4.7 Article

Applicability of the electrocoagulation process in treating real municipal wastewater containing pharmaceutical active compounds

Journal

JOURNAL OF HAZARDOUS MATERIALS
Volume 361, Issue -, Pages 367-373

Publisher

ELSEVIER
DOI: 10.1016/j.jhazmat.2018.07.093

Keywords

Amoxicillin; Carbamazepine; Diclofenac; Electrochemical processes; Emerging contaminants

Funding

  1. University of Salerno [ORSA167105, ORSA154525]
  2. Italian Ministry of Foreign Affairs and International Cooperation and [IN17GR09/INT/Italy/P-17/2016, EG16MO01]
  3. Sanitary and Environmental Engineering Division (SEED) of the Civil Engineering Department at University of Salerno
  4. Department of Science and Technology, Ministry of Science and Technology, Government of India
  5. University of the Philippines Diliman
  6. Engineering Research and Development for Technology (ERDT) through the Department of Science and Technology, Philippines
  7. Sandwich Program

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In this study, the viability of using electrocoagulation process as a method for pharmaceuticals removal from real municipal wastewater was demonstrated. Batch experimental runs were performed using a simple laboratory scale electrochemical reactor with aluminium and stainless steel as anode and cathode, respectively. Diclofenac (DCF), carbamazepine (CBZ) and amoxicillin (AMX) were selected as representative of pharmaceuticals frequently detected in the aquatic environment. The effects of varying experimental parameters namely current density (0.3, 0.5 1.15 and 1.8 mA cm(-2)), initial pharmaceutical concentration (0.01, 4 and 10 mg L-1), electrolysis duration (3, 6 and 19 h) and application mode (continuous vs. intermittent) on pharmaceutical removal efficiencies were evaluated. High pharmaceutical abatement was recorded at elevated current density and prolonged electrolysis duration due to additional electro-generated coagulant species in solution.

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