Influences of preparation methods and <italic style="font-style: italic">n</italic>(Cu):<italic style="font-style: italic">n</italic>(Fe) on catalytic performances of CuFe catalysts for CO<sub>2</sub> hydrogenation to C<sub>2+</sub> mixed alcohols

YAN Haijie; ZHANG Haitao; MA Hongfang; QIAN Weixin; YING Weiyong

doi:10.12434/j.issn.2097-2547.20260109

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Influences of preparation methods and n(Cu):n(Fe) on catalytic performances of CuFe catalysts for CO₂ hydrogenation to C₂₊ mixed alcohols

更新时间：2026-06-08

- Influences of preparation methods and n(Cu):n(Fe) on catalytic performances of CuFe catalysts for CO₂ hydrogenation to C₂₊ mixed alcohols
- Pages: 1-9(2026)
- 作者机构：
  
  1.华东理工大学化工学院大型工业反应器工程教育部工程研究中心，上海 200237
  2.华东理工大学煤液化气化及高效低碳利用全国重点实验室，上海 200237
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20260109
  CLC： TQ426
- Received：09 March 2026，
  
  Revised：2026-03-31，
  
  Online First：08 June 2026，
- 稿件说明：
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严海杰,张海涛,马宏方等.制备方法和n(Cu):n(Fe)对CuFe催化剂CO₂加氢制C₂₊混合醇性能的影响[J].低碳化学与化工,

YAN Haijie,ZHANG Haitao,MA Hongfang,et al.Influences of preparation methods and n(Cu):n(Fe) on catalytic performances of CuFe catalysts for CO₂ hydrogenation to C₂₊ mixed alcohols[J].Low-Carbon Chemistry and Chemical Engineering,
严海杰,张海涛,马宏方等.制备方法和n(Cu):n(Fe)对CuFe催化剂CO₂加氢制C₂₊混合醇性能的影响[J].低碳化学与化工, DOI：10.12434/j.issn.2097-2547.20260109.

YAN Haijie,ZHANG Haitao,MA Hongfang,et al.Influences of preparation methods and n(Cu):n(Fe) on catalytic performances of CuFe catalysts for CO₂ hydrogenation to C₂₊ mixed alcohols[J].Low-Carbon Chemistry and Chemical Engineering, DOI：10.12434/j.issn.2097-2547.20260109.

摘要

将二氧化碳（CO

）催化转化为高附加值的C

混合醇，是实现碳资源循环利用及缓解能源危机的有效途径。CuFe催化剂因其独特的CuFe位点协同作用在CO

加氢制C

混合醇反应中备受关注。分别采用尿素水解法和共沉淀法制备了不同

(Cu):

(Fe)的CuFe催化剂，结合XRD和N

吸/脱附等对催化剂结构进行了表征，并研究了催化剂在CO

加氢制C

混合醇反应中的催化性能。结果表明，相对于共沉淀法，尿素水解法能促进催化剂形成片层状结构，该结构有利于避免活性组分的团聚与烧结，并可增大催化剂的比表面积，暴露更多活性位点。在温度为300 ℃、压力为3.0 MPa和空速为3600 mL/(g·h)的条件下，采用尿素水解法制备的UH-3Cu1Fe（

(Cu):

(Fe) = 3:1）表现出最高的催化活性，其CO

转化率、CO选择性、总醇（MeOH + C

混合醇）选择性和C

混合醇分布（C

混合醇与总醇摩尔流量比）分别为26.01%、30.13%、25.44%和19.26%。

Abstract

Catalytic conversion of carbon dioxide (CO

) to high-value C

mixed alcohols represents an effective approach to achieve carbon resource recycling and mitigate the energy crisis. CuFe catalysts have garnered significant attention in the CO

hydrogenation to C

mixed alcohols reaction due to their unique synergistic effect of CuFe sites. CuFe catalysts with varying

(Cu):

(Fe) were prepared by urea hydrolysis and co-precipitation methods

respectively. The catalyst structures were characterized by XRD and N

adsorption/desorption

and their catalytic performances in CO

hydrogenation to C

mixed alcohols reaction were investigated. The results show that

compared to co-precipitation method

urea hydrolysis method facilitates the formation of a layered structure in the catalyst

which is beneficial for preventing agglomeration and sintering of active components. The structure can also increase the specific surface area of the catalyst and expose more active sites. Under the conditions of temperature of 300 ℃

pressure of 3.0 MPa and space velocity of 3600 mL/(g·h)

UH-3Cu1Fe (

(Cu):

(Fe) = 3:1) prepared by urea hydrolysis method exhibits the highest catalytic activity

with CO

conversion rate

CO selectivity

total alcohol (MeOH + C

mixed alcohols) selectivity and C

mixed alcohol distribution (molar flow rate of C

mixed alcohols to total alcohols) reaching 26.01%

30.13%

25.44% and 19.26%

respectively.

关键词

Keywords

references

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Influences of preparation methods and n(Cu):n(Fe) on catalytic performances of CuFe catalysts for CO2 hydrogenation to C2+ mixed alcohols

DOI：10.12434/j.issn.2097-2547.20260109

摘要

Abstract

关键词

Keywords

references

Influences of preparation methods and n(Cu):n(Fe) on catalytic performances of CuFe catalysts for CO₂ hydrogenation to C₂₊ mixed alcohols