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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

Identifieur interne : 000145 ( PascalFrancis/Curation ); précédent : 000144; suivant : 000146

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 :

RBID : Pascal:07-0240005

Descripteurs français

English descriptors

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 = 1.43Sc0.33 Re0.49. The results obtained will be used to establish optimal conditions for the zinc production plant of ALZINC, Tlemcen, Algeria.
pA  
A01 01  1    @0 1385-8947
A03   1    @0 Chem. eng. j. : (1996)
A05       @2 130
A06       @2 1
A08 01  1  ENG  @1 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
A11 01  1    @1 DIB (A.)
A11 02  1    @1 MAKHLOUFI (L.)
A14 01      @1 Laboratoire de Technologie des Matériaux et de Génie des Procédés (LTMGP), Département de Génie des Procédés, Université de Béjaïa @2 06000 Béjaïa @3 DZA @Z 1 aut. @Z 2 aut.
A20       @1 39-44
A21       @1 2007
A23 01      @0 ENG
A43 01      @1 INIST @2 14678 @5 354000149570890050
A44       @0 0000 @1 © 2007 INIST-CNRS. All rights reserved.
A45       @0 33 ref.
A47 01  1    @0 07-0240005
A60       @1 P
A61       @0 A
A64 01  1    @0 Chemical engineering journal : (1996)
A66 01      @0 NLD
C01 01    ENG  @0 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 = 1.43Sc0.33 Re0.49. The results obtained will be used to establish optimal conditions for the zinc production plant of ALZINC, Tlemcen, Algeria.
C02 01  X    @0 001D07G
C03 01  X  FRE  @0 Transfert masse @5 01
C03 01  X  ENG  @0 Mass transfer @5 01
C03 01  X  SPA  @0 Transferencia masa @5 01
C03 02  X  FRE  @0 Corrélation @5 02
C03 02  X  ENG  @0 Correlation @5 02
C03 02  X  SPA  @0 Correlación @5 02
C03 03  X  FRE  @0 Analyse corrélation @5 03
C03 03  X  ENG  @0 Correlation analysis @5 03
C03 03  X  SPA  @0 Análisis correlación @5 03
C03 04  X  FRE  @0 Electrode @5 04
C03 04  X  ENG  @0 Electrodes @5 04
C03 04  X  SPA  @0 Electrodo @5 04
C03 05  X  FRE  @0 Cinétique @5 05
C03 05  X  ENG  @0 Kinetics @5 05
C03 05  X  SPA  @0 Cinética @5 05
C03 06  X  FRE  @0 Effet température @5 06
C03 06  X  ENG  @0 Temperature effect @5 06
C03 06  X  SPA  @0 Efecto temperatura @5 06
C03 07  X  FRE  @0 Vitesse rotation @5 07
C03 07  X  ENG  @0 Rotation speed @5 07
C03 07  X  SPA  @0 Velocidad rotación @5 07
C03 08  X  FRE  @0 Vitesse réaction @5 08
C03 08  X  ENG  @0 Reaction rate @5 08
C03 08  X  SPA  @0 Velocidad reacción @5 08
C03 09  X  FRE  @0 Aire superficielle @5 09
C03 09  X  ENG  @0 Surface area @5 09
C03 09  X  SPA  @0 Area superficial @5 09
C03 10  X  FRE  @0 Production @5 10
C03 10  X  ENG  @0 Production @5 10
C03 10  X  SPA  @0 Producción @5 10
N21       @1 162
N44 01      @1 OTO
N82       @1 OTO

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