Ni/ZrO2-Al2O3催化剂催化沼气蒸汽重整制氢性能研究

张中亮; 刘吉; 马宗虎; 胡锶菡; 冯冰; 胡斌; 李凯; 陆强

doi:10.12434/j.issn.2097-2547.20240070

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Ni/ZrO₂-Al₂O₃催化剂催化沼气蒸汽重整制氢性能研究

甲烷制氢

- Ni/ZrO₂-Al₂O₃催化剂催化沼气蒸汽重整制氢性能研究
- Study on catalytic performance of Ni/ZrO₂-Al₂O₃ catalyst in biogas steam reforming for hydrogen production
- 低碳化学与化工 2024, 49(9): 19-25.
- 作者机构：
  
  1.中国华电科工集团有限公司，北京 100711
  2.华北电力大学新能源发电国家工程研究中心，北京 102206
- 作者简介：
  
  张中亮（1979—），本科，高级工程师，研究方向为化学化工，E-mail：zhangzl@chec.com.cn。
  胡斌（1992—），博士，副教授，研究方向为生物质能、氢能及碳减排，E-mail：binhu@ncepu.edu.cn。
- 基金信息：
  
  国家自然科学基金(52276189;52376182);中国华电科工集团有限公司研发项目(CHEC.BE-ZQZQ-JS-2023-09)
- DOI：10.12434/j.issn.2097-2547.20240070
  中图分类号： TQ203.2
- 纸质出版日期：2024-09-25，
  
  收稿日期：2024-02-29，
  
  修回日期：2024-03-26，
- 稿件说明：
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张中亮,刘吉,马宗虎等.Ni/ZrO₂-Al₂O₃催化剂催化沼气蒸汽重整制氢性能研究[J].低碳化学与化工,2024,49(09):19-25.

ZHANG Zhongliang,LIU Ji,MA Zonghu,et al.Study on catalytic performance of Ni/ZrO₂-Al₂O₃ catalyst in biogas steam reforming for hydrogen production[J].Low-carbon Chemistry and Chemical Engineering,2024,49(09):19-25.
张中亮,刘吉,马宗虎等.Ni/ZrO₂-Al₂O₃催化剂催化沼气蒸汽重整制氢性能研究[J].低碳化学与化工,2024,49(09):19-25. DOI： 10.12434/j.issn.2097-2547.20240070.

ZHANG Zhongliang,LIU Ji,MA Zonghu,et al.Study on catalytic performance of Ni/ZrO₂-Al₂O₃ catalyst in biogas steam reforming for hydrogen production[J].Low-carbon Chemistry and Chemical Engineering,2024,49(09):19-25. DOI： 10.12434/j.issn.2097-2547.20240070.

摘要

沼气蒸汽重整是重要的制氢方式，开发高效稳定的催化剂是其规模化应用的重要环节。基于此，采用连续浸渍法制备了一系列基于ZrO

-Al

复合载体的Ni基催化剂，对其进行了沼气蒸汽重整制氢催化性能测试。利用N

吸/脱附、XRD等表征方法，分析了催化剂的织构性质、晶相组成等。探究了催化剂的物理结构和化学性质对沼气蒸汽重整制氢的影响机制，并探讨了焙烧温度与金属助剂Fe对催化剂催化性能的影响。结果表明，在700 °C、空速12000 h

-1

条件下，焙烧温度为550 °C制得的Ni/ZrO

-Al

表现出突出的催化性能，CH

转化率和H

产率分别稳定在89.94%和81.49%。ZrO

-Al

复合载体相比于Al

载体增大了催化剂的比表面积，促进了平均粒径较小的Ni在载体表面的高度分散，进而提高了催化剂的催化沼气蒸汽重整制氢性能。焙烧温度可以调控催化剂的比表面积和孔体积，焙烧温度为550 °C制得的Ni/ZrO

-Al

的比表面积和孔体积比焙烧温度为700 °C制得的Ni/ZrO

-Al

大。Fe与ZrO

的耦合改性提升了催化剂的还原性能，生成了更多高活性Ni

，有利于甲烷干重整制氢反应的发生，调控了气体产物中的

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=66536403&type=

3.30200005

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=66536416&type=

3.64066648

。

Abstract

Biogas steam reforming is one important way for hydrogen production

and the developm

ent of efficient and stable catalysts is the key for its large-scale application. Based on this

a series of Ni-based catalysts based on ZrO

-Al

composite support were prepared by continuous impregnation method

and the catalytic performances for hydrogen production by biogas steam reforming were tested. The texture properties and crystal phase compositions of catalysts were analyzed by characterization methods such as N

adsorption/desorption and XRD. The influence mechanisms of the physical structure and chemical properties of catalysts on their catalytic performances of biogas steam reforming for hydrogen production were studied. The effects of calcination temperatures and metal promotor Fe on the catalytic performances of catalysts were also discussed. The results show that Ni/ZrO

-Al

exhibits outstanding catalytic performance for hydrogen production at 700 ℃ and gas volume space velocity of 12000 h

-1

with CH

conversion rate of 89.94% and H

yield of 81.49%. Compared with Al

support

ZrO

-Al

composite support increases the specific surface area of catalysts

promotes the high dispersion of small particle size Ni on the surface of the support

and thus improves the catalytic performances of catalysts in biogas steam reforming for hydrogen production. The calcination temperature can regulate the specific surface area and pore volume of catalysts. The specific surface area and pore volume of Ni/ZrO

-Al

calcined at 550 ℃ are larger than those of Ni/ZrO

-Al

calcined at 700 ℃. The coupled modification of Fe and ZrO

improves the reduction performance of catalysts

and more highly active Ni

is formed

which is conducive to the occurrence of methane dry reforming for hydrogen production

and the

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=66536419&type=

3.30200005

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=66536412&type=

3.64066648

in the gas product is also modified.

关键词

沼气重整制氢ZrO2-Al2O3复合载体Ni基催化剂

Keywords

biogasreforming for hydrogen productionZrO2-Al2O3 composite supportNi-based catalyst

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