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The Treatment of Hospital Wastewater Using Electrocoagulation Process – Analysis by Response Surface Methodology

Treść / Zawartość
Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Electrocoagulation (EC) can be defined a method utilized to remove pollutants from wastewater by applying an electric current to sacrificial electrodes. Many experimental variables like NaCl content (0–4 g/l), current density (5–25 mA/cm2), time (30–90 mins), and pH (4–10) that influence the removal efficiency regarding COD were considered. In the presented research, three distinct configurations related to electrodes, i.e. Al-Al, Fe-Al, and Fe-Fe, have been utilized to determine which was the most effective. RSM depending on BBD was utilized for optimizing various operational parameters with regard to HWW by use of EC. Maximum COD removal (97.9%) was reached at Fe-Al electrodes, NaCl (3.2 g/l), current density (24.7 mA/cm2), time (81.7 mins), and pH (7.4). COD removal (91.3%) was achieved at the Al-Al electrodes, NaCl (3.8 g/l), current density(23.5 mA/cm2), time-86.3 min, and Ph (7.7). At the Fe-Fe electrodes, the removal of COD (89.5%) was obtained at NaCl (2.3 g/l), current density (24.6 mA/cm2), pH 8.5, and time (86.9 min). This indicates that EC could remove pollutants from different types of wastewaters under many operating parameters and with arrangements of electrodes.
Rocznik
Strony
260--276
Opis fizyczny
Bibliogr. 57 poz., rys., tab.
Twórcy
  • Chemical Engineering and Petroleum Industries Department, Al-Mustaqbal University College, 51001 Hilla, Babylon, Iraq
  • Chemical Engineering and Petroleum Industries Department, Al-Mustaqbal University College, 51001 Hilla, Babylon, Iraq
  • Chemical Engineering and Petroleum Industries Department, Al-Mustaqbal University College, 51001 Hilla, Babylon, Iraq
  • Chemical Engineering and Petroleum Industries Department, Al-Mustaqbal University College, 51001 Hilla, Babylon, Iraq
  • Chemical Engineering and Petroleum Industries Department, Al-Mustaqbal University College, 51001 Hilla, Babylon, Iraq
Bibliografia
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  • 6. Alkurdi, S.S., Abbar, A.H. 2020. Removal of COD from Petroleum Refinery Wastewater by Electro- Coagulation Process Using SS/Al Electrodes. In IOP Conference Series: Materials Science and Engineering, IOP Publishing, 870, 12052.
  • 7. Anderson, M.J., Whitcomb, P.J. 2016. RSM Simplified: Optimizing Processes Using Response Surface Methods for Design of Experiments. Productivity press.
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  • 9. Bajpai, M., Katoch, S.S. 2020a. Techno-Economical Optimization Using Box-Behnken (BB) Design for COD and Chloride Reduction from Hospital Wastewater by Electro-Coagulation. Water Environ Res Wer, 1387.
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  • 25. El-Khateeb, M., Nashy, E.S.H., Ghany, N.A., Awad, A.M. 2017. Environmental Impact Elimination of Chrome Tanning Effluent Using Electrocoagulation Process Assisted by Chemical Oxidation. Desalination and Water Treatment, 65, 147–152.
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  • 27. Fahim, A.S., Abbar, A.H. 2020. Treatment of Petroleum Refinery Wastewater by Electro-Fenton Process Using Porous Graphite Electrodes. Egyptian Journal of Chemistry, 63(12), 4805–4819.
  • 28. Fathy, M.T.H., Hafez, A.I., Abou-Elmagd, W., Abdel-Samad, H.S. 2020. A Comparative Study of Electro and Chemical Coagulation for Efficient Removal of Lignin and Some Other Pollutants from Industrial Wastewater. Egyptian Journal of Chemistry, 63(10), 4083–4093.
  • 29. Ghafari, S., Aziz H.A., Isa, M.H., Zinatizadeh, A.A. 2009. Application of Response Surface Methodology (RSM) to Optimize Coagulation–Flocculation Treatment of Leachate Using Poly-Aluminum Chloride (PAC) and Alum. Journal of Hazardous Materials, 163(2–3), 650–656.
