载体形貌对Cu/SiO<sub>2</sub>催化草酸二甲酯加氢制乙二醇反应稳定性的影响

谢冬民; 方松; 陈柳云; 徐超; 肖本端; 苏通明; 秦祖赠

doi:10.12434/j.issn.2097-2547.20250276

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载体形貌对Cu/SiO₂催化草酸二甲酯加氢制乙二醇反应稳定性的影响

低碳分子转化合成 | 更新时间：2026-06-25

- 载体形貌对Cu/SiO₂催化草酸二甲酯加氢制乙二醇反应稳定性的影响
- Effects of support morphologies on stability of Cu/SiO₂ for catalytic hydrogenation of dimethyl oxalate to ethylene glycol
- 低碳化学与化工 2026, 51(6): 52-64.
- 作者机构：
  
  1.广西大学化学化工学院，广西南宁 530004
  2.广西华谊能源化工有限公司，广西钦州 535008
- 作者简介：
  
  谢冬民（1996—），硕士研究生，研究方向为草酸二甲酯催化加氢制乙二醇，E-mail：xiedongmin30@163.com。
  苏通明（1988—），博士，副教授，研究方向为多相催化，E-mail：sutm@gxu.edu.cn；
  秦祖赠（1978—），博士，教授，研究方向为工业催化，E-mail：qinzuzeng@gxu.edu.cn。
- 基金信息：
  
  广西科技重大专项项目(桂科AA23062018)
- DOI：10.12434/j.issn.2097-2547.20250276
  中图分类号： TQ225.24;TQ426
- 收稿：2025-06-17，
  
  修回：2025-07-16，
  
  纸质出版：2026-06-25
- 稿件说明：
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谢冬民,方松,陈柳云等.载体形貌对Cu/SiO₂催化草酸二甲酯加氢制乙二醇反应稳定性的影响[J].低碳化学与化工,2026,51(6):52-64. DOI: 10.12434/j.issn.2097-2547.20250276.

XIE Dongmin,FANG Song,CHEN Liuyun,et al.Effects of support morphologies on stability of Cu/SiO₂ for catalytic hydrogenation of dimethyl oxalate to ethylene glycol[J].Low-Carbon Chemistry and Chemical Engineering,2026,51(6):52-64. DOI: 10.12434/j.issn.2097-2547.20250276.
谢冬民,方松,陈柳云等.载体形貌对Cu/SiO₂催化草酸二甲酯加氢制乙二醇反应稳定性的影响[J].低碳化学与化工,2026,51(6):52-64. DOI: 10.12434/j.issn.2097-2547.20250276. DOI：

XIE Dongmin,FANG Song,CHEN Liuyun,et al.Effects of support morphologies on stability of Cu/SiO₂ for catalytic hydrogenation of dimethyl oxalate to ethylene glycol[J].Low-Carbon Chemistry and Chemical Engineering,2026,51(6):52-64. DOI: 10.12434/j.issn.2097-2547.20250276. DOI：

摘要

草酸二甲酯（DMO）加氢反应是制备乙二醇（EG）的一条兼具经济性与技术性的绿色路线。采用水热法制备了纳米颗粒状、块状以及球状SiO

载体并以此为载体制备了Cu基催化剂，探究了载体形貌对Cu/SiO

催化DMO加氢反应稳定性的影响。采用XRD、SEM、XPS和H

-TPR等对催化剂物化性质进行了分析。结果表明，Cu/SiO

的稳定性受SiO

载体形貌影响。反应70 h后，Cu/SiO

-N（N代表纳米颗粒状）的DMO转化率和EG选择性分别达到98.4%和89.5%，没有出现明显的失活。与块状和球状SiO

负载的催化剂以及商用催化剂相比，Cu/SiO

-N具有更高的稳定性。稳定性提高主要归因于Cu/SiO

-N的Cu

与Cu

相对含量之比较大，抗积碳性能较好。

Abstract

The hydrogenation of dimethyl oxalate (DMO) to produce ethylene glycol (EG) is a green route that combines economic viability with technical feasibility. Nanoparticle-

bulk- and sphere-shaped SiO

supports were prepared by hydrothermal method for supporting Cu-based catalysts

aiming to investigate the effect of support morphologies on the stability of Cu/SiO

in DMO hydrogenation. The physicochemical properties of the catalysts were characterized by XRD

SEM

XPS

-TPR and so on. The results show that the stability of the Cu/SiO

catalyst is affected by the morphologies of the SiO

support. After 70 h of hydrogenation of DMO to EG

the DMO conversion rate and EG selectivity of the Cu/SiO

-N (N represents nanoparticle-shaped) catalyst still reaches 98.4% and 89.5%

respectively

without significant deactivation. Compared with the bulk- and sphere-shaped SiO

-supported catalysts

as well as commercial catalysts

the Cu/SiO

-N catalyst exhibits higher stability. The improvement in stability is mainly due to the higher relative content ratio of Cu

to Cu

and bet

ter anti-carbon deposition performance.

关键词

Keywords

references

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载体形貌对Cu/SiO2催化草酸二甲酯加氢制乙二醇反应稳定性的影响

Effects of support morphologies on stability of Cu/SiO2 for catalytic hydrogenation of dimethyl oxalate to ethylene glycol

DOI：10.12434/j.issn.2097-2547.20250276

摘要

Abstract

关键词

Keywords

references

载体形貌对Cu/SiO₂催化草酸二甲酯加氢制乙二醇反应稳定性的影响

Effects of support morphologies on stability of Cu/SiO₂ for catalytic hydrogenation of dimethyl oxalate to ethylene glycol