FR3114317B1 - Monolithic nanoparticle metallo-oxides with multi-scale porosity - Google Patents

Monolithic nanoparticle metallo-oxides with multi-scale porosity Download PDF

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Publication number
FR3114317B1
FR3114317B1 FR2009497A FR2009497A FR3114317B1 FR 3114317 B1 FR3114317 B1 FR 3114317B1 FR 2009497 A FR2009497 A FR 2009497A FR 2009497 A FR2009497 A FR 2009497A FR 3114317 B1 FR3114317 B1 FR 3114317B1
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Prior art keywords
oxides
metallo
monolithic
scale porosity
nanoparticle
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FR3114317A1 (en
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Rénal Backov
Vang, (Épouse Ly) Isabelle
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Centre National de la Recherche Scientifique CNRS
Universite de Bordeaux
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Centre National de la Recherche Scientifique CNRS
Universite de Bordeaux
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Priority to FR2009497A priority Critical patent/FR3114317B1/en
Priority to PCT/EP2021/075529 priority patent/WO2022058449A1/en
Priority to EP21777536.0A priority patent/EP4214177A1/en
Publication of FR3114317A1 publication Critical patent/FR3114317A1/en
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    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
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    • C01B37/00—Compounds having molecular sieve properties but not having base-exchange properties
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Abstract

Métallo - oxydes nanoparticulaires monolithiques à porosité multi-échelles Procédé de préparation d’un monolithe d’oxydes mixtes nanoparticulaires à porosité multi-échelle de formule (I) MOxSiO2 (I) dans laquelle M représente un métal ou un métalloïde choisi dans le groupe comprenant Cr, Co, Mn, Ni, Ce, V, Y, W, Nb, Mo, Fe, Zn, Ta, Sn, Cd, Cu et In et x représente le rapport molaire M/Si et est un nombre compris entre 0,05 et 0,57 , ledit procédé comprenant une étape d’émulsification d’une phase huileuse dans une phase aqueuse homogène acide, ladite phase aqueuse comprenant un tensioactif cationique, au moins un sel métallique précurseur d’oxyde métallique et un précurseur de silice, une étape de polycondensation, une étape d’élimination de la phase huileuse par un traitement d’une nuit par du dichlorométhane et une étape de calcination à une température comprise entre 500 et 700 °C.Metallo-monolithic nanoparticulate oxides with multi-scale porosity Process for the preparation of a monolith of nanoparticulate mixed oxides with multi-scale porosity of formula (I) MOxSiO2 (I) in which M represents a metal or a metalloid chosen from the group comprising Cr, Co, Mn, Ni, Ce, V, Y, W, Nb, Mo, Fe, Zn, Ta, Sn, Cd, Cu and In and x represents the M/Si molar ratio and is a number between 0, 05 and 0.57, said method comprising a step of emulsifying an oily phase in a homogeneous acidic aqueous phase, said aqueous phase comprising a cationic surfactant, at least one metal salt precursor of metal oxide and a precursor of silica, a polycondensation step, a step for eliminating the oily phase by overnight treatment with dichloromethane and a calcination step at a temperature between 500 and 700°C.

FR2009497A 2020-09-18 2020-09-18 Monolithic nanoparticle metallo-oxides with multi-scale porosity Active FR3114317B1 (en)

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Application Number Priority Date Filing Date Title
FR2009497A FR3114317B1 (en) 2020-09-18 2020-09-18 Monolithic nanoparticle metallo-oxides with multi-scale porosity
PCT/EP2021/075529 WO2022058449A1 (en) 2020-09-18 2021-09-16 Monolithic nanoparticle metal oxides with multiscale porosity
EP21777536.0A EP4214177A1 (en) 2020-09-18 2021-09-16 Monolithic nanoparticle metal oxides with multiscale porosity

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FR2009497 2020-09-18
FR2009497A FR3114317B1 (en) 2020-09-18 2020-09-18 Monolithic nanoparticle metallo-oxides with multi-scale porosity

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FR3114317A1 FR3114317A1 (en) 2022-03-25
FR3114317B1 true FR3114317B1 (en) 2022-09-23

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GB0201951D0 (en) * 2002-01-29 2002-03-13 Ici Plc Silica materials
AU2003208883A1 (en) * 2002-02-22 2003-09-09 Hte Aktiengesellschaft The High Throughput Experimentation Company Decomposable monolithic ceramic materials having an at least bimodal pore distribution and active metal centers located in the pores
FR2852947B1 (en) 2003-03-27 2005-06-03 Centre Nat Rech Scient INORGANIC MATERIAL HIERARCHISED STRUCTURE AND PROCESS FOR PREPARING THE SAME
FR2965807B1 (en) * 2010-10-11 2012-12-21 Centre Nat Rech Scient PROCESS FOR PREPARING ALVEOLAR INORGANIC MONOLITHIC MATERIALS AND USES THEREOF
FR2993874A1 (en) * 2012-07-26 2014-01-31 Univ Paris Curie Preparing silica-alumina material used as acid catalyst and catalyst support for heterogeneous catalysis in continuous flow, comprises preparing oil phase, aqueous phase and oil-in-water emulsion and performing condensation step
FR3065650B1 (en) * 2017-04-28 2019-06-28 IFP Energies Nouvelles METHOD FOR PHOTOCATALYTIC REDUCTION OF CARBON DIOXIDE USING PHOTOCATALYST IN THE FORM OF POROUS MONOLITH

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