Ce掺杂对CuZnAl催化剂CO<sub>2</sub>加氢合成甲醇催化性能的影响

李炆轩; 王斌; 李晶; 郭建平; 温月丽; 黄伟

doi:10.12434/j.issn.2097-2547.20240471

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Ce掺杂对CuZnAl催化剂CO₂加氢合成甲醇催化性能的影响

C1化学与催化转化 | 更新时间：2025-07-30

- Ce掺杂对CuZnAl催化剂CO₂加氢合成甲醇催化性能的影响
- Effect of Ce-doped CuZnAl catalyst on catalytic performances of CO₂ hydrogenation to methanol
- 低碳化学与化工 2025, 50(7): 1-9.
- 作者机构：
  
  1.太原理工大学环境与生态学院，山西太原 030024
  2.太原理工大学省部共建煤基能源清洁高效利用国家重点实验室，山西太原 030024
  3.怀俄明大学工程与物理科学学院和能源学院，怀俄明拉勒米 82071
  4.山西允博环保新技术有限公司，山西太原 030024
  5.北京建筑材料科学研究总院有限公司，北京 100041
  6.太原理工大学煤炭转化技术工程有限公司，山西太原 030024
- 作者简介：
  
  李炆轩（1999—），硕士研究生，研究方向为CO2催化转化，E-mail：2969317812@qq.com。
  温月丽（1979—），博士，副教授，研究方向为CO2催化转化，E-mail：wenyueli@tyut.edu.cn；
  黄伟（1962—），博士，教授，研究方向为碳一化学与多相催化，E-mail：huangwei@tyut.edu.cn。
- 基金信息：
  
  北京建筑材料科学研究总院有限公司企业横向项目(18005059-ZS02-2022-0041)
- DOI：10.12434/j.issn.2097-2547.20240471
  中图分类号： TQ426;TQ223.1
- 收稿日期：2024-11-28，
  
  修回日期：2025-01-02，
  
  纸质出版日期：2025-07-25
- 稿件说明：
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李炆轩,王斌,李晶等.Ce掺杂对CuZnAl催化剂CO₂加氢合成甲醇催化性能的影响[J].低碳化学与化工,2025,50(07):1-9.

LI Wenxuan,WANG Bin,LI Jing,et al.Effect of Ce-doped CuZnAl catalyst on catalytic performances of CO₂ hydrogenation to methanol[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(07):1-9.
李炆轩,王斌,李晶等.Ce掺杂对CuZnAl催化剂CO₂加氢合成甲醇催化性能的影响[J].低碳化学与化工,2025,50(07):1-9. DOI： 10.12434/j.issn.2097-2547.20240471.

LI Wenxuan,WANG Bin,LI Jing,et al.Effect of Ce-doped CuZnAl catalyst on catalytic performances of CO₂ hydrogenation to methanol[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(07):1-9. DOI： 10.12434/j.issn.2097-2547.20240471.

摘要

化石燃料利用造成了大量CO

排放，引发一系列环境问题。通过CuZnAl催化剂热催化CO

转化为甲醇是一种有效的CO

减排方式，但该催化剂的催化性能还有很大的提升空间。采用原位共沉淀法制备了不同Ce掺杂量（质量分数）的CZACe

催化剂，浸渍法制备了CZA-5%Ce，并考察了不同Ce掺杂方法对催化剂物化性质的影响。结合XRD、N

吸/脱附、H

-TPR和XPS等对催化剂的物化性质和Ce的作用机理进行了探究。结果表明，Ce掺杂能够为催化剂提供丰富的氧空位，氧空位能够有效促进CO

转化，提高CO

转化率。不同掺杂方式制得的催化剂织构性质和Ce作用形式存在明显差异，浸渍法掺杂Ce可增强Ce物种与Cu物种间的相互作用，更有利于氧空位和Ce

的形成，从而使CZA-5%Ce具有最佳的催化性能，在250 ℃、3 MPa和

(CO

) = 3:1的条件下，CZA-5%Ce的CO

转化率为15.63%，甲醇选择性为36.35%，甲醇时空收率为83.35 mg/(mL·h)。

Abstract

A large amount of carbon dioxide emissions caused by the use of fossil fuels have caused a series of environmental problems. Therefore

the thermal catalytic conversion of CO

to methanol by CuZnAl catalyst is a effective way to reduce CO

emission

but the catalytic performance of the catalyst still needs to be improved. CZACe

catalysts with different Ce doping amounts (mass fraction) were prepared by in situ co-precipitation method

and CZA-5%Ce was prepared by impregnation method. The effects of different Ce doping methods on the physicochemical properties of the catalysts were studied. The physicochemical of the catalyst and the mechanism of Ce were investigated by XRD

adsorption/desorption

-TPR and XPS. The results show that Ce doping can provide abundant oxygen vacancies

which can effectively promote CO

conversion and improve CO

conversion rate. Different doping methods lead to significant differences in the internal texture properties and Ce interaction forms of catalysts. Doping Ce by impregnation method can enhance the interaction between Ce species and Cu species

which is more conducive to the formation of oxygen vacancies and Ce

so that CZA-5%Ce has the best catalytic performance. Under the conditions of 250 ℃

3 MPa and

(CO

) = 3:1

the CO

conversion rate

methanol selectivity and methanol space-time yield of CZA-5%Ce is 15.63%

36.35% and 83.35 mg/(mL·h)

respectively.

关键词

Keywords

references

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Ce掺杂对CuZnAl催化剂CO2加氢合成甲醇催化性能的影响

Effect of Ce-doped CuZnAl catalyst on catalytic performances of CO2 hydrogenation to methanol

DOI：10.12434/j.issn.2097-2547.20240471

摘要

Abstract

关键词

Keywords

references

Ce掺杂对CuZnAl催化剂CO₂加氢合成甲醇催化性能的影响

Effect of Ce-doped CuZnAl catalyst on catalytic performances of CO₂ hydrogenation to methanol