Tuning the properties and thermal treatment of Aquivion®/oxide hybrid catalysts for the one-pot production of γ-valerolactone from furfuryl alcohol

IF 4.8 2区化学 Q2 CHEMISTRY, PHYSICAL

Applied Catalysis A: General Pub Date : 2025-06-29 DOI:10.1016/j.apcata.2025.120420

Michele Offidani , Alessandro Allegri , Anna Saotta , Francesca Liuzzi , Alice S. Cattaneo , Claudio Oldani , Andrea Brigliadori , Simona Ortelli , Giuseppe Fornasari , Stefania Albonetti , Nikolaos Dimitratos

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引用次数: 0

Abstract

γ-Valerolactone (GVL) has transpired as a precursor to valuable chemicals, a fuel additive and an eco-friendly solvent. Herein, Aquivion®/oxide hybrid catalysts were prepared by an innovative spray freeze-drying method, tuning acid site distribution in the materials and exploring an approach to GVL synthesis from furfuryl alcohol (FAL) by employing non-noble metals. SiO₂, TiO₂ and ZrO₂ were selected because of their increasing Lewis acidity, a key factor in promoting catalytic transfer hydrogenation (CTH). A thorough study on thermal stability through TGA, MAS NMR, porosimetry, SEM-EDX and experimental testing unveiled their resistance to thermal treatments and its influence on catalytic performances. In this study, it is shown how the optimal thermal treatment conditions for the composite materials vary depending on the acid properties of the supporting oxide.

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调整aquvion®/氧化物杂化催化剂的性能和热处理，用于一锅从糠醇中生产γ-戊内酯

γ-戊内酯（GVL）已成为贵重化学品、燃料添加剂和环保溶剂的前体。本文采用创新的喷雾冷冻干燥方法制备了aquvion®/氧化物杂化催化剂，调整了材料中的酸位分布，并探索了利用非贵金属从糠醇（FAL）合成GVL的方法。选择SiO2、TiO2和ZrO2是因为它们能提高催化转移加氢（CTH）的Lewis酸度。通过TGA， MAS NMR，孔隙度测定，SEM-EDX和实验测试对其热稳定性进行了深入研究，揭示了其对热处理的抗性及其对催化性能的影响。在这项研究中，它显示了复合材料的最佳热处理条件是如何根据支撑氧化物的酸性而变化的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Applied Catalysis A: General 化学-环境科学

CiteScore

9.00

自引率

5.50%

发文量

415

审稿时长

24 days

期刊介绍： Applied Catalysis A: General publishes original papers on all aspects of catalysis of basic and practical interest to chemical scientists in both industrial and academic fields, with an emphasis onnew understanding of catalysts and catalytic reactions, new catalytic materials, new techniques, and new processes, especially those that have potential practical implications. Papers that report results of a thorough study or optimization of systems or processes that are well understood, widely studied, or minor variations of known ones are discouraged. Authors should include statements in a separate section "Justification for Publication" of how the manuscript fits the scope of the journal in the cover letter to the editors. Submissions without such justification will be rejected without review.