Dextran blue colorant as a reliable tracer in submerged filters

Dextran blue colorant as a reliable tracer in submerged filters

A reliable method to evaluate residence time distribution in submerged filters is presented. This method is useful even when using a porous packing. The tracer employed is Dextran blue, which is better detected in the u.v.-zone (220 nm). The advantage of this colorant is that it avoids the tailing p...

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Veröffentlicht in:Water research (Oxford) 1988, Vol.22 (10), p.1253-1257
Hauptverfasser: Jimenez, Blanca, Noyola, Adalberto, Capdeville, Bernard, Roustan, Michel, Faup, Gerard
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Chemical engineering
diffusion
Exact sciences and technology
Filtration
Liquid-liquid and fluid-solid mechanical separations
porous packing
submerged filters
tailing phenomenon
tracer studies
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Zusammenfassung:A reliable method to evaluate residence time distribution in submerged filters is presented. This method is useful even when using a porous packing. The tracer employed is Dextran blue, which is better detected in the u.v.-zone (220 nm). The advantage of this colorant is that it avoids the tailing phenomenon, allowing accurate mean retention time evaluation. The tailing phenomenon is explained using the diffusion theory.
ISSN:0043-1354
1879-2448
DOI:10.1016/0043-1354(88)90112-1