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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F04%3A00001593%21RIV08-MSM-25310___
rdf:type
n5:Vysledek skos:Concept
dcterms:description
The influence of particle size and zeta-potential of the feed particles (TiO2) and a membrane surface (alfa-Al2O3) with changes of pH on permeate flux during microfiltration using a tubular ceramic membrane have been studied. The properties of alumina tubular membranes and the aqueous titania dispersions were measured and related to the filtration characteristics. The experimental system is also described. It was found that permeate flux was dependent on the surface charge of the suspended particles and to some extent dependent on the surface charge of the membrane. This phenomenon was especially pronounced during microfiltration of dispersion around its isoelectric point, when permeate flux increased significantly. Byl studován vliv velikosti částic a zeta-potenciálu částic disperze (TiO2) i povrchu membrány (alfa-Al2O3) na intenzitu toku permeátu při změnách pH. Pro mikrofiltraci byly použity trubkové keramické membrány. Bylo zjištěno, že hodnota intenzity toku permeátu je závislá na povrchovém náboji suspendovaných částic a částečně i na povrchovém náboji membrány. Tento jev je nejvíce patrný při mikrofiltraci disperze v okolí izoelektrického bodu, kdy hodnota intenzity toku permeátu výrazně vzroste. The influence of particle size and zeta-potential of the feed particles (TiO2) and a membrane surface (alfa-Al2O3) with changes of pH on permeate flux during microfiltration using a tubular ceramic membrane have been studied. The properties of alumina tubular membranes and the aqueous titania dispersions were measured and related to the filtration characteristics. The experimental system is also described. It was found that permeate flux was dependent on the surface charge of the suspended particles and to some extent dependent on the surface charge of the membrane. This phenomenon was especially pronounced during microfiltration of dispersion around its isoelectric point, when permeate flux increased significantly.
dcterms:title
Charge Effects of Dispersed Systems and Membrane Surface on Cross-Flow Microfiltration Charge Effects of Dispersed Systems and Membrane Surface on Cross-Flow Microfiltration Vliv náboje disperzní soustavy a povrchu membrány na cross-flow mikrofiltraci
skos:prefLabel
Charge Effects of Dispersed Systems and Membrane Surface on Cross-Flow Microfiltration Charge Effects of Dispersed Systems and Membrane Surface on Cross-Flow Microfiltration Vliv náboje disperzní soustavy a povrchu membrány na cross-flow mikrofiltraci
skos:notation
RIV/00216275:25310/04:00001593!RIV08-MSM-25310___
n3:strany
204-209
n3:aktivita
n12:Z
n3:aktivity
Z(MSM 253100001)
n3:cisloPeriodika
4
n3:dodaniDat
n18:2008
n3:domaciTvurceVysledku
n10:4315081 n10:5397685
n3:druhVysledku
n13:J
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n6:predkladatel
n3:idSjednocenehoVysledku
557490
n3:idVysledku
RIV/00216275:25310/04:00001593
n3:jazykVysledku
n14:eng
n3:klicovaSlova
microfiltration; charge effects
n3:klicoveSlovo
n8:microfiltration n8:charge%20effects
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[06C82C2C0D0A]
n3:nazevZdroje
Filtration
n3:obor
n9:CI
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n18:2004
n3:svazekPeriodika
N
n3:tvurceVysledku
Velikovská, Pavlína Šmídová, Dagmar Wakeman, Richards J. Mikulášek, Petr
n3:zamer
n11:MSM%20253100001
s:issn
1479-0602
s:numberOfPages
6
n16:organizacniJednotka
25310