Results 121 to 130 of about 841 (170)
A reciprocating-plate extraction column for hydrometallurgical applications
Metallurgical Transactions, 1973 Solvent extraction columns equipped with reciprocating plates are discussed. It is shown that reciprocating-plate columns with two sets of plates, alternately mounted on separate rods, and with a phase shift of 180 deg between the motion of the two rods, are, from a mechanical standpoint much superior to previously proposed types: under practical ...
J. Landau, A. Dim, R. Houlihan
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Drop size and holdup in a reciprocating plate extraction column
Chemical Engineering Science, 1973 This paper reports measurements of droplet sizes and holdup in liquid—liquid systems in a 2 in. dia. reciprocating plate extraction column, in the absence of mass transfer. The Sauter mean droplet diameter was found to depend on the product of plate amplitude and frequency and on the system properties, but it was not in general affected by the ...
M.H.I. Baird, S.J. Lane
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Reciprocating plate extraction column as a cocurrent mixer
AIChE Journal, 1984 On montre a l'aide de resultats experimentaux les avantages d'une colonne d'extraction a plateau alternatif employee comme melangeur ...
A. E. Karr
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Hydrodynamics and power consumption of a reciprocating plate gas–liquid column
Canadian Journal of Chemical Engineering, 1993AbstractAn experimental program has been initiated to use a reciprocating plate column for aerobic fermentations. This paper reports the results of the initial phase consisting of the hydrodynamic studies and the evaluation of the power consumption as a function of the level of agitation and gas superficial velocity.
Jules Thibault
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Transient behaviour of holdup in a reciprocating plate extraction column
Chemical Engineering Science, 1986 Abstract Transfer functions relating the holdup to the intensity of plate reciprocation and to the velocity of the dispersed phase were determined from experiments in a 4m high VPE reciprocating plate solvent extraction column. The system under investigation was toluene dispersed in water without mass transfer between the phases.
Helena Sovová, Antonín Havlíček
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Liquid-liquid mass transfer in a reciprocating-plate column
The Chemical Engineering Journal and the Biochemical Engineering Journal, 1994 Abstract Liquid-liquid mass transfer has been experimentally studied for the kerosene (dispersed)-water (continuous) system in a reciprocating-plate column, using benzoic acid and n -butyric acid as solutes. The effect of the flow rates of the phases, the agitation rate of the plate stack, the perforation diameter and free area of the plate and the ...
T.L. Harikrishnan +2 more
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Cocurrent Extraction in a Reciprocating Plate Column
, 1981 Master of Engineering (ME)
Noh, Hong Soo
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Effect of Plate Material on Dispersed-Phase Holdup in a Karr Reciprocating Plate Column
Solvent Extraction and Ion Exchange, 2011 Abstract The effect of plate material on the dispersed-phase holdup in a Karr reciprocating plate column is studied. Existing models cannot predict the observed degradation of the performance of plates as they foul. Experimental data of dispersed-phase holdup have been obtained for a 10 vol% tributyl phosphate/kerosene-phenol-water system in a 50 mm ...
Ravi Christo +2 more
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ANALYSIS OF AXIAL MIXING IN A GAS-LIQUID RECIPROCATING PLATE COLUMN
Chemical Engineering Communications, 2007Axial mixing in the continuous phase in a Landau reciprocating-plate column (LRPC) has been investigated for both single-phase and two-phase gas-liquid flow conditions. A hydrodynamic model is proposed in which axial mixing is described as a process consisting of a backflow through the plate plus longitudinal mixing within the stage.
A M Al Taweel
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Computer Control of A Reciprocating Plate Extraction Column
, 1981 This work discusses the control of a pilot scale (15 cm Dia.) Karr reciprocating extraction column. The system used is Kerosene dispersed in water, in which mass transfer does not occur. The control scheme developed were tested for servo tracking and regulator control of the holdup of the dispersed phase, the manipulated variance was frequency of the ...
Kusuma, Indra
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