Optimization of Zr-Al-USY and Zr-Al-Beta zeolites catalysts for a one-pot cascade transformation of furfural to γ-valerolactone

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F24%3A10471152" target="_blank" >RIV/00216208:11320/24:10471152 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216208:11310/24:10471152

Výsledek na webu

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=jmMMUiK9FV" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=jmMMUiK9FV</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.cattod.2023.114406" target="_blank" >10.1016/j.cattod.2023.114406</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Optimization of Zr-Al-USY and Zr-Al-Beta zeolites catalysts for a one-pot cascade transformation of furfural to γ-valerolactone

Popis výsledku v původním jazyce

Conversion of renewable compounds to versatile platform molecules over environmentally friendly heterogeneous catalysts is of increasing demand. Bifunctional Zr,Al-containing large-pore zeolites stand as active, selective and reusable solid catalysts for a one-pot cascade transformation of biomass-derived furfural to γ-valerolactone, a platform molecule opening the way to various valuable chemicals. However, the influence of zeolite structure type and the ratio between Al- and Zr-associated acid sites on the outcome of this catalytic reaction has not been fully elucidated. Here we have compared the performance of the most efficient large-pore zeolites USY and Beta with systematically varied Al/Zr ratios for the one-pot synthesis of γ-valerolactone from furfural using 2-propanol or 2-pentanol as reacting solvents. The optimization of the catalyst structure (USY) and chemical composition (Al/Zr = 0.6) enables to achieve the yield of targeted γ-valerolactone comparable to or even exceeding the values previously reported for homogeneous or heterogeneous catalysis (88% after 24 h at 120 °C). The remarkable catalytic performance of the optimized Zr-Al-USY catalyst was related to the balanced ratio between Zr- and Al-associated acid sites catalyzing different steps of the studied cascade reaction.

Název v anglickém jazyce

Optimization of Zr-Al-USY and Zr-Al-Beta zeolites catalysts for a one-pot cascade transformation of furfural to γ-valerolactone

Popis výsledku anglicky

Conversion of renewable compounds to versatile platform molecules over environmentally friendly heterogeneous catalysts is of increasing demand. Bifunctional Zr,Al-containing large-pore zeolites stand as active, selective and reusable solid catalysts for a one-pot cascade transformation of biomass-derived furfural to γ-valerolactone, a platform molecule opening the way to various valuable chemicals. However, the influence of zeolite structure type and the ratio between Al- and Zr-associated acid sites on the outcome of this catalytic reaction has not been fully elucidated. Here we have compared the performance of the most efficient large-pore zeolites USY and Beta with systematically varied Al/Zr ratios for the one-pot synthesis of γ-valerolactone from furfural using 2-propanol or 2-pentanol as reacting solvents. The optimization of the catalyst structure (USY) and chemical composition (Al/Zr = 0.6) enables to achieve the yield of targeted γ-valerolactone comparable to or even exceeding the values previously reported for homogeneous or heterogeneous catalysis (88% after 24 h at 120 °C). The remarkable catalytic performance of the optimized Zr-Al-USY catalyst was related to the balanced ratio between Zr- and Al-associated acid sites catalyzing different steps of the studied cascade reaction.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10403 - Physical chemistry

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Catalysis Today

ISSN

0920-5861

e-ISSN

1873-4308

Svazek periodika

426

Číslo periodika v rámci svazku

January

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

13

Strana od-do

114406

Kód UT WoS článku

001098580800001

EID výsledku v databázi Scopus

2-s2.0-85173826603