Study on catalytic performances of Ni-modified Cu/SiO<sub>2</sub> for hydrogenation of dimethyl oxalate to methyl glycolate

LIU Zonghai; JIANG Yike; YUAN Man; HE Jianlong; YAN Jie

doi:10.12434/j.issn.2097-2547.20250316

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Study on catalytic performances of Ni-modified Cu/SiO₂ for hydrogenation of dimethyl oxalate to methyl glycolate

更新时间：2026-01-30

- Study on catalytic performances of Ni-modified Cu/SiO₂ for hydrogenation of dimethyl oxalate to methyl glycolate
- Pages: 1-5(2026)
- 作者机构：
  
  河南能源集团研究总院有限公司，河南郑州 473500
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20250316
  CLC： TQ22
- Received：22 July 2025，
  
  Revised：2025-08-22，
  
  Published Online：26 January 2026，
- 稿件说明：
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刘宗海,姜伊科,袁满等.Ni改性Cu/SiO₂催化草酸二甲酯加氢制乙醇酸甲酯性能研究[J].低碳化学与化工,

LIU Zonghai,JIANG Yike,YUAN Man,et al.Study on catalytic performances of Ni-modified Cu/SiO₂ for hydrogenation of dimethyl oxalate to methyl glycolate[J].Low-Carbon Chemistry and Chemical Engineering,
刘宗海,姜伊科,袁满等.Ni改性Cu/SiO₂催化草酸二甲酯加氢制乙醇酸甲酯性能研究[J].低碳化学与化工, DOI：10.12434/j.issn.2097-2547.20250316.

LIU Zonghai,JIANG Yike,YUAN Man,et al.Study on catalytic performances of Ni-modified Cu/SiO₂ for hydrogenation of dimethyl oxalate to methyl glycolate[J].Low-Carbon Chemistry and Chemical Engineering, DOI：10.12434/j.issn.2097-2547.20250316.

摘要

草酸二甲酯（DMO）加氢制乙醇酸甲酯（MG）具有环境友好、MG产率较高等优点。为优化DMO加氢制MG催化剂的结构与催化性能，采用同步蒸氨法制备了一系列不同NiO质量分数的Ni改性Cu/SiO

，并利用N

物理吸/脱附、XRD和H

-TPR对催化剂进行了表征。在固定床微型反应装置上评价了催化剂的催化性能。结果表明，NiO质量分数对催化剂的织构性质无明显影响。在反应温度为210 ℃、压力为2 MPa和

(DMO) = 100的条件下，NiO质量分数为10%的10Ni-Cu/SiO

表现出较好的催化性能，其DMO转化率、MG选择性和MG产率分别为98.3%、95.4%和93.8%。此外，10Ni-Cu/SiO

具有良好的稳定性，其催化性能可在500 h内保持稳定。

Abstract

The hydrogenation of dimethyl oxalate (DMO) to methyl glycolate (MG) has the advantages of being environmentally friendly and having relatively high MG yield. To optimize the structure and catalytic performances of catalysts for hydrogenation of DMO to MG

a series of Ni-modified Cu/SiO

with different NiO mass fractions were prepared by synchronous ammonia evaporation method

and the catalysts were characterized

by N

physical adsorption/desorption

XRD and H

-TPR. The catalytic performances of the catalysts were evaluated on a fixed-bed micro-reaction device. The results show that the NiO mass fraction has no significant effect on the texture properties of the catalysts. Under the conditions of reaction temperature of 210 ℃

pressure of 2 MPa and

(DMO) = 100

10Ni-Cu/SiO

with NiO mass fraction of 10% exhibits good catalytic performance with DMO conversion rate of 98.3%

MG selectivity of 95.4% and MG yield of 93.8%

respectively. In addition

10Ni-Cu/SiO

has good stability

and its catalytic performance can remain stable within 500 h.

关键词

Keywords

references

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Study on catalytic performances of Ni-modified Cu/SiO2 for hydrogenation of dimethyl oxalate to methyl glycolate

DOI：10.12434/j.issn.2097-2547.20250316

摘要

Abstract

关键词

Keywords

references

Study on catalytic performances of Ni-modified Cu/SiO₂ for hydrogenation of dimethyl oxalate to methyl glycolate