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Statements

Subject Item
n2:RIV%2F67985874%3A_____%2F11%3A00360835%21RIV12-AV0-67985874
rdf:type
n3:Vysledek skos:Concept
dcterms:description
Paper describes the influence of the global velocity gradient G on the properties of aggregates formed during the coagulation/flocculation process. The methods of image and fractal analysis were used to determine aggregate size and structure, respectively. The influence of these aggregate properties on separation using depth filtration is also described. The suspension was formed in a flow mixing tank with global velocity gradients ranging from 28.4–307.2 s1 and ferric sulphate used as a coagulant. Predictably, it was shown that the aggregate size decreased with increasing global velocity gradient G. Furthermore it was demonstrated that, with increasing G, the aggregates became more compact and regular and the suspension became more homogeneous in size. The aggregates with the smallest diameter and highest fractal dimension displayed the best filterability, i.e. penetrated throughout the full depth of the filter bed and generated a minimum pressure drop. Paper describes the influence of the global velocity gradient G on the properties of aggregates formed during the coagulation/flocculation process. The methods of image and fractal analysis were used to determine aggregate size and structure, respectively. The influence of these aggregate properties on separation using depth filtration is also described. The suspension was formed in a flow mixing tank with global velocity gradients ranging from 28.4–307.2 s1 and ferric sulphate used as a coagulant. Predictably, it was shown that the aggregate size decreased with increasing global velocity gradient G. Furthermore it was demonstrated that, with increasing G, the aggregates became more compact and regular and the suspension became more homogeneous in size. The aggregates with the smallest diameter and highest fractal dimension displayed the best filterability, i.e. penetrated throughout the full depth of the filter bed and generated a minimum pressure drop.
dcterms:title
The effect of global velocity gradient on the character and filterability of aggregates formed during the coagulation/flocculation process The effect of global velocity gradient on the character and filterability of aggregates formed during the coagulation/flocculation process
skos:prefLabel
The effect of global velocity gradient on the character and filterability of aggregates formed during the coagulation/flocculation process The effect of global velocity gradient on the character and filterability of aggregates formed during the coagulation/flocculation process
skos:notation
RIV/67985874:_____/11:00360835!RIV12-AV0-67985874
n3:predkladatel
n12:ico%3A67985874
n4:aktivita
n6:P n6:Z
n4:aktivity
P(IAA200600902), Z(AV0Z20600510)
n4:cisloPeriodika
12
n4:dodaniDat
n18:2012
n4:domaciTvurceVysledku
n9:8178046 n9:9209395 n9:2195585 n9:2426218
n4:druhVysledku
n7:J
n4:duvernostUdaju
n11:S
n4:entitaPredkladatele
n17:predkladatel
n4:idSjednocenehoVysledku
196285
n4:idVysledku
RIV/67985874:_____/11:00360835
n4:jazykVysledku
n20:eng
n4:klicovaSlova
aggregate size distribution; flocculation; mixing; fractal dimension; filtration
n4:klicoveSlovo
n5:mixing n5:flocculation n5:filtration n5:fractal%20dimension n5:aggregate%20size%20distribution
n4:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n4:kontrolniKodProRIV
[A63BDEF5253A]
n4:nazevZdroje
Environmental Technology
n4:obor
n19:BK
n4:pocetDomacichTvurcuVysledku
4
n4:pocetTvurcuVysledku
4
n4:projekt
n10:IAA200600902
n4:rokUplatneniVysledku
n18:2011
n4:svazekPeriodika
32
n4:tvurceVysledku
Pivokonský, Martin Pivokonská, Lenka Hnaťuková, Petra Bubáková, Petra
n4:wos
000296187700005
n4:zamer
n15:AV0Z20600510
s:issn
0959-3330
s:numberOfPages
12
n16:doi
10.1080/09593330.2010.536786