CobaltMaghrebV1, Main, Exploration, bibRecord, 000827

Mass transfer correlation of simultaneous removal by cementation of nickel and cobalt from sulfate industrial solution containing copper Part I : Onto rotating zinc electrode disc

Identifieur interne : 000827 ( Main/Exploration ); précédent : 000826; suivant : 000828

Mass transfer correlation of simultaneous removal by cementation of nickel and cobalt from sulfate industrial solution containing copper Part I : Onto rotating zinc electrode disc

Auteurs : A. Dib [Algérie] ; L. Makhloufi [Algérie]

Source :

Chemical engineering journal : (1996) [ 1385-8947 ] ; 2007.

RBID : Pascal:07-0240005

Descripteurs français

Pascal (Inist)
- Transfert masse, Corrélation, Analyse corrélation, Electrode, Cinétique, Effet température, Vitesse rotation, Vitesse réaction, Aire superficielle, Production.
Wicri :
- topic : Production.

English descriptors

KwdEn :
- Correlation, Correlation analysis, Electrodes, Kinetics, Mass transfer, Production, Reaction rate, Rotation speed, Surface area, Temperature effect.

Abstract

In this part I of our work, the kinetics study of simultaneous cementation of nickel and cobalt from industrial zinc sulfate solutions using a rotating zinc electrode disc was investigated. Experiments were carried out in the presence of copper to increase the low cementation rate of these elements (Ni and Co). The effect of temperature, metallic ions concentrations and electrode rotation speed was also investigated. The reaction of nickel cementation was found to be under diffusional control while that of cobalt was found under chemical control. The reaction rate was found to be strongly affected by the increase in the electrode surface area. Mass transfer study of the process was correlated by the equation : Sh = 1.43Sc^0.33 Re^0.49. The results obtained will be used to establish optimal conditions for the zinc production plant of ALZINC, Tlemcen, Algeria.

Affiliations:

Algérie

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to stream PascalFrancis, to step Checkpoint: 000147
to stream Main, to step Merge: 000836
to stream Main, to step Curation: 000827

Le document en format XML

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<term>Production</term>
<term>Reaction rate</term>
<term>Rotation speed</term>
<term>Surface area</term>
<term>Temperature effect</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Transfert masse</term>
<term>Corrélation</term>
<term>Analyse corrélation</term>
<term>Electrode</term>
<term>Cinétique</term>
<term>Effet température</term>
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<front><div type="abstract" xml:lang="en">In this part I of our work, the kinetics study of simultaneous cementation of nickel and cobalt from industrial zinc sulfate solutions using a rotating zinc electrode disc was investigated. Experiments were carried out in the presence of copper to increase the low cementation rate of these elements (Ni and Co). The effect of temperature, metallic ions concentrations and electrode rotation speed was also investigated. The reaction of nickel cementation was found to be under diffusional control while that of cobalt was found under chemical control. The reaction rate was found to be strongly affected by the increase in the electrode surface area. Mass transfer study of the process was correlated by the equation : Sh = 1.43Sc<sup>0.33</sup>
 Re<sup>0.49</sup>
. The results obtained will be used to establish optimal conditions for the zinc production plant of ALZINC, Tlemcen, Algeria.</div>
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Mass transfer correlation of simultaneous removal by cementation of nickel and cobalt from sulfate industrial solution containing copper Part I : Onto rotating zinc electrode disc

Mass transfer correlation of simultaneous removal by cementation of nickel and cobalt from sulfate industrial solution containing copper Part I : Onto rotating zinc electrode disc

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri