Frantisek Krcma krcma@fch.vutbr.cz Purkynova 118, 612 00 Brno, Czech Republic fch.vutbr.cz

1. Brno University of Technology Faculty of Chemistry Group of Plasma Processes Frantisek Krcma krcma@fch.vutbr.cz Purkynova 118, 612 00 Brno, Czech Republic www.fch.vutbr.cz • Studied topics • Breakdown of electrical discharge in liquids in pin-hole (diaphragm/capillary) configuration using DC (pulsing/non-pulsing), AC, and HF power sources – WG1 • Electrical measurements of these discharges – WG1 • Optical emission spectroscopy of these discharges – WG1 • Fast imaging of plasmas – WG1 • Generation of active particles – OH, H2O2, H, O, …. – WG1 • Study of capillary discharge pumping effect – WG1 • Chemical analyzes of solutions – WG1, WG4 • Destruction of organic dyes by discharges in liquids – WG4 • Surface treatment of archaeological objects by discharges in liquids – WG4 • Surface treatment of nanoparticles by discharges in liquids – WG4 • Discharges in organic liquids – WG4 ̶ + Discoloration of Direct Red 79 dye During 80 minutes of discharge (chamber with anode) HPLC chromatogram of Direct Red 79 dye treated by plasma (chamber with anode) Assymetry of diaphragm discharge

2. Main experimental/computational facilities • Various batch discharge reactors for pin-hole (diaphragm/capillary) discharge generation • DC non-pulsing power sources • DC pulse power supply (40 kV) • AC power supply • HF power supplies (50 Hz - 100 kHz and 15 – 100 kHz) • RF supplies • UV-VIS absorption spectrometer • High resolution optical emission spectrometers • High speed camera (up to 1 000 000 frames per second) • TOF mass spectrometer with reactive ionization • In compartment – GC-MS, HPLC, ICP, material analyzes • Main research collaborations and industrial partners • Gent University, Belgium, http://www.ugent.be/ea/appliedphysics/en/research • Comenius University, Bratislava, Slovakia, www.fmph.uniba.sk • Queens University, Belfast, North Ireland, http://www.qub.ac.uk/schools/SchoolofMathematicsandPhysics/Research/PlasmaPhysics • INP Greifswald, Germany, http://www.inp-greifswald.de • Belgrade University, Belgrade, Serbia, http://www.center.bg.ac.rs/plasmalab.htm?jez=cir • Main publications • Pin-Hole Discharge Creation in Na2SO4 Water Solutions; Hlavata, L.; Serbanescu, R.; Hlochova, L.; Kozakova, Z.; Krcma, F.; Acta Polytechnica 53 (2) 170-173, JUN 2013 • Chemical Efficiency of H2O2 Production and Decomposition of Organic Compounds Under Action of DC Underwater Discharge in Gas Bubbles; Nemcova, L.; Nikiforov, A.; Leys, C.; Krcma, F.; IEEE TRANSACTIONS ON PLASMA SCIENCE 39 (3) 865-870, MAR 2011 • Removal of Organic Dye Direct Red 79 from Water Solutions by DC Diaphragm Discharge: Analysis of Decomposition Products; Kozakova, Z.; Nejezchleb, M.; Krcma, F.; Halamova, I.; Caslavsky, J.; Dolinova, J.; DESALINATION 258 (1-3) 93-99, AUG 2010 • Diaphragm Discharge in Liquids: Fundamentals and Applications; Krcma, F.; Stara, Z.; Prochazkova, J.; Journal of Physics Conference Series 207, Art. No.: 012010, 2010 • Organic Dye Decomposition by DC Diaphragm Discharge in Water: Effect of Solution Properties on Dye Removal; Stara, Z.; Krcma, F.; Nejezchleb, M.; Skalny, J.D.; DESALINATION 239 (1-3) 283-294, APR 2009