About: Study of mass transfer in a vertically moving particle bed electrode

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A study was made of the influence of process parameters on the mass-transfer coefficient in a flow-through cell with a cascade of rotating drums partially filled with conductive particles ( called the 'vertically moving particle bed'). Copper deposition from an acidic sodium sulphate solution was used as the model reaction. To evaluate the experimental data a macrohomogeneous mathematical model of potential and current density distribution inside the cell was developed. The electrolyte flow distributionbetween the empty space above the particle bed and through the bed was evaluated. On the basis of these results the following correlation is proposed: Sh = 1.09/epsilon Re-p(1/3) Sc-1/3 + 52.8 Re-r/ 2498 + Re-r {1 - exp [-125(1.04 x 10(-6)Re(r) + Re-p) ]}. where the first term corresponds to the packed bed electrode and the second term represents the contribution of bed rotation. It is valid for bed porosity of 45%, cathode drum rotation rates between 0.047 and 0.120 Hz (i.e., 2.8 to 7.2 rpm) and a Re- A study was made of the influence of process parameters on the mass-transfer coefficient in a flow-through cell with a cascade of rotating drums partially filled with conductive particles ( called the 'vertically moving particle bed'). Copper deposition from an acidic sodium sulphate solution was used as the model reaction. To evaluate the experimental data a macrohomogeneous mathematical model of potential and current density distribution inside the cell was developed. The electrolyte flow distributionbetween the empty space above the particle bed and through the bed was evaluated. On the basis of these results the following correlation is proposed: Sh = 1.09/epsilon Re-p(1/3) Sc-1/3 + 52.8 Re-r/ 2498 + Re-r {1 - exp [-125(1.04 x 10(-6)Re(r) + Re-p) ]}. where the first term corresponds to the packed bed electrode and the second term represents the contribution of bed rotation. It is valid for bed porosity of 45%, cathode drum rotation rates between 0.047 and 0.120 Hz (i.e., 2.8 to 7.2 rpm) and a Re- (en)
Title	Study of mass transfer in a vertically moving particle bed electrode Study of mass transfer in a vertically moving particle bed electrode (en)
skos:prefLabel	Study of mass transfer in a vertically moving particle bed electrode Study of mass transfer in a vertically moving particle bed electrode (en)
skos:notation	RIV/60461373:22340/03:00007898!RIV/2004/GA0/223404/N
http://linked.open.../vavai/riv/strany	205-213
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA104/99/0433)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Chmelíková, Růžena Bouzek, Karel
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	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	629567
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/03:00007898
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	electrochemical reactor, mass transfer, metal removal, rotating drum, three-dimensional electrode (en)
http://linked.open.../riv/klicoveSlovo	metal removal mass transfer rotating drum three-dimensional electrode electrochemical reactor
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[BC81C217D772]
http://linked.open...i/riv/nazevZdroje	Journal of Applied Electrochemistry
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Electrochemical reduction of nitrate ions in wasted solutions used for regeneration of ion exchange columns utilized in water treatment
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	33
http://linked.open...iv/tvurceVysledku	Bouzek, Karel Paidar, Martin Bergmann, Henry Chmelíková, Růžena
issn	0021-891X
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	22340

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