Next Article in Journal / Special Issue
Synthesis and Size Dependent Reflectance Study of Water Soluble SnS Nanoparticles
Previous Article in Journal / Special Issue
Accurate Size and Size-Distribution Determination of Polystyrene Latex Nanoparticles in Aqueous Medium Using Dynamic Light Scattering and Asymmetrical Flow Field Flow Fractionation with Multi-Angle Light Scattering
Open AccessArticle

Study of Alginate-Supported Ionic Liquid and Pd Catalysts

Ecole des Mines d’Alès, Laboratoire Génie de l’Environnement Industriel, Equipe Interfaces Fonctionnalisées pour l’Environnement et la Sécurité, 6, Avenue de Clavières, F-30319 ALES Cedex, France
Laboratoire de Chimie Moléculaire et Thioorganique, UMR CNRS 6507, INC3M, FR 3038, ENSICAEN & Université de Caen, F-14050 Caen, France
Author to whom correspondence should be addressed.
Nanomaterials 2012, 2(1), 31-53;
Received: 4 October 2011 / Revised: 9 December 2011 / Accepted: 29 December 2011 / Published: 11 January 2012
(This article belongs to the Special Issue From Molecules to Nanomaterials)
PDF [1542 KB, uploaded 11 January 2012]


New catalytic materials, based on palladium immobilized in ionic liquid supported on alginate, were elaborated. Alginate was associated with gelatin for the immobilization of ionic liquids (ILs) and the binding of palladium. These catalytic materials were designed in the form of highly porous monoliths (HPMs), in order to be used in a column reactor. The catalytic materials were tested for the hydrogenation of 4-nitroaniline (4-NA) in the presence of formic acid as hydrogen donor. The different parameters for the elaboration of the catalytic materials were studied and their impact analyzed in terms of microstructures, palladium sorption properties and catalytic performances. The characteristics of the biopolymer (proportion of β-D-mannuronic acid (M) and α-L-guluronic acid (G) in the biopolymer defined by the M/G ratio), the concentration of the porogen agent, and the type of coagulating agent significantly influenced catalytic performances. The freezing temperature had a significant impact on structural properties, but hardly affected the catalytic rate. Cellulose fibers were incorporated as mechanical strengthener into the catalytic materials, and allowed to enhance mechanical properties and catalytic efficiency but required increasing the amount of hydrogen donor for catalysis. View Full-Text
Keywords: alginate; ionic liquid; highly porous monolith; palladium; 4-nitroaniline; catalytic hydrogenation alginate; ionic liquid; highly porous monolith; palladium; 4-nitroaniline; catalytic hydrogenation

Graphical abstract

This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

Supplementary material


Share & Cite This Article

MDPI and ACS Style

Jouannin, C.; Vincent, C.; Dez, I.; Gaumont, A.-C.; Vincent, T.; Guibal, E. Study of Alginate-Supported Ionic Liquid and Pd Catalysts. Nanomaterials 2012, 2, 31-53.

Show more citation formats Show less citations formats

Related Articles

Article Metrics

Article Access Statistics



[Return to top]
Nanomaterials EISSN 2079-4991 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top