Results 21 to 30 of about 1,553,042 (294)

Scale Effects on the Hydrodynamics of Bubble Column [PDF]

open access: yesEngineering and Technology Journal, 2009
The main object of this study is to investigate the influence of the columngeometric and operating variables ( i.e., column diameter, superficial gas velocityand liquid viscosity) on the hydrodynamic parameter ( i.e.
Farah S. Jameel, Mohammad F. Abid
doaj   +1 more source

INVESTIGATION MEASUREMENT OF DISPERSION COEFFICIENT AND MIXING TIMES IN BUBBLE COLUMN

open access: yesDiyala Journal of Engineering Sciences, 2010
A complete model of liquid-phase dispersion was used to simultaneously characterize axial and radial mixing in bubble column of 0.15 m inside diameter and plastic plate distributor with holes of 2 mm diameter.
Burhan Sadeq Abdulrazzaq
doaj   +1 more source

Modeling ofMixing in The Liquid Phase For Bubble Column [PDF]

open access: yesEngineering and Technology Journal, 2009
Hydrodynamic characteristics (mixing in the liquid phase) in a bubble column with a non-Newtonian liquid phase (aqueous solutions of carboxymethylcellulose, or CMC, at different concentrations) were measured and correlated.
Ali H. Jawad
doaj   +1 more source

Hydrodynamics of pulsed sieve-plate extraction columns [PDF]

open access: yesHemijska Industrija, 2020
This paper presents a review of some hydrodynamic parameters in pulsed sieve-plate extraction columns. The hydrodynamic parameters in liquid-liquid systems in these columns were analyzed regarding the effects of operating and geometrical parameters.
Sovilj Milan N.   +1 more
doaj   +1 more source

Dispersion in oscillatory flows [PDF]

open access: yes, 1983
The enhanced axial mixing which is caused by dispersion in oscillatory flows in some mass transfer devices may limit the reactor performance. This effect has provided the motivation for the present study in which oscillatory flow dispersion in a flat ...
Stairmand, John W., Stairmand, J. W.
core   +1 more source

Solid diffusion control of the adsorption of basic dyes onto granular activated carbon and natural zeolite in fixed bed columns [PDF]

open access: yesJournal of the Serbian Chemical Society, 2001
The adsorption of basic dyes from aqueous solutions onto granular activated carbon and natural zeolite was studied using a fixed bed column. The design procedures for fixed bed adsorption columns were investigated for two basic dyes Maxilon Goldgelb GL ...
M. MARINKOVSKI   +3 more
doaj   +3 more sources

Liquid-Phase Back mixing in Bubble Columns

open access: yesTikrit Journal of Engineering Sciences, 2010
Liquid-phase axial dispersion coefficients have been measured for air-water system in bubble columns of 10, 15 and 30 cm diameter. The experiments are carried out using a transient method (the tracer response method).
Burhan S. Abdulrazzaq
doaj   +1 more source

Gas Holdup and Liquid-Phase Dispersion in Packed Bubble Columns

open access: yesTikrit Journal of Engineering Sciences, 2011
The gas holdup and liquid phase axial dispersion coefficient are measured in two semi batch packed bubble columns, 10 and 15 cm diameter for an air–water system, at atmospheric conditions.
Burhan Sadeq Abdulrazzaq
doaj   +1 more source

Hydrodynamics in spray and packed liquid-liquid extraction columns: A review

open access: yesMacedonian Journal of Chemistry and Chemical Engineering, 2019
This work provides a review of hydrodynamic characteristics such as the slip velocity, the dispersed-phase holdup, mean drop size, and axial dispersion of non-mechanically agitated liquid-liquid (L-L) extractors, with special reference to spray and ...
Milan N. Sovilj   +2 more
doaj   +1 more source

Axial dispersion of the liquid phase on a three-phase Karr reciprocating plate column [PDF]

open access: yesJournal of the Serbian Chemical Society, 2004
The influence of the gas flow rate and vibration intensity in the presence of the solid phase (polypropylene spheres) on axial mixing of the liquid phase in a three phase (gas-liquid-solid) Karr reciprocating plate column (RPC) was investigated. Assuming
Nikolić Ljubiša B.   +4 more
doaj   +1 more source

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