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Molecules
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Sustainable Chemistry in France 2.0
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Sustainable Chemistry in France 2.0

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Green Chemistry".

Deadline for manuscript submissions: 31 October 2024 | Viewed by 4679

Special Issue Editors

Dr. Pascal Isnard

E-Mail Website
Guest Editor
Chairman of the Sustainable Chemistry Group at the French Chemical Society (SCF), ex-Sanofi, Paris, France
Interests: sustainable chemistry; industrial chemistry
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Franck Launay

E-Mail Website
Guest Editor
UMR 7197, Laboratoire de Réactivité de Surface (LRS), Centre National de la Recherche Scientifique, Sorbonne Université, 75252 Paris, France
Interests: utilization of porous materials for the design of selective and stable catalysts; valorization of alkenes, CO2, and biomass; supported homogeneous catalysts (organocatalysts, metal complexes, polyoxometalates or even enzymes); supported heterogeneous catalysts (zero-valent metal/metal oxide colloids)
Special Issues, Collections and Topics in MDPI journals
Dr. Dominique Agustin

E-Mail Website
Guest Editor
1. LCC Laboratoire de Chimie de Coordination, Toulouse, France
2. Department of Chemistry, IUT Paul Sabatier, Castres, France
Interests: coordination chemistry; green chemistry; catalysis; catalysts grafting; DFT calculations; organic solvent-free processes; polyoxometalates; biomass valorization
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In the context of sustainable development, chemistry has two main roles: the reduction of the environmental footprint of its own activity, and offering solutions able to meet the challenges of modern society. Sustainable chemistry is thus a reality which improves our everyday lives. Many researchers are active in this domain, searching for new products and processes using less resources and energy and protecting health and the environment. As described by Anastas and Warner in the 12 Principles of Green Chemistry, this may be achieved in different ways, e.g., using renewable/bio-based resources and/or new or improved technologies and processes.

The present Special Issue is aimed at reviewing the work conducted in this field in French laboratories.

Dr. Pascal Isnard
Prof. Dr. Franck Launay
Dr. Dominique Agustin
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • sustainable chemistry
  • green chemistry
  • bio-based chemistry
  • renewable resources
  • process improvement
  • France

Published Papers (3 papers)

