About: Chemical Efficiency of H2O2 Production and Decomposition of Organic Compounds under Action of DC Underwater Discharge in Gas Bubbles

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Description	The underwater discharge generated by DC voltage in gas bubbles was studied. This contribution presents investigation of chemical efficiency of electric discharge in NaH2PO4.2H2O solution in range of the applied voltages 1.7-2.7 kV and discharge currents of 10-30 mA. Plasma is generated in Air, Ar, He and N2 gases. It is shown that maximal concentration of hydrogen peroxide produced in different gases does not depend on gas composition. Highest energy consumption of H2O2 generation is achieved in Air discharge and it decreases up to 50% in He plasma. Destruction of Direct Blue 106 with initial concentration of 20 mg/l as model organic pollutant by underwater discharge is carried out in second part of the paper. Decomposition of the dye is linearly dependent on the discharge current. Maximal efficiency of the dye destruction of 65% is observed in N2 discharge after 20 minutes of treatment at the current of 30 mA. Different mechanisms of dye destruction by plasma are proposed and analysed. The underwater discharge generated by DC voltage in gas bubbles was studied. This contribution presents investigation of chemical efficiency of electric discharge in NaH2PO4.2H2O solution in range of the applied voltages 1.7-2.7 kV and discharge currents of 10-30 mA. Plasma is generated in Air, Ar, He and N2 gases. It is shown that maximal concentration of hydrogen peroxide produced in different gases does not depend on gas composition. Highest energy consumption of H2O2 generation is achieved in Air discharge and it decreases up to 50% in He plasma. Destruction of Direct Blue 106 with initial concentration of 20 mg/l as model organic pollutant by underwater discharge is carried out in second part of the paper. Decomposition of the dye is linearly dependent on the discharge current. Maximal efficiency of the dye destruction of 65% is observed in N2 discharge after 20 minutes of treatment at the current of 30 mA. Different mechanisms of dye destruction by plasma are proposed and analysed. (en)
Title	Chemical Efficiency of H2O2 Production and Decomposition of Organic Compounds under Action of DC Underwater Discharge in Gas Bubbles Chemical Efficiency of H2O2 Production and Decomposition of Organic Compounds under Action of DC Underwater Discharge in Gas Bubbles (en)
skos:prefLabel	Chemical Efficiency of H2O2 Production and Decomposition of Organic Compounds under Action of DC Underwater Discharge in Gas Bubbles Chemical Efficiency of H2O2 Production and Decomposition of Organic Compounds under Action of DC Underwater Discharge in Gas Bubbles (en)
skos:notation	RIV/00216305:26310/11:PU88217!RIV11-MSM-26310___
http://linked.open...avai/predkladatel	Fakulta chemická
http://linked.open...avai/riv/aktivita	S Z
http://linked.open...avai/riv/aktivity	S, Z(MSM0021630501)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Krčma, František Němcová, Lucie
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta chemická
http://linked.open...dnocenehoVysledku	190120
http://linked.open...ai/riv/idVysledku	RIV/00216305:26310/11:PU88217
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	underwater discharge in bubbles, DC discharge, H2O2 generation, organic dyes degradation (en)
http://linked.open.../riv/klicoveSlovo	DC discharge H2O2 generation organic dyes degradation underwater discharge in bubbles
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[D277DEE9B6A3]
http://linked.open...i/riv/nazevZdroje	IEEE Transactions on Plasma Science
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	39
http://linked.open...iv/tvurceVysledku	Krčma, František Leys, Christophe Nikiforov, Anton Němcová, Lucie
http://linked.open...n/vavai/riv/zamer	Multifunkční heterogenní materiály na bázi syntetických polymerů a biopolymerů
issn	0093-3813
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	26310
is http://linked.open...avai/riv/vysledek of	Chemical Efficiency of H2O2 Production and Decomposition of Organic Compounds under Action of DC Underwater Discharge in Gas Bubbles Chemical Efficiency of H2O2 Production and Decomposition of Organic Compounds under Action of DC Underwater Discharge in Gas Bubbles

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