Effects of CO<inline-formula><alternatives><math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M2"><msubsup><mrow/><mrow><mn mathvariant="normal">3</mn></mrow><mrow><mn mathvariant="normal">2</mn><mo>-</mo></mrow></msubsup></math><graphic specific-use="big" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="alternativeImage/AB013CF4-19EB-4fc0-938C-1CB8F9FCA4F3-M002.jpg"><?fx-imagestate width="2.62466669" height="5.58799982"?></graphic><graphic specific-use="small" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="alternativeImage/AB013CF4-19EB-4fc0-938C-1CB8F9FCA4F3-M002c.jpg"><?fx-imagestate width="2.62466669" height="5.58799982"?></graphic></alternatives></inline-formula> modification on catalytic performances for CO<sub>2</sub> hydrogenation of Ru/TiO<sub>2</sub> catalysts

ZHANG Jin; WANG Ruiyi

doi:10.12434/j.issn.2097-2547.20260033

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Effects of CO

3 2 -

modification on catalytic performances for CO₂ hydrogenation of Ru/TiO₂ catalysts

更新时间：2026-07-28

- Effects of CO $3 2 -$ modification on catalytic performances for CO₂ hydrogenation of Ru/TiO₂ catalysts
- Pages: 1-9(2026)
- 作者机构：
  
  1.山西科技学院化学工程学院，山西晋城 048011
  2.山西科技学院晋城市CO2能源及生物质能源高效转化利用研发技术创新中心，山西晋城 048011
  3.中国科学院山西煤炭化学研究所煤炭高效低碳利用全国重点实验室，山西太原 030001
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20260033
  CLC： TQ426;TQ211
- Received：20 January 2026，
  
  Revised：2026-03-04，
  
  Online First：27 July 2026，
- 稿件说明：
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张晋,王瑞义.CO32-修饰对Ru/TiO₂催化剂CO₂加氢催化性能的影响[J].低碳化学与化工,DOI:10.12434/j.issn.2097-2547.20260033.

ZHANG Jin,WANG Ruiyi.Effects of CO32- modification on catalytic performances for CO₂ hydrogenation of Ru/TiO₂ catalysts[J].Low-Carbon Chemistry and Chemical Engineering,DOI:10.12434/j.issn.2097-2547.20260033.
张晋,王瑞义.CO32-修饰对Ru/TiO₂催化剂CO₂加氢催化性能的影响[J].低碳化学与化工,DOI:10.12434/j.issn.2097-2547.20260033. DOI：

ZHANG Jin,WANG Ruiyi.Effects of CO32- modification on catalytic performances for CO₂ hydrogenation of Ru/TiO₂ catalysts[J].Low-Carbon Chemistry and Chemical Engineering,DOI:10.12434/j.issn.2097-2547.20260033. DOI：

Effects of CO

3 2 -

modification on catalytic performances for CO₂ hydrogenation of Ru/TiO₂ catalysts

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摘要

精准调控CO

加氢反应路径以实现目标产物高选择性合成，是能源转化领域极具价值但富有挑战性的研究课题。为系统研究CO

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修饰对金属催化剂CO

加氢催化性能的调控效应，通过浸渍法合成了不同浓度CO

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修饰的Ru/TiO

催化剂，并采用XRD、XPS和TEM等表征技术以及密度泛函理论（DFT）计算，探究了CO

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修饰Ru/TiO

催化剂结构，并分析了CO

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的作用位点和CO

加氢反应历程。结果表明，300 ℃下未修饰的Ru/TiO

-0在CO

加氢反应中催化活性较低（CO

转化率为3.4%），产物以CO为主（CO选择性为97.9%）。而CO

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修饰的Ru/TiO

-3的CO

转化率达17.8%，同时CH

选择性达为96.8%。这是因为CO

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增大了Ru活性位点的电子密度，同时提高了Ru活性位点对CO中间体的吸附性能，从而促进了CO

活化，优化了反应路径，最终实现CO

高选择性、高转化率加氢。

Abstract

Precisely regulating the CO

hydrogenation pathways to achieve high selective synthesis of target products is a highly valuable and challenging research topic in the field of energy conversion. To investigate the regulatory effects of CO

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modification on the catalytic performances for CO

hydrogenation of metal catalysts

Ru/TiO

catalysts modified with different concentrations of CO

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were synthesized by impregnation method. Characterization techniques such as XRD

XPS and TEM and density functional theory (DFT) calculations were used to characterize the structures of Ru/TiO

catalysts with CO

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modification

and the action sites of CO

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and reaction processes of CO

hydrogenation were analyzed. The results show that the Ru/TiO

-0 without modification exhibits low catalytic activity in CO

hydrogenation reaction at 300 ℃ (CO

conversion rate of 3.4%)

with CO as the main product (CO selectivity of 97.9%). The CO

conversion rate of Ru/TiO

-3 with CO

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modification increases to 17.8%

and CH

selectivity increases to 96.8%. This is because the CO

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increases the electron density of Ru active sites and enhances the adsorption performance for CO intermediates of Ru active sites

thereby promoting CO

activation and optimizing reaction pathways

and ultimately achieving high selectivity and conversion rate of CO

hydrogenation.

关键词

Keywords

references

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⁰

Effects of CO32- modification on catalytic performances for CO2 hydrogenation of Ru/TiO2 catalysts

DOI：10.12434/j.issn.2097-2547.20260033

摘要

Abstract

关键词

Keywords

references

Effects of CO $3 2 -$ modification on catalytic performances for CO₂ hydrogenation of Ru/TiO₂ catalysts