About: Determination of the limiting current density on laboratory

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About: Determination of the limiting current density on laboratory - scale eectrodialysis module Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In electrodialysis the rate of transport depends on the electric current flowing between the electrodes. At certain current level (so-called the limiting current) the transport rate of ions from the laminar boundary layer at membrane surface through the membrane becomes higher than the transport rate through the laminar boundary layer. The concentration of ions at membrane surface reaches zero and the water splitting takes place in order to generate ions. This causes the pH changes and the decrease of current efficiency. The limiting current density depends on the electrolyte type and concentration and hydrodynamic conditions in the membrane stack. Goals of this work were to determine the limiting current density at laboratory-scale electrodialysis module at different diluate linear flow velocities and inlet ammonium nitrate concentrations, to compare the exactness and suitability of experimental data evaluation methods and to determine the dependence between the limiting current density, diluate linear flow velocity and inlet electrolyte concentration. In electrodialysis the rate of transport depends on the electric current flowing between the electrodes. At certain current level (so-called the limiting current) the transport rate of ions from the laminar boundary layer at membrane surface through the membrane becomes higher than the transport rate through the laminar boundary layer. The concentration of ions at membrane surface reaches zero and the water splitting takes place in order to generate ions. This causes the pH changes and the decrease of current efficiency. The limiting current density depends on the electrolyte type and concentration and hydrodynamic conditions in the membrane stack. Goals of this work were to determine the limiting current density at laboratory-scale electrodialysis module at different diluate linear flow velocities and inlet ammonium nitrate concentrations, to compare the exactness and suitability of experimental data evaluation methods and to determine the dependence between the limiting current density, diluate linear flow velocity and inlet electrolyte concentration. (en)
Title	Determination of the limiting current density on laboratory - scale eectrodialysis module Determination of the limiting current density on laboratory - scale eectrodialysis module (en)
skos:prefLabel	Determination of the limiting current density on laboratory - scale eectrodialysis module Determination of the limiting current density on laboratory - scale eectrodialysis module (en)
skos:notation	RIV/28676092:_____/13:#0000208!RIV14-MSM-28676092
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED2.1.00/03.0084)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Tvrzník, David Machuča, Lubomír Káňavová, Natália
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	C - Předmět podléhá obchodnímu tajemství (§17 až 20 Obchodního zákoníku), ale některé údaje jsou upraveny tak, aby byly zveřejnitelné
http://linked.open...titaPredkladatele	MemBrain s.r.o.
http://linked.open...dnocenehoVysledku	68953
http://linked.open...ai/riv/idVysledku	RIV/28676092:_____/13:#0000208
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	limiting current; electrodialysis (en)
http://linked.open.../riv/klicoveSlovo	limiting current electrodialysis
http://linked.open...ontrolniKodProRIV	[972861DAE371]
http://linked.open...v/mistoKonaniAkce	Vladimír, Ruská federace
http://linked.open...i/riv/mistoVydani	Vladimír, Ruská federace
http://linked.open...i/riv/nazevZdroje	Sborník konference Membrány 2013
http://linked.open...in/vavai/riv/obor	JP
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Membránové inovační centrum
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Machuča, Lubomír Tvrzník, David Káňavová, Natália
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2013-10-01 (xsd:date)
number of pages	2 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Ruská akademie věd
https://schema.org/isbn	978-5-9903891-3-7

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