CuNi双金属催化剂负载对糠醇加氢重排制环戊酮的影响

IF 2.4 4区生物学 Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Journal of chemical technology and biotechnology Pub Date : 2025-06-12 DOI:10.1002/jctb.7918

Zhihao Cao, Xinyue Zhao, Qi Yang, Wenjuan Zhou, Hao Xu, Yejun Guan, Peng Wu

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引用次数: 0

摘要

生物质衍生的糠醛和/或糠醇可持续合成环戊酮已引起碳中性工业的广泛关注。在这项研究中，我们研究了载体的结构性质和酸度对负载CuNi合金纳米颗粒（5 wt% -5 wt%）催化性能的影响。结果在SiO2和含al硅质材料（Al-MCM-41、MCM-22、USY-6、ZSM-5和H-Beta）上制备了尺寸约为16 nm的CuNi合金颗粒。总酸位数依次为5Cu5Ni/H-Beta (1.37 mmol g−1)> 5Cu5Ni/ZSM-5 (1.03 mmol g−1)> 5Cu5Ni/MCM-22 (0.87 mmol g−1)> 5Cu5Ni/USY-6 (0.70 mmol g−1)> 5Cu5Ni/Al2O3 (0.35 mmol g−1)> 5Cu5Ni/SiO2 （0.24 mmol g−1）。5Cu5Ni/ZSM-5中强酸位点最多，约为0.43 mmol g−1。催化试验表明，糠醇是比糠醛更有效的起始剂。当使用5 wt%的糠醇水溶液时，5Cu5Ni/H-Beta对环戊酮的选择性为67%，糠醇转化率几乎为100%。5Cu5Ni/H-Beta催化剂具有良好的可重复使用性。结论具有中酸性位点和较少强酸性位点（MCM-41、MCM-22、USY-6和h - β）的载体有利于糠醇串联合成环戊酮。©2025化学工业学会（SCI）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Influence of support of CuNi bimetal catalysts in the hydrogenative rearrangement of furfuryl alcohol to cyclopentanone

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Influence of support of CuNi bimetal catalysts in the hydrogenative rearrangement of furfuryl alcohol to cyclopentanone

BACKGROUND

The sustainable synthesis of cyclopentanone from biomass-derived furfural and/or furfuryl alcohol has attracted widespread attention in the carbon-neutral industry. In this study, we investigated the influence of support textural properties and acidity on the catalytic performance of supported CuNi alloy nanoparticles (5 wt%–5 wt%).

RESULTS

CuNi alloy particles with a size of approximately 16 nm were obtained on SiO₂ and Al-containing siliceous materials (Al-MCM-41, MCM-22, USY-6, ZSM-5 and H-Beta). The number of total acid sites follows the trend of 5Cu5Ni/H-Beta (1.37 mmol g⁻¹) > 5Cu5Ni/ZSM-5 (1.03 mmol g⁻¹) > 5Cu5Ni/MCM-22 (0.87 mmol g⁻¹) > 5Cu5Ni/USY-6 (0.70 mmol g⁻¹) > 5Cu5Ni/Al₂O₃ (0.35 mmol g⁻¹) > 5Cu5Ni/SiO₂ (0.24 mmol g⁻¹). 5Cu5Ni/ZSM-5 shows the largest amount of strong acid sites with ca 0.43 mmol g⁻¹. Catalytic tests indicated that furfuryl alcohol is a more effective starting reagent for this process than furfural. When an aqueous solution of furfuryl alcohol (5 wt%) was used, 5Cu5Ni/H-Beta exhibited 67% selectivity for cyclopentanone with almost 100% furfuryl alcohol conversion. Moreover, the 5Cu5Ni/H-Beta catalyst exhibited good reusability.

CONCLUSION

Supports with moderately acidic sites and fewer strongly acidic sites (MCM-41, MCM-22, USY-6 and H-Beta) favored the tandem synthesis of cyclopentanone from furfuryl alcohol. © 2025 Society of Chemical Industry (SCI).

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来源期刊

Journal of chemical technology and biotechnology 工程技术-工程：化工

CiteScore

7.00

自引率

5.90%

发文量

268

审稿时长

1.7 months

期刊介绍： Journal of Chemical Technology and Biotechnology(JCTB) is an international, inter-disciplinary peer-reviewed journal concerned with the application of scientific discoveries and advancements in chemical and biological technology that aim towards economically and environmentally sustainable industrial processes.