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Axial dispersion and hold-up in a bench-scale trickle-bed reactor at operating conditions
This item is provided by the institution :
National Technical University of Athens
Repository :
Digital Library of National Technical University of Athens | Dspace@NTUA
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ΕΚΤ item type
Journal part
(EN)
Scientific article
(EN)
EKT year
1994
(EN)
EKT historical period
Title
Axial dispersion and hold-up in a bench-scale trickle-bed reactor at operating conditions (EN)
Creator
Papayannakos, N (EN)
Tsamatsoulis, D (EN)
Description
Response curves of a tracer step increase and decrease were derived and used to evaluate liquid flow non-idealities and hold-up in a bench-scale reactor by the axial dispersion model. Real feeds and operating conditions used in catalytic hydrotreatment were employed in experimentation. Diluted and non-diluted beds were prepared with non-porous extrudates of commercial catalyst dimensions and crushed particles. Three types of boundary conditions were tested to estimate axial dispersion coefficients and hold-up. The dependence of DZ and hL on the bed particle size and liquid velocity is examined. Bo was found to be a function of bed characteristics. © 1993. (EN)
Type
journalArticle (EN)
Subject
Liquids (EN)
Catalysts (EN)
Chemical engineering (EN)
Axial dispersion (EN)
Trickle bed reactors (EN)
Velocity (EN)
Flow (EN)
Trickle-Bed (EN)
Packed beds (EN)
Engineering, Chemical (EN)
Flow of fluids (EN)
Particles (particulate matter) (EN)
Catalytic hydrotreatment (EN)
Reactors (EN)
Operant Conditioning (EN)
Hold up (EN)
Mathematical models (EN)
Catalysis (EN)
Bench scale reactors (EN)
Chemical reactors (EN)
Provider
National Technical University of Athens
Repository / collection
Digital Library of National Technical University of Athens | Dspace@NTUA
Subcollections
Κεντρική Βιβλιοθήκη Ε.Μ.Π.
Ιδρυματικό Αποθετήριο
Δημοσιεύσεις μελών Δ.Ε.Π. σε περιοδικά
Journal
Chemical Engineering Science (EN)
Language
English
Issued
1994 (EN)
Identifier
http://hdl.handle.net/123456789/11166
10.1016/0009-2509(94)80052-9 (EN)
4 (EN)
49 (EN)
523 (EN)
ISI:A1994MP98600008 (EN)
529 (EN)
0009-2509 (EN)
Publisher
PERGAMON-ELSEVIER SCIENCE LTD (EN)
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