制备方法对CuZnAl-ZrO<sub>2</sub>双功能催化剂合成气制C<sub>4</sub>烃类性能的影响

瞿凡; 殷富; 魏宇学; 孙松; 王飞; 常强; 张成华

doi:10.12434/j.issn.2097-2547.20240492

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制备方法对CuZnAl-ZrO₂双功能催化剂合成气制C₄烃类性能的影响

C1化学与催化转化 | 更新时间：2025-09-26

- 制备方法对CuZnAl-ZrO₂双功能催化剂合成气制C₄烃类性能的影响
- Influences of preparation methods on performances of CuZnAl-ZrO₂ bifunctional catalysts for producing C₄ hydrocarbons from syngas
- 低碳化学与化工 2025, 50(9): 1-9.
- 作者机构：
  
  1.安徽大学化学化工学院，安徽合肥 230601
  2.中国科学院山西煤炭化学研究所，山西太原 030001
  3.中科合成油技术股份有限公司国家能源煤基液体燃料研发中心，北京 101407
- 作者简介：
  
  瞿凡（1999—），硕士研究生，研究方向为多相催化，E-mail：qf88882022@163.com。
  常强（1989—），博士，高级工程师，研究方向为多相催化，E-mail：changqiang12@mails.ucas.ac.cn；
  张成华（1975—），博士，教授级高级工程师，研究方向为多相催化，E-mail：zhangchh@sxicc.ac.cn。
- 基金信息：
  
  国家重点研发计划(2022YFB4101204);国家自然科学基金(22302219;22179001;22308001;21902001);安徽省高校杰出青年科研项目(2022AH020007);安徽省高校协同创新项目(GXXT-2023-009);安徽省高等学校自然科学基金(2023AH050114)
- DOI：10.12434/j.issn.2097-2547.20240492
  中图分类号： TQ426;O643.36
- 收稿日期：2024-12-13，
  
  修回日期：2025-01-12，
  
  纸质出版日期：2025-09-25
- 稿件说明：
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瞿凡,殷富,魏宇学等.制备方法对CuZnAl-ZrO₂双功能催化剂合成气制C₄烃类性能的影响[J].低碳化学与化工,2025,50(09):1-9.

QU Fan,YIN Fu,WEI Yuxue,et al.Influences of preparation methods on performances of CuZnAl-ZrO₂ bifunctional catalysts for producing C₄ hydrocarbons from syngas[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(09):1-9.
瞿凡,殷富,魏宇学等.制备方法对CuZnAl-ZrO₂双功能催化剂合成气制C₄烃类性能的影响[J].低碳化学与化工,2025,50(09):1-9. DOI： 10.12434/j.issn.2097-2547.20240492.

QU Fan,YIN Fu,WEI Yuxue,et al.Influences of preparation methods on performances of CuZnAl-ZrO₂ bifunctional catalysts for producing C₄ hydrocarbons from syngas[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(09):1-9. DOI： 10.12434/j.issn.2097-2547.20240492.

摘要

异构合成是由合成气（CO + H

）直接合成异丁烯和异丁烷的反应，目前该反应主要使用ZrO

基催化剂，但反应条件普遍较为苛刻，并且催化剂的CO转化率和C

烃类选择性均较低。为了解决单一ZrO

活化CO生成C1物种性能较弱的问题，对CuZnAl催化剂与ZrO

耦合形成的双功能催化剂进行了研究。分别以共沉淀法、浸渍法和物理混合法制备了双功能催化剂，并对其织构性质、氧化物质量分数和晶相结构等进行了表征。在合成气组成为

(CO):

) = 1:1、温度为260 ℃、压力为2 MPa和空速为6000 mL/(g·h)的条件下反应72 h评价了催化剂催化生成C

烃类的性能。结果表明，浸渍法所得CZA-ZrO

(im)的表面ZrO

与CuZnAl产生了强相互作用且表面酸碱性适宜，有利于在CuZnAl上生成CH

O*等物种，并在ZrO

作用下生成C

烃类异构体。CZA-ZrO

(im)的CO转化率、C

烃类选择性和C

烃类异构体在C

烃类中的占比（物质的量分数）分别为5.9%、15.1%和79.7%。

Abstract

Heterogeneous synthesis is the reaction for direct synthesis of isobutene and isobutane from syngas (CO + H

). Currently

the reaction is performed using ZrO

-based catalysts

but the reaction conditions are generally harsh and the catalysts have low CO conversion rate and C

hydrocarbon selectivity. In order to solve the problem of weak performance of CO activation to generate C1 species of single ZrO

the bifunctional catalyst

s formed by coupling CuZnAl catalyst with ZrO

were investigated. The bifunctional catalysts were prepared by co-precipitation

impregnation and physical mixing methods

respectively

and their texture properties

oxide mass fractions and crystalline phase structures were characterized. The performances of catalysts for production of C

hydrocarbons were evaluated under syngas composition of

(CO):

) = 1:1

temperature of 260 ℃

pressure of 2 MPa and space velocity of 6000 mL/(g·h) for 72 h. The results show that the surface ZrO

of CZA-ZrO

(im) obtained by impregnation method produced strong interaction with CuZnAl

and the surface of CZA-ZrO

(im) has suitable acidity and alkalinity

which were favorable for generating CH

O* species on CuZnAl

and generating C

hydrocarbon isomers under the action of ZrO

. The CO conversion rate

hydrocarbon selectivity and the proportion (mole fraction) of C

hydrocarbon isomers in C

hydrocarbons are 5.9%

15.1% and 79.7%

respectively.

关键词

Keywords

references

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DOI：10.12434/j.issn.2097-2547.20240492

摘要

Abstract

关键词

Keywords

references

制备方法对CuZnAl-ZrO₂双功能催化剂合成气制C₄烃类性能的影响

Influences of preparation methods on performances of CuZnAl-ZrO₂ bifunctional catalysts for producing C₄ hydrocarbons from syngas