Cited by 25Mesoporous Materials and CatalysisChemical and Physical Properties of MaterialsThermochemical Biomass Conversion Processes

Hydrothermal Treatment of Tannin: A Route to Porous Metal Oxides and Metal/Carbon Hybrid Materials

Open access
Braghiroli, Flavia, Fierro, Vanessa, Szczurek, Andrzej, Gadonneix, Philippe, Ghanbaja, Jaafar, Parmentier, Julien, Medjahdi, Ghouti, Celzard, Alain·2017·Inorganics

Abstract

In the present paper, porous materials were prepared from the hydrothermal treatment of aqueous solutions of tannin, a renewable phenolic resource extracted from tree barks, containing dissolved salts of transition metals: V, Cr, Ni and Fe. Hydrothermal treatment produced carbonaceous particles doped with the aforementioned metals, and such materials were treated according to two different routes: (i) calcination in air in order to burn the carbon and to recover porous oxides; (ii) pyrolysis in inert atmosphere so as to recover porous metal/carbon hybrid materials. The nature of the metal salt was found to have a dramatic impact on the structure of the materials recovered by the first route, leading either to nano-powders (V, Cr) or to hollow microspheres (Ni, Fe). The second route was only investigated with iron, leading to magnetic Fe-loaded micro/mesoporous carbons whose texture, pore volumes and surface areas gradually changed with the iron content.

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Registry

Crossref · 10.3390/inorganics5010007

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66 of 66 references verified0 citation errors · 0 not checkable

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Authors
Braghiroli, F., Fierro, V., Szczurek, A., Gadonneix, P., Ghanbaja, J., Parmentier, J., Medjahdi, G., & Celzard, A.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • Institut Jean Lamour, UMR CNRS—Université de Lorraine n° 7198, ENSTIB, Parc de Saurupt, CS 50840, F-54011 Nancy CEDEX, France
Corresponding author
Celzard, Alain
Venue
Inorganics
Publisher
MDPI AG
Published
2017-01-24
Volume
5
Issue
1
Pages
7
ISSN
2304-6740 (ISSN-L)
OpenAlex
W2581058304
Cited by
25
References
66
Citations by year
2026: 4 · 2025: 2 · 2024: 1 · 2022: 3 · 2021: 1 · 2020: 4 · 2019: 6 · 2018: 3 · 2017: 1
FWCI
1.62
Type
journal article
Language
en
Open access
Locations
  • Inorganics (publishedVersion, cc-by)
  • HAL (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • univOAK (4 institutions : Université de Strasbourg, Université de Haute Alsace, INSA Strasbourg, Bibliothèque Nationale et Universitaire de Strasbourg) (submittedVersion, cc-by)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Mesoporous Materials and Catalysis
  • Physical Sciences › Materials Science › Materials Chemistry › Chemical and Physical Properties of Materials
  • Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
Keywords
tannins, hydrothermal treatment, porous metal oxides, transition metal salts, vanadium, chromium, nickel, iron, calcination, pyrolysis, hollow microspheres, magnetic carbon, mesoporous carbon

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