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Research

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15 pages, 2765 KiB  
Article
Recovery of Precious Metals: A Promising Process Using Supercritical Carbon Dioxide and CO2-Soluble Complexing Polymers for Palladium Extraction from Supported Catalysts
by Andrea Ruiu, W. S. Jennifer Li, Marin Senila, Cécile Bouilhac, Dominique Foix, Bernhard Bauer-Siebenlist, Karine Seaudeau-Pirouley, Thorsten Jänisch, Sarah Böringer and Patrick Lacroix-Desmazes
Molecules 2023, 28(17), 6342; https://doi.org/10.3390/molecules28176342 - 30 Aug 2023
Cited by 1 | Viewed by 945
Abstract
Precious metals such as palladium (Pd) have many applications, ranging from automotive catalysts to fine chemistry. Platinum group metals are, thus, in massive demand for industrial applications, even though they are relatively rare and belong to the list of critical materials for many [...] Read more.
Precious metals such as palladium (Pd) have many applications, ranging from automotive catalysts to fine chemistry. Platinum group metals are, thus, in massive demand for industrial applications, even though they are relatively rare and belong to the list of critical materials for many countries. The result is an explosion of their price. The recovery of Pd from spent catalysts and, more generally, the development of a circular economy process around Pd, becomes essential for both economic and environmental reasons. To this aim, we propose a sustainable process based on the use of supercritical CO2 (i.e., a green solvent) operated in mild conditions of pressure and temperature (p = 25 MPa, T = 313 K). Note that the range of CO2 pressures commonly used for extraction is going from 15 to 100 MPa, while temperatures typically vary from 308 to 423 K. A pressure of 25 MPa and a temperature of 313 K can, therefore, be viewed as mild conditions. CO2-soluble copolymers bearing complexing groups, such as pyridine, triphenylphosphine, or acetylacetate, were added to the supercritical fluid to extract the Pd from the catalyst. Two supported catalysts were tested: a pristine aluminosilicate-supported catalyst (Cat D) and a spent alumina supported-catalyst (Cat A). An extraction conversion of up to more than 70% was achieved in the presence of the pyridine-containing copolymer. The recovery of the Pd from the polymer was possible after extraction, and the technological and economical assessment of the process was considered. Full article
(This article belongs to the Special Issue Sustainable Chemistry in France 2.0)
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25 pages, 2562 KiB  
Article
Cascading One-Pot Synthesis of Biodegradable Uronic Acid-Based Surfactants from Oligoalginates, Semi-Refined Alginates, and Crude Brown Seaweeds
by Freddy Pessel, Guillaume Noirbent, Cédric Boyère, Sacha Pérocheau Arnaud, Tiphaine Wong, Laura Durand and Thierry Benvegnu
Molecules 2023, 28(13), 5201; https://doi.org/10.3390/molecules28135201 - 4 Jul 2023
Cited by 1 | Viewed by 938
Abstract
The present article describes a one-pot and cascade mode process using biocompatible/biodegradable reagents, for simply obtaining surfactant compositions comprising mixtures of d-mannuronic acid and l-guluronic acid directly from oligoalginates or semi-refined alginates (mixtures of alginate, cellulose, hemicellulose, laminaran, and fucan). Simple [...] Read more.
The present article describes a one-pot and cascade mode process using biocompatible/biodegradable reagents, for simply obtaining surfactant compositions comprising mixtures of d-mannuronic acid and l-guluronic acid directly from oligoalginates or semi-refined alginates (mixtures of alginate, cellulose, hemicellulose, laminaran, and fucan). Simple treatments of partial purification of the reaction crudes (elimination of the salts and/or the residual fatty alcohols) or isolation of the surfactant compositions result in sugar-based compounds having performance levels appropriate to applications in detergency. In addition, the challenging extension of this cascading one-pot synthesis technology to crude milled brown seaweeds was successfully carried out to provide promising surface-active compositions made up of alkyl uronate and alkyl glycoside monosaccharides. Full article
(This article belongs to the Special Issue Sustainable Chemistry in France 2.0)
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Review

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26 pages, 5393 KiB  
Review
Photocatalytic Transformation of Biomass and Biomass Derived Compounds—Application to Organic Synthesis
by Mario Andrés Gómez Fernández and Norbert Hoffmann
Molecules 2023, 28(12), 4746; https://doi.org/10.3390/molecules28124746 - 13 Jun 2023
Cited by 3 | Viewed by 2339
Abstract
Biomass and biomass-derived compounds have become an important alternative feedstock for chemical industry. They may replace fossil feedstocks such as mineral oil and related platform chemicals. These compounds may also be transformed conveniently into new innovative products for the medicinal or the agrochemical [...] Read more.
Biomass and biomass-derived compounds have become an important alternative feedstock for chemical industry. They may replace fossil feedstocks such as mineral oil and related platform chemicals. These compounds may also be transformed conveniently into new innovative products for the medicinal or the agrochemical domain. The production of cosmetics or surfactants as well as materials for different applications are examples for other domains where new platform chemicals obtained from biomass can be used. Photochemical and especially photocatalytic reactions have recently been recognized as being important tools of organic chemistry as they make compounds or compound families available that cannot be or are difficultly synthesized with conventional methods of organic synthesis. The present review gives a short overview with selected examples on photocatalytic reactions of biopolymers, carbohydrates, fatty acids and some biomass-derived platform chemicals such as furans or levoglucosenone. In this article, the focus is on application to organic synthesis. Full article
(This article belongs to the Special Issue Sustainable Chemistry in France 2.0)
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