Treatment of tannery effluent using a rotating disc electrochemical reactor

R. Palani, A. Abdulgani, N. Balasubramanian*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

A novel rotating disc electrochemical (RDE) reactor has been developed to treat tannery effluent. Experiments were carried out in batch, batch recirculation, and once-Through modes in the reactor covering wide range of operating conditions. The effect of current density (i), cathode rotation speed (R), electrolysis time (t), influent pH, and electrolyte flow rate (Q) on the pollutant removal efficiency and specific energy consumption was critically evaluated. The response of the process parameters were measured in terms of percentage total organic carbon (TOC) removal. The reaction mechanism of electro-oxidation was modeled using first-order kinetics. GCMS and FT-IR analysis of the raw and treated effluent show that the tannery effluent can be effectively treated using the RDE reactor. Water Environ. Res., 89, 77 (2017).

Original languageEnglish
Pages (from-to)77-85
Number of pages9
JournalWater Environment Research
Volume89
Issue number1
DOIs
StatePublished - 1 Jan 2017
Externally publishedYes

Keywords

  • Electro-oxidation
  • Rotating disc electrode
  • Specific energy consumption
  • Tannery effluent
  • Total organic carbon

ASJC Scopus subject areas

  • Environmental Chemistry
  • Ecological Modeling
  • Water Science and Technology
  • Waste Management and Disposal
  • Pollution

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