Jaouad Arichi
Centre national de la recherche scientifique
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Featured researches published by Jaouad Arichi.
Solvent Extraction and Ion Exchange | 2010
Geneviève Goetz; Jaouad Arichi; Zeinab Lakkis; Jean-Pierre Brunette; Marc Hebrant
Abstract Copper(II) extraction and back-extraction rates were determined in a water/chloroform system using a bell-shaped transport cell. Various 1-phenyl-3-methyl-4-acyl-pyrazol-5-ones (with acyl = benzoyl, 2-thenoyl, octadecanoyl, p-tert-butylbenzoyl, 3-phenyl-propanoyl, and iso-nonanoyl) and 3-phenyl-4-acylisoxazol-5-ones (with acyl = benzoyl and p-tert-butylbenzoyl) were considered. The back-extraction rate is shown to be limited by the diffusion of the complex in the organic unstirred layer, whatever the stirring speed and whatever the ligand considered. At low stirring speed, the extraction rate appears to be limited by the diffusion of either a complex or a ligand species in the unstirred layers, depending on the pH. At high stirring speed, the extraction rate is limited by the interfacial complexation. The extraction rate dependence on side-group variation cannot be correlated with hydrophobicity or acidity of the extractants and may be explained by structural differences of the CO vicinal group of the acyl.
Catalysis Today | 2008
Jaouad Arichi; Marion Eternot; Benoit Louis
Catalysis Letters | 2008
Guillaume Laugel; Jaouad Arichi; H. Guerba; Michel Molière; A. Kiennemann; F. Garin; Benoit Louis
Crystal Growth & Design | 2008
Jaouad Arichi; Benoit Louis
Catalysis Today | 2008
Guillaume Laugel; Jaouad Arichi; Michel Molière; A. Kiennemann; F. Garin; Benoit Louis
Solvent Extraction and Ion Exchange | 1996
K. Torkestani; O. Blinova; Jaouad Arichi; G. J. Goetz-Grandmont; Jean-Pierre Brunette
Crystal Growth & Design | 2010
P. Mothé-Esteves; M. Maciel Pereira; Jaouad Arichi; Benoit Louis
Comptes Rendus Chimie | 2009
Guillaume Laugel; Jaouad Arichi; Pierre Bernhardt; Michel Molière; A. Kiennemann; F. Garin; Benoit Louis
Separation and Purification Technology | 2007
Elias Bou-Maroun; Jaouad Arichi; Anne Boos; G. J. Goetz-Grandmont
Separation and Purification Technology | 2009
Jaouad Arichi; G. J. Goetz-Grandmont