Improvement of in-situ reduction of Cu/SiO<sub>2</sub> by aging treatment for enhancing reaction performance of furfural hydrogenation to furfuryl alcohol

GAO Wenwen; LIANG Yue; WANG Jinshan; WANG Kangjun

doi:10.12434/j.issn.2097-2547.20250225

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Improvement of in-situ reduction of Cu/SiO₂ by aging treatment for enhancing reaction performance of furfural hydrogenation to furfuryl alcohol

更新时间：2026-05-22

- Improvement of in-situ reduction of Cu/SiO₂ by aging treatment for enhancing reaction performance of furfural hydrogenation to furfuryl alcohol
- Vol. 51, Issue 5, Pages: 36-45(2026)
- 作者机构：
  
  沈阳化工大学化学工程学院，辽宁沈阳 110142
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20250225
  CLC： TQ426.8
- Received：08 May 2025，
  
  Revised：2025-05-28，
  
  Published：25 May 2026
- 稿件说明：
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高雯雯,梁越,王金山等.老化处理促进Cu/SiO₂原位还原增强糠醛加氢制糠醇反应性能[J].低碳化学与化工,2026,51(5):36-45. DOI: 10.12434/j.issn.2097-2547.20250225.

GAO Wenwen,LIANG Yue,WANG Jinshan,et al.Improvement of in-situ reduction of Cu/SiO₂ by aging treatment for enhancing reaction performance of furfural hydrogenation to furfuryl alcohol[J].Low-Carbon Chemistry and Chemical Engineering,2026,51(5):36-45. DOI: 10.12434/j.issn.2097-2547.20250225.
高雯雯,梁越,王金山等.老化处理促进Cu/SiO₂原位还原增强糠醛加氢制糠醇反应性能[J].低碳化学与化工,2026,51(5):36-45. DOI: 10.12434/j.issn.2097-2547.20250225. DOI：

GAO Wenwen,LIANG Yue,WANG Jinshan,et al.Improvement of in-situ reduction of Cu/SiO₂ by aging treatment for enhancing reaction performance of furfural hydrogenation to furfuryl alcohol[J].Low-Carbon Chemistry and Chemical Engineering,2026,51(5):36-45. DOI: 10.12434/j.issn.2097-2547.20250225. DOI：

摘要

将生物质衍生物糠醛通过选择加氢转化为糠醇是实现生物质资源转化利用的重要途径之一。Cu/SiO

催化剂是工业领域常用加氢催化剂，但其在糠醛加氢反应中仍存在催化活性不足的问题。采用共沉淀法制备了Cu/SiO

催化剂，然后分别在常温、60 ℃、80 ℃、100 ℃和120 ℃下进行老化处理，研究了老化温度对Cu/SiO

催化剂糠醛加氢制糠醇催化性能的影响，并分析了反应前后催化剂的结构变化情况。结果表明，在20 mL糠醛、催化剂用量为0.2 g、反应温度为180 ℃、反应压力为3.5 MPa和反应时间为2 h的最佳反应条件下，60 ℃下老化所得催化剂（Cu/SiO

(60)）表现出良好的催化性能，其糠醛转化率为99.0%，糠醇选择性为96.2%。适宜的老化温度（60 ℃）可有效促进Cu

物种在反应过程中原位还原为Cu

、Cu

物种，这有助于提高Cu物种分散性，减小Cu物种尺寸，从而提高催化剂催化性能。

Abstract

The selective hydrogenation of biomass-derived furfural to furfuryl alcohol is one of the important approaches for the conversion and utilization of biomass resources. Although Cu/SiO

catalysts are widely employed in industry for hydrogenation

their catalytic activity in furfural hydrogenation remains insufficient. A series of Cu/SiO

catalysts were prepared by co-precipitation method and then subjected to aging treatment at room temperature

60 ℃

80 ℃

100

℃ and 120 ℃

respectively. The effects of aging temperatures on catalytic performances of Cu/SiO

catalysts for furfural hydrogenation to furfuryl alcohol were investigated

and the variations of catalyst structures before and after reaction were analyzed. The results show that under the optimal reaction conditions of 20 mL furfural

0.2 g catalyst

reaction temperature of 180 ℃

reaction pressure of 3.5 MPa and reaction time of 2 h

the catalyst aged at 60 ℃ (Cu/SiO

(60)) exhibits excellent catalytic performance

achieving furfural conversion rate of 99.0% and furfuryl alcohol selectivity of 96.2%. The appropriate aging temperature (60 ℃) can promote the in-situ reduction of Cu

species to active Cu

and Cu

species during reaction process effectively

which can enhance the dispersion of Cu species and reduce their particle sizes

thereby significantly improving the catalytic performance of catalyst.

关键词

Keywords

references

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Improvement of in-situ reduction of Cu/SiO2 by aging treatment for enhancing reaction performance of furfural hydrogenation to furfuryl alcohol

DOI：10.12434/j.issn.2097-2547.20250225

摘要

Abstract

关键词

Keywords

references

Improvement of in-situ reduction of Cu/SiO₂ by aging treatment for enhancing reaction performance of furfural hydrogenation to furfuryl alcohol