ISSN: | 0273-1223 |
| Popis: | This study examines the removal of chemical oxygen demand (COD) from landfill leachate generated from the municipal landfill site of Bingol, Turkey. The effect of parameters such as current density, pH, and inter-electrode distance during the electrocoagulation (EC) process on COD removal of the process was investigated. Moreover, for COD removal, the energy consumption and operating costs were calculated for iron electrode under the EC conditions. COD removal efficiency was 72.13% at the current density of 16 mA m−2, pH of 8.05, and the inter-electrode distance of 9 mm at the detention time of 60 min with iron electrode and the COD concentration was reduced from 6,100 mg L−1 to 1,700 mg L−1 by EC. The highest value of the electrical energy and electrode consumptions per kg of COD in the optimum conditions were determined as 0.055 kWh kg−1 COD and 3.43 kg kg−1 COD and the highest operating cost value was found to be 1.41 US$ kg−1 COD for 0–60 min time intervals. |
| Databáze: | OpenAIRE |
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