Submerged Arc Breakdown of Sulfadimethoxine (SDM) in Aqueous Solutions |
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| Authors: | Naum Parkansky Boris A Alterkop Raymond L Boxman Hadas Mamane Dror Avisar |
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| Institution: | (1) Department of Electrical Engineering, Electrical Discharge and Plasma Laboratory, Tel Aviv University, Tel Aviv, 69978, Israel;(2) School of Mechanical Engineering, Faculty of Engineering, Tel Aviv University, Tel Aviv, 69978, Israel;(3) Geography and Environmental Department, Hydrochemistry Laboratory, Tel Aviv University, Tel Aviv, 69978, Israel |
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| 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/m3 with 7.5 mJ, 20 μs pulses for 90% SDM removal. |
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