Presently available liquid hold-up correlations for trickle-bed reactors are not applicable over wide ranges of system conditions. The new, improved correlation for the liquid hold-up in a trickle-bed reactor presented here, derived from fundamental considerations and a wide-ranging data base of som
A new, improved pressure drop correlation for trickle-bed reactors
β Scribed by M.J. Ellman; N. Midoux; A. Laurent; J.C. Charpentier
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 539 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0009-2509
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β¦ Synopsis
Presently-available pressure drop correlations for trickle-bed reactors are not applicable over wide ranges of system conditions. The new, improved correlation for the pressure drop in a trickle-bed reactor presented here -derived from fundamental considerations and a wide-ranging data base of some 4600 hydrodynamic experimental results -is applicable to industrial tricklebed reactors since it is based on wide variations of all the important variables, including measurementsat high pressures. No other previously derived correlations are applicable to high pressure operations.
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A state-of-the-art correlation for the prediction of frictional gas-liquid pressure drop in cocurrent upflow fixed bed reactors was derived based on a wide hydrodynamic data bank of flooded packed-bed reactors. The data bank, which contains more than 3400 measurements, was constructed using informat
## Abstract A new model has been developed in order to predict pressure drop and gas fraction of industrial fixed bed reactor operated in downward bubbly flow. The mechanistic approach proposed by Attou and Ferschneider (1999) has been followed. In this approach, mass and momentum balances are solv