Study on product distribution regulation of non-thermal plasma CH<sub>4</sub>-CO<sub>2</sub> reforming

DU Jiaqi; WANG Xiaoli; WANG Jiajie; ZHAO Anmin; MAO Zhenbo; KANG Zhongliang; CAI Hongcheng

doi:10.12434/j.issn.2097-2547.20240277

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Study on product distribution regulation of non-thermal plasma CH₄-CO₂ reforming

更新时间：2025-05-29

- Study on product distribution regulation of non-thermal plasma CH₄-CO₂ reforming
- Vol. 50, Issue 5, Pages: 77-82(2025)
- 作者机构：
  
  西南化工研究设计院有限公司工业排放气综合利用国家重点实验室，国家碳一化学工程技术研究中心，四川成都 610225
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20240277
  CLC： TQ207
- Received：26 June 2024，
  
  Revised：18 July 2024，
  
  Published：25 May 2025
- 稿件说明：
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杜佳奇,王小莉,王佳杰等.非热等离子体CH₄-CO₂重整产物分布调控的研究[J].低碳化学与化工,2025,50(05):77-82.

DU Jiaqi,WANG Xiaoli,WANG Jiajie,et al.Study on product distribution regulation of non-thermal plasma CH₄-CO₂ reforming[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(05):77-82.
杜佳奇,王小莉,王佳杰等.非热等离子体CH₄-CO₂重整产物分布调控的研究[J].低碳化学与化工,2025,50(05):77-82. DOI： 10.12434/j.issn.2097-2547.20240277.

DU Jiaqi,WANG Xiaoli,WANG Jiajie,et al.Study on product distribution regulation of non-thermal plasma CH₄-CO₂ reforming[J].Low-Carbon Chemistry and Chemical Engineering,2025,50(05):77-82. DOI： 10.12434/j.issn.2097-2547.20240277.

摘要

为解决传统热催化转化CH

和CO

需要高温、高压条件的问题，实现两种温室气体的高效利用，可采用非热等离子体技术，在室温、常压下将CH

和CO

直接转化为高价值含氧化合物（甲醇、乙醇和乙酸等）。考察了反应气

(CO

(CH

)、反应气总流量及放电功率对反应气转化率和产物分布的调控，并研究了催化剂对该反应体系性能的影响。结果表明，反应气

(CO

(CH

)为3:1、反应气总流量为40 mL/m

in及放电功率为25 W时，含氧化合物选择性为75%，其中乙酸选择性为47%。使用Cu催化剂时，丙酸选择性可达36%；使用ZnO催化剂时，含氧化合物选择性增大至92%，主要产物甲酸甲酯选择性为37%。反应气

(CO

(CH

)越大，越有利于反应气转化及乙酸形成；反应气总流量越小，反应气转化率越大；放电功率越大，反应气转化率越大，但过大的放电功率会导致含氧化合物选择性减小。在该反应体系中使用催化剂，可生成更具经济价值的新产物。

Abstract

To address the issue that the traditional thermal catalytic conversion of CH

and CO

requires high temperature and high pressure and achieve the efficient utilization of two greenhouse gases

non-thermal plasma technology can be used to directly convert CH

and CO

to high-value chemicals (methanol

ethanol and acetic acid

etc.) at room temperature and atmospheric pressure. The regulation of reaction gas conversion rates and product distributions by reaction gas

(CO

(CH

)

total reaction gas flow rates and discharge powers was investigated

and the effects of catalysts on the performances of reaction system were studied. The results show that when the

(CO

(CH

) is 3:1

and total reaction gas flow rate is 40 mL/min

and discharge power is 25 W

the selectivity of oxygenates is 75%

and the selectivity of acetic acid is 47%. When Cu catalyst is used

the selectivity of propanoic acid can reach 36%. When ZnO catalyst is used

the selectivity of oxygenates increases to 92%

and the selectivity of the main product methyl formate reaches 37%. The larger the reaction gas

(CO

(CH

)

the more favorable it is for the reaction gas conversion and formation of acetic acid. The smaller the total reaction gas flow rate

the larger the conversion rate of reaction gas. The larger the discharge power

the larger the conversion rate of reaction gas

but excessive discharge power will lead to a decrease in selectivity of oxygenates. The use of catalysts in this reaction

system can generate new products with greater economic value.

关键词

Keywords

references

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Related Institution

School of Environmental Engineering, Henan University of Technology

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Zhengzhou Research Institute of Harbin Institute of Technology

School of Chemical Engineering, Sichuan University

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Study on product distribution regulation of non-thermal plasma CH4-CO2 reforming

DOI：10.12434/j.issn.2097-2547.20240277

摘要

Abstract

关键词

Keywords

references

Study on product distribution regulation of non-thermal plasma CH₄-CO₂ reforming