About: The effect of global velocity gradient on the character and filterability of aggregates formed during the coagulation/flocculation process

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About: The effect of global velocity gradient on the character and filterability of aggregates formed during the coagulation/flocculation process Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
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 (en)
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 (en)
skos:notation	RIV/67985874:_____/11:00360835!RIV12-AV0-67985874
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA200600902), Z(AV0Z20600510)
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Bubáková, Petra Pivokonská, Lenka Hnaťuková, Petra Pivokonský, Martin
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	Ústav pro hydrodynamiku AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	196285
http://linked.open...ai/riv/idVysledku	RIV/67985874:_____/11:00360835
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	aggregate size distribution; flocculation; mixing; fractal dimension; filtration (en)
http://linked.open.../riv/klicoveSlovo	mixing filtration flocculation aggregate size distribution fractal dimension
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[A63BDEF5253A]
http://linked.open...i/riv/nazevZdroje	Environmental Technology
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Removal of organic matter produced by fytoplankton (AOM) and their influence on destabilisation and aggregation processes during water purification
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	32
http://linked.open...iv/tvurceVysledku	Bubáková, Petra Hnaťuková, Petra Pivokonská, Lenka Pivokonský, Martin
http://linked.open...ain/vavai/riv/wos	000296187700005
http://linked.open...n/vavai/riv/zamer	Dynamics of Fluid Systems and Transformation Processes in Hydrosphere
issn	0959-3330
number of pages	12 (xsd:int)
http://bibframe.org/vocab/doi	10.1080/09593330.2010.536786

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