Eur. Phys. J. Appl. Phys.
Volume 75, Number 2, August 2016
6th Central European Symposium on Plasma Chemistry (CESPC-6)
|Number of page(s)||5|
|Section||Plasma, Discharges and Processes|
|Published online||08 August 2016|
Alkaloid decomposition by DC pin-hole discharge in water solution*
Faculty of Chemistry, Brno University of Technology, Purkynova 118, 612 00 Brno, Czech Republic
a e-mail: firstname.lastname@example.org
Revised: 25 February 2016
Accepted: 11 March 2016
Published online: 8 August 2016
DC diaphragm discharge generated in a batch reactor was used to decompose two selected model alkaloids, caffeine and quinine in concentrations ranging from 10 to 50 ppm or 5 to 15 ppm, respectively. UV-vis spectrometry was utilized in evaluation of H2O2 production during the process as well as degradation of caffeine. Fluorescence spectrometry was used for quantification of quinine. High rates of decomposition were reached in both cases in the anode part of the reactor. On the other hand, up to four times lower decomposition was observed in the cathode part. Total removal efficiency gained up to 300 mg/kWh for caffeine and 210 mg/kWh for quinine.
© EDP Sciences, 2016
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