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
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container_issue 10
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container_title Water research (Oxford)
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creator Jimenez, Blanca
Noyola, Adalberto
Capdeville, Bernard
Roustan, Michel
Faup, Gerard
description 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.
doi_str_mv 10.1016/0043-1354(88)90112-1
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source ScienceDirect Journals (5 years ago - present)
subjects 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
title Dextran blue colorant as a reliable tracer in submerged filters
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