Effects of calcination temperatures on catalytic performances of Ni-ZrO<sub>2</sub> catalysts for methane dry reforming

WANG Nan; LI Dezheng; LIU Xiaohao

doi:10.12434/j.issn.2097-2547.20260145

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Effects of calcination temperatures on catalytic performances of Ni-ZrO₂ catalysts for methane dry reforming

更新时间：2026-07-08

- Effects of calcination temperatures on catalytic performances of Ni-ZrO₂ catalysts for methane dry reforming
- Pages: 1-10(2026)
- 作者机构：
  
  江南大学化学与材料工程学院，江苏无锡 214122
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20260145
  CLC： TQ426
- Received：29 March 2026，
  
  Revised：2026-04-23，
  
  Online First：06 July 2026，
- 稿件说明：
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王楠,李德正,刘小浩.煅烧温度对Ni-ZrO₂催化剂甲烷干重整反应催化性能的影响[J].低碳化学与化工,DOI:10.12434/j.issn.2097-2547.20260145.

WANG Nan,LI Dezheng,LIU Xiaohao.Effects of calcination temperatures on catalytic performances of Ni-ZrO₂ catalysts for methane dry reforming[J].Low-Carbon Chemistry and Chemical Engineering,DOI:10.12434/j.issn.2097-2547.20260145.
王楠,李德正,刘小浩.煅烧温度对Ni-ZrO₂催化剂甲烷干重整反应催化性能的影响[J].低碳化学与化工,DOI:10.12434/j.issn.2097-2547.20260145. DOI：

WANG Nan,LI Dezheng,LIU Xiaohao.Effects of calcination temperatures on catalytic performances of Ni-ZrO₂ catalysts for methane dry reforming[J].Low-Carbon Chemistry and Chemical Engineering,DOI:10.12434/j.issn.2097-2547.20260145. DOI：

摘要

甲烷干重整（DRM）可将CH

和CO

转化为合成气，实现温室气体资源化利用并缓解能源危机。Ni-ZrO

催化剂因活性高、成本低被大量应用于催化DRM反应。其中，煅烧温度作为催化剂制备关键参数，直接影响其结构与催化性能。首先采用共沉淀法制备了不同煅烧温度（700 °C、800 °C和900 °C）的Ni-ZrO

催化剂，采用XRD、TEM和H

-TPR等方法对催化剂进行了表征，筛选了最优煅烧温度，明确了煅烧温度对Ni-ZrO

催化剂结构及DRM反应催化性能的影响。结果表明，800 ℃下煅烧可以构建适中的Ni-ZrO

相互作用，更重要的是800 ℃下煅烧可以构造

-ZrO

混相异质界面以均匀锚定Ni纳米颗粒。在800 °C、常压和空速36000 mL/(g·h)空速条件下反应25 h，Ni-ZrO

-800作用下CO

和CH

转化率分别达到88%和81%，且该催化剂保持较高活性和稳定性。相比之下，Ni-ZrO

-700和Ni-ZrO

-900则表现出较低的活性和稳定性，这是由于锚定Ni物种的异质界面位点不足，以及Ni物种被过度包覆。因此，在800 °C的最优煅烧温度下，通过构建混相异质界面及适中金属-载体相互作用，可提升催化剂催化活性与稳定性。本研究可为后续Ni-ZrO

催化剂制备工艺优化及工业化应用提供理论支撑。

Abstract

Methane dry reforming (DRM) can convert CH

and CO

into syngas

realizing the resource utilization of greenhouse gases and alleviating the energy crisis. Ni-ZrO

catalysts have been extensively used in DRM reaction owing to their high activity and low cost. Calcination temperatures

as a key preparation parameter

directly affect the structures and catalytic performances of catalysts. Ni-ZrO

catalysts with different calcination temperatures (700 ℃

800 ℃ and 900 ℃) were prepared by coprecipitation method

and characterized by methods such as XRD

TEM

and H

-TPR. The optimal ca

lcination temperature was selected and the effects of calcination temperatures on the structures of Ni-ZrO

catalysts and their catalytic performances for DRM reaction were clarified. The results show that under the calcination temperature of 800 ℃

moderate Ni-ZrO

interactions are constructed

and more importantly

-ZrO

mixed phase heterointerfaces to uniformly anchor Ni nanoparticles are constructed. Under the conditions of 800 ℃

atmospheric pressure and a space velocity of 36000 mL/(g·h) for 25 hours

the CO

and CH

conversion rates achieve 88% and 81%

respectively

with Ni-ZrO

-800

and this catalyst maintains high activity and stability. In contrast

Ni-ZrO

-700 and Ni-ZrO

-900 exhibit low activity and stability

which is attributed to the insufficient heterointerface sites for anchoring Ni species and the excessive encapsulation of Ni species. Therefore

at the optimal calcination temperature of 800 ℃

the catalytic activity and stability of catalysts can be improved by constructing a mixed phase heterogeneous interface and moderate metal-support interactions. This study can provide theoretical support for the optimization of the preparation process and industrial application of Ni-ZrO

catalysts in the future.

关键词

Keywords

references

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⁰

Effects of calcination temperatures on catalytic performances of Ni-ZrO2 catalysts for methane dry reforming

DOI：10.12434/j.issn.2097-2547.20260145

摘要

Abstract

关键词

Keywords

references

Effects of calcination temperatures on catalytic performances of Ni-ZrO₂ catalysts for methane dry reforming