Effects of calcination temperature on catalytic performance of Ru/CeO<sub>2</sub> catalysts for hydrogen production by high flux steam reforming of methanol

LI Jiaqi; LIU Mingxin; CHU Qirui; YIN Yangkai; SUN Liangyi; ZHAO Guangfu; ZHANG Na; ZHANG Lei

doi:10.12434/j.issn.2097-2547.20240285

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Effects of calcination temperature on catalytic performance of Ru/CeO₂ catalysts for hydrogen production by high flux steam reforming of methanol

更新时间：2025-03-27

- Effects of calcination temperature on catalytic performance of Ru/CeO₂ catalysts for hydrogen production by high flux steam reforming of methanol
- Vol. 50, Issue 3, Pages: 23-29(2025)
- 作者机构：
  
  1.辽宁石油化工大学石油化工学院，辽宁抚顺 113001
  2.抚顺职业技术学院化学工程系，辽宁抚顺 113122
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20240285
  CLC： TQ116.2
- Received：03 July 2024，
  
  Revised：20 August 2024，
  
  Published：25 March 2025
- 稿件说明：
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李佳祺,刘明新,初奇瑞等.焙烧温度对Ru/CeO₂催化剂在高通量甲醇水蒸气重整制氢反应中催化性能的影响[J].低碳化学与化工,2025,50(03):23-29.

LI Jiaqi,LIU Mingxin,CHU Qirui,et al.Effects of calcination temperature on catalytic performance of Ru/CeO₂ catalysts for hydrogen production by high flux steam reforming of methanol[J].Low-carbon Chemistry and Chemical Engineering,2025,50(03):23-29.
李佳祺,刘明新,初奇瑞等.焙烧温度对Ru/CeO₂催化剂在高通量甲醇水蒸气重整制氢反应中催化性能的影响[J].低碳化学与化工,2025,50(03):23-29. DOI： 10.12434/j.issn.2097-2547.20240285.

LI Jiaqi,LIU Mingxin,CHU Qirui,et al.Effects of calcination temperature on catalytic performance of Ru/CeO₂ catalysts for hydrogen production by high flux steam reforming of methanol[J].Low-carbon Chemistry and Chemical Engineering,2025,50(03):23-29. DOI： 10.12434/j.issn.2097-2547.20240285.

摘要

高效催化剂的研制是高通量甲醇水蒸气重整制氢反应的关键技术之一。以RuCl

为原料、CeO

为载体，采用沉积-沉淀法制备了Ru/CeO

催化剂，通过XRD、N

吸/脱附、H

-TPR和XPS等对催化剂性质进行了分析，并考察了焙烧温度对催化剂在高通量甲醇水蒸气重整制氢反应中催化性能的影响。结果表明，随焙烧温度的升高，RuO

物种的还原性能先变强后变弱，表面氧空位相对含量先升高后降低。其中，Ru/CeO

-500催化剂中RuO

物种的还原性能较强，催化剂表面氧空位相对含量较高，催化活性较好。在反应温度为420 ℃、水醇物质的量比为1.2:1.0和甲醇水质量空速为6.0 h

-1

的条件下，Ru/CeO

-500催化剂的甲醇转化率为91.8%。

Abstract

The development of high efficiency catalyst is one of the key technologies of hydrogen production by high flux steam reforming of methanol. Using RuCl

as raw material and CeO

as support

Ru/CeO

catalysts were prepared by deposition-precipitation method. The properties of the catalysts were analyzed by XRD

adsorption/desorption

-TPR and XPS

and the effect of calcination temperature on the catalytic performance of the catalysts in high flux steam reforming of methanol for hydrogen production was investigated. The results show that with the increase of calcination temperature

the reducing performance of RuO

species increases first and then decreases

and the surface oxygen vacancy relative content increases first and then decreases. Among them

RuO

species in Ru/CeO

-500 catalyst have stronger reducing performance

higher surface oxygen vacancy relative content on the catalyst surface

and bett

er catalytic activity. The methanol conversion rate of Ru/CeO

-500 catalyst is 91.8% under the conditions of reaction temperature of 420 ℃

mole ratio of water and alcohol of 1.2:1.0 and weight hourly space velocity of methanol and water of 6.0 h

-1

关键词

Keywords

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Effects of calcination temperature on catalytic performance of Ru/CeO2 catalysts for hydrogen production by high flux steam reforming of methanol

DOI：10.12434/j.issn.2097-2547.20240285

摘要

Abstract

关键词

Keywords

references

Effects of calcination temperature on catalytic performance of Ru/CeO₂ catalysts for hydrogen production by high flux steam reforming of methanol