Highly Efficient CuCoLa Catalyst for the Direct Hydrogenation of Furfural to Pentanediols

IF 2.3 4区化学 Q3 CHEMISTRY, PHYSICAL Catalysis Letters Pub Date : 2024-07-02 DOI:10.1007/s10562-024-04771-2

Yongjia Liang, Jianliang Zuo, Zhaohao Cai, Jing Lin, Zili Liu

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Abstract

The direct conversion of furfural (FA) from biomass to pentanediols (PeDs), including 1,2-PeD and 1,5-PeD, is important for replacing fossil resources and developing bio-based polyesters from renewable sources. However, achieving high selectivity for the C–O hydrogenation of the furan ring remains a significant challenge. In this study, we synthesized a series of trimetallic CuCoLa catalysts, using a coprecipitation method with various metal ratios. The reduced CuCoLa catalyst with a metal ratio of 1/3/1, exhibited the highest activity for the selective hydrogenolysis of FA to PeDs. Under optimal reaction conditions (160 °C, 4 MPa H₂ for 9 h), CuCoLa(1/3/1)-R achieved yields of 21.7% for 1,2-PeD and 50.1% for 1,5-PeD. Furthermore, the catalyst remained stable after five cycles of FA conversion to PeDs. The high selectivity for PeDs is attributed to the synergistic interaction between Cu and Co and the appropriate number of basic surface sites.

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将糠醛直接加氢转化为戊二醇的高效 CuCoLa 催化剂

将生物质中的糠醛（FA）直接转化为戊二醇（PeDs），包括 1,2-戊二醇和 1,5-戊二醇，对于替代化石资源和利用可再生资源开发生物基聚酯非常重要。然而，实现呋喃环 C-O 氢化的高选择性仍然是一项重大挑战。在本研究中，我们采用共沉淀法，以不同的金属比例合成了一系列三金属 CuCoLa 催化剂。金属比为 1/3/1 的还原型 CuCoLa 催化剂在选择性氢解 FA 至 PeDs 的过程中表现出最高的活性。在最佳反应条件下（160 °C，4 兆帕 H2，9 小时），CuCoLa(1/3/1)-R 的 1,2-PeD 产率为 21.7%，1,5-PeD 产率为 50.1%。此外，该催化剂在经过五个 FA 向 PeDs 转化周期后仍然保持稳定。PeDs的高选择性归功于Cu和Co之间的协同作用以及适当数量的碱性表面位点。

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来源期刊

Catalysis Letters 化学-物理化学

CiteScore

5.70

自引率

3.60%

发文量

327

审稿时长

1 months

期刊介绍： Catalysis Letters aim is the rapid publication of outstanding and high-impact original research articles in catalysis. The scope of the journal covers a broad range of topics in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis. The high-quality original research articles published in Catalysis Letters are subject to rigorous peer review. Accepted papers are published online first and subsequently in print issues. All contributions must include a graphical abstract. Manuscripts should be written in English and the responsibility lies with the authors to ensure that they are grammatically and linguistically correct. Authors for whom English is not the working language are encouraged to consider using a professional language-editing service before submitting their manuscripts.