Submerged arc breakdown of Sulfadimethoxine (SDM) in aqueous solutions

Naum Parkansky, Boris A. Alterkop, Raymond L. Boxman, Hadas Mamane, Dror Avisar

Research output: Contribution to journalArticlepeer-review

Abstract

Low voltage, low energy submerged pulsed arcs were used to break-down Sulfadimethoxine (SDM) contamination in aqueous solutions. The SDM concentration decreased exponentially with rate constants of 0.13-1.9 min -1 during processing by pulsed arcs with a pulse repetition rate of 100 Hz, energies of 2.6-192 mJ and durations of 20, 50 and 100 μs. The electrical energy consumption was minimized with short duration pulses - 1.5 kW-hr/m 3 with 7.5 mJ, 20 μs pulses for 90% SDM removal.

Original languageEnglish
Pages (from-to)583-592
Number of pages10
JournalPlasma Chemistry and Plasma Processing
Volume28
Issue number5
DOIs
StatePublished - Oct 2008

Keywords

  • Antibiotic
  • Electro-hydraulic discharge
  • Plasma
  • Submerged pulsed arc
  • Water treatment

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