  • 30. Ghanbari, F., Yaghoot-Nezhad, A., Wacławek, S., Lin K.Y.A., Rodríguez-Chueca J., Mehdipour, F. 2021. Comparative Investigation of Acetaminophen Degradation in Aqueous Solution by UV/Chlorine and UV/H2O2 Processes: Kinetics and Toxicity Assessment, Process Feasibility and Products Identification. Chemosphere, 285, 131455.
  • 31. Gökkuş, Ö., Yıldız, Y.S. 2015. Application of Electrocoagulation for Treatment of Medical Waste Sterilization Plant Wastewater and Optimization of the Experimental Conditions. Clean Technologies and Environmental Policy, 17(6), 1717–1725.
  • 32. Hill, W.J., Hunter, W.G. 1966. A Review of Response Surface Methodology: A Literature Survey. Technometrics, 8(4), 571–590.
  • 33. Jack, F., Bostock, J., Tito, D., Harrison, B., Brosnan, J. 2014. Electrocoagulation for the Removal of Copper from Distillery Waste Streams. Journal of the Institute of Brewing, 120(1), 60–64.
  • 34. Kermet-Said, H., Moulai-Mostefa, N. 2015. Optimization of Turbidity and COD Removal from Pharmaceutical Wastewater by Electrocoagulation. Isotherm Modeling and Cost Analysis. Polish Journal of Environmental Studies, 24(3).
  • 35. Khan, S.U., Islam, D.T., Farooqi, I.H., Ayub, S., Basheer, F. 2019. Hexavalent Chromium Removal in an Electrocoagulation Column Reactor: Process Optimization Using CCD, Adsorption Kinetics and PH Modulated Sludge Formation. Process Safety and Environmental Protection, 122, 118–130.
  • 36. Kumar, A., Singh, H., Kumar, V. 2018. Study the Parametric Effect of Abrasive Water Jet Machining on Surface Roughness of Inconel 718 Using RSM-BBD Techniques. Materials and Manufacturing Processes, 33(13), 1483–1490.
  • 37. Liu, F., Zhang, Z., Wang, Z., Li, X., Dai, X., Wang, L., Wang, X., Yuan, Z., Zhang, J., Chen, M. 2019. Experimental Study on Treatment of Tertiary Oil Recovery Wastewater by Electrocoagulation. Chemical Engineering and Processing-Process Intensification, 144, 107640.
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  • 40. Martínez, F., Molina, R., Rodríguez, I., Pariente, M.I., Segura, Y., Melero, J.A. 2018. Techno-Economical Assessment of Coupling Fenton/Biological Processes for the Treatment of a Pharmaceutical Wastewater. Journal of Environmental Chemical Engineering, 6(1), 485–494.
  • 41. Mohammed, B.B., Hsini, A., Abdellaoui, Y., Oualid, H.A., Laabd, M., Ouardi M.E., Ait Addi, A.A., Yamni, K., Tijani, N. 2020. Fe-ZSM-5 Zeolite for Efficient Removal of Basic Fuchsin Dye from Aqueous Solutions: Synthesis, Characterization and Adsorption Process Optimization Using BBD-RSM Modeling. Journal of Environmental Chemical Engineering, 8(5), 104419.
  • 42. Mosayebi, A. 2021. Methanol Steam Reforming over Co‐Cu‐Zn/Γ‐Al2O3 Catalyst: Kinetic and RSM‐BBD Modeling Approaches. International Journal of Energy Research, 45(2), 3288–3304.
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  • 52. Tak, B., Tak B.S., Kim Y.J., Park Y.J., Yoon, Y.H., Min, G.H. 2015. Optimization of Color and COD Removal from Livestock Wastewater by Electrocoagulation Process: Application of Box–Behnken Design (BBD). Journal of Industrial and Engineering Chemistry, 28, 307–315.
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Uwagi
Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-853ce64d-32a7-428b-a6a7-22dc05b358ab
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