Untersuchungen mit mehrkanaligen Mikrosonden zum Einfluß suspendierter Feststoffpartikeln auf die Hydrodynamik von Blasensäulen in Chemie und Biotechnologie

Wolff, C.; Briegleb, Frank Ulrich; Bader, Jörg; Hektor, Klaus; Hammer, Hans

doi:10.1002/cite.330620623

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2003

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“…Shape of A. Cartelier's single bre optical probe. Jakobsen, 1998;Wol, 1989;Wol, Briegleb, Bader, Hektor, & Hammer, 1990;Yao, Zheng, Gasche, & Hofmann, 1991). A number of such devices are to be found in the review of L ubbert (1991).…”

Section: Principlementioning

confidence: 99%

Measuring Techniques in Gas—Liquid and Gas—Liquid—Solid Reactors

Boyer¹,

Duquenne²,

Wild³

2003

ChemInform

119

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This article oers an overview of the instrumentation techniques developed for multiphase ow analysis either in gas/liquid or in gas/liquid/solid reactors. To characterise properly such reactors, experimental data have to be acquired at dierent space scale or time frequency. The existing multiphase ow metering techniques described give information concerning reactor hydrodynamics such as pressure, phases holdups, phases velocities, ow regime, size and shape of dispersed inclusions, axial diusion coecients. The measuring techniques are presented in two groups: the non-intrusive techniques that deliver global, cross-section-averaged or local data, and the intrusive probes that are dedicated to local measurements. Eventually some examples of multiphase instrumentation development are reported (trickle-bed and slurry bubble column at semi-industrial scale) in the renery or petrochemical area.

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Section: Principlementioning

confidence: 99%