Browsing by Author "BENDEBANE Salima (Co-Auteur)"

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    Influence of Saccharin and 2-Butyne-1,4diol on the Electrodeposition of Zn-Ni Alloys Coatings: Application of a Mixture Design
    (Portugaliae Electrochimica Acta, 2025) BENDEBANE Salima (Co-Auteur)
    Herein, electrodeposition of Zn-Ni alloy thin films on CS substrates under various conditions, from sulfate baths containing Na3C6H5O7, C7H5NO3S, and 2-butyne-1,4diol, was studied. So as to have the best bath composition, a mixture design application was examined. The best obtained composition was: 0.3 M Na3C6H5O7-, 0.1 g/L C7H5NO3S and 0.1 g/L 2-butyne-1,4-diol, for theoretical and experimental responses of 215.22 and 221.60 HV, respectively. Zn-Ni coating morphological properties and composition were examined by SEM and EDS. It was found that, on optimal conditions, a significant decrease in the grain size occurred. The deposits were homogeneous, uniform, compact and fine-grained, without any pores at the surface
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    Planning and processing of Zn-Ni alloy thin film by electrodeposition
    (International Journal of Chemistry and Technology, 2023) BENDEBANE Salima (Co-Auteur)
    Electrodepositions of zinc–nickel alloy thin films on Low-carbon steel from sulfate acid baths were studied. An experimental design and optimization procedures for Zn‐Ni alloy electroplating was applied using Minitab 19. This paper analyzed a six‐variable in two steps. (1) A Mixture Design (MD) where the best proportion between boric acid, saccharin, and 2-butyne-1,4-diol was determined. (2) Box Behnken design to find the most optimal conditions for zinc‐nickel electroplating. For that temperature, current density, and the ratio [Ni2+]/[Zn2+] are the tested parameters.In step 1 the best bath composition was [boric acid] = 0.1M, [saccharin] = 0.3 g/L, and [2butyne-1,4-diol] = 0.1 g/L.It was found, from step 2, that the best coating in terms of quality, brightness, and hardness was obtained under the following conditions: T= 30°C; i= 0.5A/dm2 and [Ni2+]/[Zn2+] = 0.53 with a theoretical response of 312.66 HV and an experimental response of 312.30 HV. These results were confirmed by two analyses morphological (SEM) and elemental (EDS)
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    Remove of a mixture cationics dyes in aqueous solution by a green emulsion liquid membrane
    (Global NEST Journal, 2025-01-16) BENDEBANE Salima (Co-Auteur)
    The objective of this work is the treatment and purification of an aqueous solution loaded with a mixture of dyes, malachite green (MG) and rhodamine B (Rh-B) using a green emulsified membrane GELM. The proposed GELM process consists of a surfactant (Span 80), an internal phase (sulfuric acid) and a diluent (soybean oil). A Box-Behnken design was implemented to optimize the operating parameters. Three factors were varied: the mass percentage of Span 80, the concentration of the internal phase and a volume ratio Vext/Vem, while keeping the other parameters constant. The results of the optimization give an extraction yield of the dye mixture of 99.77% under the following optimum conditions: 10% by mass for Span 80, a concentration of 0.5 M for the internal phase and a Vext/Vem volume ratio of 7.