2023
DOI: 10.1039/d2su00080f
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Aerosol-assisted sol–gel synthesis of mesoporous Ag–Ta–SiO2catalysts for the direct upgrading of ethanol to butadiene

Abstract: The Lebedev process, or the direct catalytic conversion of bioethanol to butadiene, offers an up-and-coming sustainable alternative to the petrochemical route toward this high-demand C4 hydrocarbon. Since the reaction mechanism...

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Cited by 5 publications
(4 citation statements)
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“…This is a typical range for materials prepared with Pluronic F127 as the templating agent. 43,60 The increase in pore volume in the lowest pore diameter range for Ac-2Ta2Cu corresponds to a fraction of micropores and is consistent with previous reports, as the acetamide elimination route natively yields a microporous texture. 44,46 Furthermore, Table 1 corroborates this observation with a superior micropore volume of 0.23 mL g −1 for Ac-2Ta2Cu compared to 0.05 mL g −1 for Et-2Ta2Cu.…”
Section: Resultssupporting
confidence: 90%
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“…This is a typical range for materials prepared with Pluronic F127 as the templating agent. 43,60 The increase in pore volume in the lowest pore diameter range for Ac-2Ta2Cu corresponds to a fraction of micropores and is consistent with previous reports, as the acetamide elimination route natively yields a microporous texture. 44,46 Furthermore, Table 1 corroborates this observation with a superior micropore volume of 0.23 mL g −1 for Ac-2Ta2Cu compared to 0.05 mL g −1 for Et-2Ta2Cu.…”
Section: Resultssupporting
confidence: 90%
“…However, when considering BJH adsorption curves (Figure a), both routes have the highest adsorption volume around 15 nm, further confirming the mesoporous character of Et- and Ac-2Ta2Cu. This is a typical range for materials prepared with Pluronic F127 as the templating agent. , The increase in pore volume in the lowest pore diameter range for Ac-2Ta2Cu corresponds to a fraction of micropores and is consistent with previous reports, as the acetamide elimination route natively yields a microporous texture. , Furthermore, Table corroborates this observation with a superior micropore volume of 0.23 mL g –1 for Ac-2Ta2Cu compared to 0.05 mL g –1 for Et-2Ta2Cu. Indeed, overall, both non-hydrolytic synthesis routes yield catalysts with a predominantly mesoporous texture and high SSAs.…”
Section: Resultssupporting
confidence: 90%
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“…40,41 Various catalysts including porous oxides, metal and alloys or even hybrid catalysts were synthesized using this technique. [42][43][44][45][46][47][48][49][50][51][52] It relies on the rapid thermally induced evaporation of a sprayed solution containing the different precursors (alkoxides or salts) and a templating agent to form dry particles with homogeneous composition and controlled porosity (Scheme S1 †). The catalysts developed in this work consist of small Au nanoparticles highly dispersed on a Sn-Si mixed oxide.…”
Section: Introductionmentioning
confidence: 99%