Electrochemical treatment of real wastewater. Part 1: Effluents with low conductivity

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The treatment of a real wastewater characterized by low conductivity was performed by anodic oxidation at boron doped diamond (BDD) in both conventional and microfluidic cells. The electrolyses carried out in conventional cells without supporting electrolyte were characterized by very high TOC removals but excessively high energetic consumptions and operating costs. The addition of sodium sulphate, as supporting electrolyte, allowed to strongly reduce the cell potentials and consequently the energetic consumptions and the operating costs. However, under various operating conditions, the addition of Na2SO4caused a lower removal of the TOC. The best results in terms of both TOC removal, energetic consumptions and operating costs (about 1 â¬/m3) were obtained using a cell with a very low inter-electrode distance (50 µm) with no addition of a supporting electrolyte.
Lingua originaleEnglish
pagine (da-a)133-140
Numero di pagine8
RivistaChemical Engineering Journal
Stato di pubblicazionePublished - 2018

All Science Journal Classification (ASJC) codes

  • ???subjectarea.asjc.1600.1600???
  • ???subjectarea.asjc.2300.2304???
  • ???subjectarea.asjc.1500.1500???
  • ???subjectarea.asjc.2200.2209???


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