Thermodynamic and experimental analysis of chemical looping dry reforming with hydrogen production system

ZHU Min; CHEN Shiyi; LI Meng; SONG Yeheng; ZHANG Lei; XIANG Wenguo

doi:10.11949/j.issn.0438-1157.20181424

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Thermodynamic and experimental analysis of chemical looping dry reforming with hydrogen production system

Energy and environmental engineering | 更新时间：2026-07-24

- Thermodynamic and experimental analysis of chemical looping dry reforming with hydrogen production system
- CIESC Journal Vol. 70, Issue 6, Pages: 2244-2251(2019)
- 作者机构：
  
  1.东南大学能源与环境学院，能源热转换及其过程测控教育部重点实验室，江苏南京 210096
  2.中石化南京工程有限公司，江苏南京 211100
  3.中石化炼化工程（集团）股份有限公司洛阳技术研发中心，河南洛阳 471003
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20181424
  CLC： TE 646
- Received：29 November 2018，
  
  Revised：2019-01-17，
  
  Online First：15 June 2020，
  
  Published：05 June 2019
- 稿件说明：
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朱珉, 陈时熠, 李蒙, 宋业恒, 张磊, 向文国. 化学链干重整联合制氢热力学分析及实验[J]. 化工学报, 2019, 70(6): 2244-2251

ZHU Min, CHEN Shiyi, LI Meng, SONG Yeheng, ZHANG Lei, XIANG Wenguo. Thermodynamic and experimental analysis of chemical looping dry reforming with hydrogen production system[J]. CIESC Journal, 2019, 70(6): 2244-2251
朱珉, 陈时熠, 李蒙, 宋业恒, 张磊, 向文国. 化学链干重整联合制氢热力学分析及实验[J]. 化工学报, 2019, 70(6): 2244-2251 DOI： 10.11949/j.issn.0438-1157.20181424.

ZHU Min, CHEN Shiyi, LI Meng, SONG Yeheng, ZHANG Lei, XIANG Wenguo. Thermodynamic and experimental analysis of chemical looping dry reforming with hydrogen production system[J]. CIESC Journal, 2019, 70(6): 2244-2251 DOI： 10.11949/j.issn.0438-1157.20181424.

摘要

提出了一种化学链甲烷干重整联合制氢工艺。该工艺由还原反应器、干重整反应器、蒸汽反应器和空气反应器组成，在实现制氢的同时获得可变H

/CO比的合成气。借助ASPEN plus软件和小型流化床实验台，在等温条件下，温度900℃，采用Fe

/Al

载氧体，对该工艺进行热力学分析和实验验证。结果显示，当铁氧化物被还原至FeO/Fe时，干重整反应器内甲烷转化率可以达到98%，CO产率可以达到94%。干重整反应器中同时发生甲烷干重整和部分氧化反应，载氧体内部晶格氧可以有效降低积炭并提高合成气H

/CO比。积炭发生于晶格氧消耗殆尽时。积炭进入蒸汽反应器，发生气化反应，降低氢气纯度。

Abstract

A chemical chain methane dry reforming combined hydrogen production process was proposed. The process consists of a reduction reactor

a dry reforming reactor

a steam reactor and an air reactor to obtain a synthesis gas having a variable H

/CO ratio while achieving hydrogen production. In this study

thermodynamic validation was carried out at 900℃ and 1.01×10

and experiments were performed to verify the feasibility of the process in a fluidized-bed reactor using Fe

/Al

oxygen carrier. It was found that a high conversion of CO

and CH

to syngas can be achieved on the reduced iron oxygen carrier. When the reduction extent of the oxygen carrier was 33%

the CH

conversion and CO yield over 98% and 94%

respectively. During the dry reforming stage

the ratio of CH

/CO

was variable. Partial oxidation of excess CH

by active lattice oxygen increased H

/CO molar ratio of syngas and reduced the carbon deposition. Carbon deposition formed since

the active lattice oxygen has been depleted

which would react with steam in the next steam oxidizer and causing the hydrogen purity reduced.

关键词

Keywords

references

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