Study on catalytic performances of Al<sup>3+</sup> and Ga<sup>3+</sup> co-doping CuZn catalysts for syngas to higher alcohols

TIAN Min; TIAN Xing; LI Shirong; WANG Feng; HUANG Wei

doi:10.12434/j.issn.2097-2547.20250261

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Study on catalytic performances of Al³⁺ and Ga³⁺ co-doping CuZn catalysts for syngas to higher alcohols

更新时间：2026-05-22

- Study on catalytic performances of Al³⁺ and Ga³⁺ co-doping CuZn catalysts for syngas to higher alcohols
- Vol. 51, Issue 5, Pages: 9-18(2026)
- 作者机构：
  
  1.太原工业学院化学与化工系，山西太原 030008
  2.延安大学生命科学学院陕西省黄土高原应用生态重点实验室，陕西延安 716000
  3.太原理工大学化学与化工学院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
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20250261
  CLC： TQ426;TQ223.1
- Received：09 June 2025，
  
  Revised：2025-07-28，
  
  Published：25 May 2026
- 稿件说明：
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田敏,田星,李时荣等.Al³⁺和Ga³⁺共掺杂CuZn催化剂催化合成气制低碳醇性能研究[J].低碳化学与化工,2026,51(5):9-18.

TIAN Min,TIAN Xing,LI Shirong,et al.Study on catalytic performances of Al³⁺ and Ga³⁺ co-doping CuZn catalysts for syngas to higher alcohols[J].Low-Carbon Chemistry and Chemical Engineering,2026,51(5):9-18.
田敏,田星,李时荣等.Al³⁺和Ga³⁺共掺杂CuZn催化剂催化合成气制低碳醇性能研究[J].低碳化学与化工,2026,51(5):9-18. DOI： 10.12434/j.issn.2097-2547.20250261.

TIAN Min,TIAN Xing,LI Shirong,et al.Study on catalytic performances of Al³⁺ and Ga³⁺ co-doping CuZn catalysts for syngas to higher alcohols[J].Low-Carbon Chemistry and Chemical Engineering,2026,51(5):9-18. DOI： 10.12434/j.issn.2097-2547.20250261.

摘要

随着化石燃料储量的不断减少、油价的持续攀升以及环境问题的日益严重，人们对替代能源展开了深入研究。Cu基催化剂是合成气直接制低碳醇（C

醇，简写为“C

醇”）的重要催化剂之一，但存在甲醇占比较高、乙醇和C

醇占比较低的问题。采用完全液相法制备了一系列不同

(Al):

(Ga)的CuZn催化剂（CuZnAlGa），采用XRD、N

吸/脱附和H

-TPR等方法对催化剂的物相组成、织构性质和还原性等进行了表征，并在浆态床反应器中进行了合成气加氢制C

醇反应，分析了CuZnAlGa的催化性能。结果表明，

(Al):

(Ga) = 1:2时，催化剂表面氧空位含量最高，表现出最佳的催化性能。在553 K、4.0 MPa和

(CO) = 2:1条件下反应168 h，CO转化率达11.54%，乙醇和C

醇在总醇中的占比（物质的量分数）分别为71.25%和86.88%。

Abstract

With the continuous reduction of fossil fuel reserves

continuous rise of oil prices and increasingly serious environmental problems

people have conducted in-depth research on alternative energy sources. Cu-based catalysts are one of the most important catalysts for the direct conversion of syngas to higher alcohols (C

alcohols

abbreviated as “C

alcohols”). However

there is a problem of high proportion of methanol and low proportions of ethanol and C

alcohols. A series of CuZn catalysts with varying

(Al):

(Ga) (CuZnAlGa) were synthesized by complete liquid-phase method. Properties such as phase compositions

textural properties and reducibilities were characterized by XRD

adsorption/desorption

-TPR

etc. The syngas hydrogenation to C

alcohols was carried out in a slurry bed reactor

and catalytic performances of CuZnAlGa were analyzed. The results show that the catalyst with

(Al):

(Ga) = 1:2 has the highest oxygen vacancy content and shows the best catalytic performance. After reacting for 168 h under the reaction conditions of 553 K

4.0 MPa and

(CO) = 2:1

the CO conversion rate reaches 11.54%

and the proportions (mole fractions) of ethanol and C

alcohols in the total alcohol are 71.25% and 86.88%

respectively.

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references

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Key Laboratory of Coal Science and Technology of Education and Shanxi Province, Taiyuan University of Technology

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State Key Laboratory of Clean and Efficient Coal Utilization, Taiyuan University of Technology

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Study on catalytic performances of Al3+ and Ga3+ co-doping CuZn catalysts for syngas to higher alcohols

DOI：10.12434/j.issn.2097-2547.20250261

摘要

Abstract

关键词

Keywords

references

Study on catalytic performances of Al³⁺ and Ga³⁺ co-doping CuZn catalysts for syngas to higher alcohols