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Dive into the research topics where Jaouad Arichi is active.

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Featured researches published by Jaouad Arichi.


Solvent Extraction and Ion Exchange | 2010

Copper Extraction Kinetics by Beta-Diketone Derivatives (Acylpyrazolones and Acylisoxazolones) in Water/Chloroform Biphasic System

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

Synthesis of V-containing Keggin polyoxometalates: Versatile catalysts for the synthesis of fine chemicals?

Jaouad Arichi; Marion Eternot; Benoit Louis


Catalysis Letters | 2008

Co3O4 and Mn3O4 Nanoparticles Dispersed on SBA-15: Efficient Catalysts for Methane Combustion

Guillaume Laugel; Jaouad Arichi; H. Guerba; Michel Molière; A. Kiennemann; F. Garin; Benoit Louis


Crystal Growth & Design | 2008

Toward Microscopic Design of Zeolite Crystals : Advantages of the Fluoride-Mediated Synthesis

Jaouad Arichi; Benoit Louis


Catalysis Today | 2008

Metal oxides nanoparticles on SBA-15: Efficient catalyst for methane combustion

Guillaume Laugel; Jaouad Arichi; Michel Molière; A. Kiennemann; F. Garin; Benoit Louis


Solvent Extraction and Ion Exchange | 1996

SYNERGISTIC EXTRACTION OF COPPER (II) AND OTHER DIVALENT METALS WITH 3-PHENYL-4-ACYLISOXAZOL-5-ONES AND 1-PHENYL-3-METHYL-4-ACYLPYRAZOL-5-ONES IN THE PRESENCE OF TRI-n-OCTYLPHOSPHINE OXIDE IN TOLUENE

K. Torkestani; O. Blinova; Jaouad Arichi; G. J. Goetz-Grandmont; Jean-Pierre Brunette


Crystal Growth & Design | 2010

How Keggin-Type Polyoxometalates Self-Organize into Crystals

P. Mothé-Esteves; M. Maciel Pereira; Jaouad Arichi; Benoit Louis


Comptes Rendus Chimie | 2009

Preparation and characterisation of metal oxides supported on SBA-15 as methane combustion catalysts

Guillaume Laugel; Jaouad Arichi; Pierre Bernhardt; Michel Molière; A. Kiennemann; F. Garin; Benoit Louis


Separation and Purification Technology | 2007

Synergistic extraction of lanthanoids with heterocyclic β-ketoenols and 2,4,6-tri(2-pyridyl)-1,3,5-triazine, TPTZ: Part I: Interaction of the extractants

Elias Bou-Maroun; Jaouad Arichi; Anne Boos; G. J. Goetz-Grandmont


Separation and Purification Technology | 2009

Selectivity of heterocyclic β-ketoenols toward trivalent lanthanoids: Semi-empirical molecular orbital calculations and solvent extraction from nitrate aqueous medium

Jaouad Arichi; G. J. Goetz-Grandmont

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Benoit Louis

University of Strasbourg

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F. Garin

Centre national de la recherche scientifique

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Guillaume Laugel

Centre national de la recherche scientifique

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A. Kiennemann

University of Strasbourg

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G. J. Goetz-Grandmont

Centre national de la recherche scientifique

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Anne Boos

Centre national de la recherche scientifique

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Elias Bou-Maroun

Centre national de la recherche scientifique

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Jean-Pierre Brunette

Centre national de la recherche scientifique

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Geneviève Goetz

Centre national de la recherche scientifique

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H. Guerba

Centre national de la recherche scientifique

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