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2015 | 13 | 1 |
Tytuł artykułu

Generation of High Frequency Pin-hole Discharge in Water Solutions

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
This paper presents results on electric discharge generation by high frequency high voltage (15–100 kHz) in NaCl solutions with different initial conductivity (100–1300 mS cm-1), and compares them with DC discharge in the same electrode configuration. A batch plasma reactor in the pin-hole configuration contained a ceramic dielectric barrier separating two planar stainless steel electrodes; barrier thickness of 0.6 mm and pin-hole diameter of 0.6 mm was used. Lissajous charts were evaluated from electric measurements for different discharge phases (electrolysis, bubble formation and discharge regular operation). Breakdown moments for different solution conductivities were determined from discharge power evaluation as a function of applied frequency. Breakdown voltage amplitude was decreased by the increasing conductivity in both regimes while frequency and current decreased. Changes of physical parameters (temperature, solution conductivity and pH) as well as production of hydrogen peroxide at different solution conductivities were compared. Solution conductivity was increased in both discharge regimes and with the initial conductivity value. Solution temperature was increased by the discharge in both regimes and with the increasing initial conductivity, too. Solution pH dropped to acidic conditions when HF or DC positive regime was applied while it was enhanced by DC negative regime.
Wydawca
Czasopismo
Rocznik
Tom
13
Numer
1
Opis fizyczny
Daty
otrzymano
2013-11-28
zaakceptowano
2014-11-17
online
2014-12-30
Twórcy
  • Faculty of Chemistry, Brno
    University of Technology, Purkyňova 464/118, 612 00 Brno,
    Czech Republic
  • Faculty of Chemistry, Brno
    University of Technology, Purkyňova 464/118, 612 00 Brno,
    Czech Republic
  • Faculty of Chemistry, Brno
    University of Technology, Purkyňova 464/118, 612 00 Brno,
    Czech Republic
Bibliografia
  • [1] Kozáková Z., Nejezchleb M., Krčma F., Halamová I., Čáslavský J.,Dolinová J., Removal of Organic Dye Direct Red 79 fromWater Solutions by DC Diaphragm Discharge: Analysis ofDecomposition Products, Desalination, 2010, 258, 93-99.[WoS]
  • [2] Sugiarto A.T., Ito S., Ohshima T., Sato M., Skalný J.D.,Oxidative decoloration of dyes by pulsed discharge in water,J. Electrostatics, 2003, 58, 135-145.
  • [3] Marsili L., Espie S., Anderson J.G., MacGregor S.J., Plasmainactivation of food-related microorganisms in liquids, Radiat.Phys. Chem., 2002, 65, 507-513.
  • [4] Klíma M., Slavíček P., Šíra M., Čižmár T., Vaněk P., HF plasmapencil and DC diaphragm discharge in liquids – diagnostics andapplications, Czech. J. Phys., 2006, 56, B1051-B1056.
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  • [7] Hong Y.Ch., Kang W.S., Hong Y.B., Yi W.J., Uhm H.S., Plasmaformation using a capillary discharge in water and its applicationto the sterilization of E. coli, Phys. Plasmas, 2010, 17, 053502-1-053502-5.[WoS]
  • [8] Ceccato P., Rousseau A., In: Proceedings of 28th InternationalConference on Phenomena in Ionized Gases, (15-20 July 2007,Praha, Czech Republic), 2007, 1172-1174.
  • [9] Locke B.R., Lukes P., Brisset J-L., In: V.I. Parvulescu, M. Magureanu,P. Lukes (Eds.), Plasma Chemistry and Catalysis in Gases andLiquids (Wiley-VCH, 2012), DOI: 10.1002/9783527649525.ch6[Crossref]
  • [10] Stará Z., Krčma F., Degradation of Organic Dyes Versus H2O2Generation During the DC Diaphragm Discharge Treatment inWater Solutions, Acta Physica Slovaca, 2005, 55, 515-519.
  • [11] Stará Z., Krčma F., Procházková J., Physical Aspects ofDiaphragm Discharge Creation Using Constant DC High Voltagein Electrolyte Solution, Acta Technica CSAV, 2008, 53, 277-286.
  • [12] Joshi A.A., Locke B.R., Arce P., Finney W.C., Formation of hydroxylradicals, hydrogen peroxide and aqueous electrons by pulsedstreamer corona discharge in aqueous solution, J. Hazard.Mater., 1995, 41, 3-30.
  • [13] Šunka P., Babický V., Člupek M., Fuciman M., Lukeš P., ŠimekM., et al., Potential applications of pulse electrical discharges inwater, Acta Physica Slovaca, 2004, 54, 135-145.
  • [14] Wagner H.E., Brandenburg R., Kozlov K.V., Sonnenfeld A.,Michel P., Behnke J.F., The barrier discharge: basic propertiesand applications to surface treatment, Vacuum, 2003, 71, 417-436.
  • [15] Eisenberg G.M., Colorimetric determination of hydrogenperoxide, Ind. Eng. Chem., Anal. Ed., 1943, 15, 327-328.[Crossref]
  • [16] Teslenko V.S., Drozhzhin A.P., Kartashov A.M., Autooscillationsgenerated during a diaphragm discharge in an electrolyte, Tech.Phys. Lett., 2001, 27, 883-885.
  • [17] Teslenko V.S., Drozhzhin A.P., Sankin G.N., Autocyclic CircularBreakdowns with Induced Bubble Collapse in Electrolyte, Tech.Phys. Lett., 2006, 32, 149-152.
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  • [19] Kozáková Z., Hlavatá L., Krčma F., In: V. Aubrecht, M. Bartlova(Eds.), Proceedings of 18th Symposium on Physics of SwitchingArc (7-11 September 2009, Brno, Czech Republic), 2009,226-229
  • [20] Kozáková Z., Hlavatá L., Krčma F., In: C. Leys, R. Morent (Eds.),Proceedings of 4th International Workshop on Cold AtmosphericPressure Plasmas: Sources and Applications (22-24 June 2009,Ghent, Belgium), 2009, 58-61.
  • [21] Stará Z., Krčma F., Nejezchleb M., Skalný J.D., Organic DyeDecomposition by DC Diaphragm Discharge in Water: Effect ofSolution Properties on Dye Removal, Desalination, 2009, 239,283-294.[WoS]
  • [22] Krčma F., Stará Z., Procházková J., Diaphragm Dischargein Liquids: Fundamentals and Applications, J. Phys. – Conf. Ser.,2010, 207, 012010.
  • [23] Stará Z., Krčma F., The Study of H2O2 Generation by DCDiaphragm Discharge in Liquids, Czech. J. Phys., 2004, 54,C1050-C1055.
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_1515_chem-2015-0080
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