生物质在超临界水流化床系统中部分氧化气化制氢

吕友军; 金辉; 郭烈锦; 张西民; 曹长青; 郭鑫

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生物质在超临界水流化床系统中部分氧化气化制氢

更新时间：2025-05-08

- 生物质在超临界水流化床系统中部分氧化气化制氢
- Hydrogen Production by Partial Oxidation Gasification of Biomass in Supercritical Water with Fluidization Bed Reactor
- 西安交通大学学报 2009年43卷第1期页码：5-9
- 作者机构：
  
  西安交通大学动力工程多相流国家重点实验室,西安,710049
- 作者简介：
- 基金信息：
  
  : 2008-04-17. 作者简介: 吕友军(1978-),男,博士,讲师;郭烈锦(联系人),男,教授,博士生导师. 基金项目: 国家重点基础研究发展规划资助项目(2003CB214500)
- DOI：
  中图分类号： TK91
- 网络首发：2009-01-10，
  
  纸质出版：2009
- 稿件说明：
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吕友军, 金辉, 郭烈锦, 等. 生物质在超临界水流化床系统中部分氧化气化制氢[J]. 西安交通大学学报, 2009,43(1):5-9.

Hydrogen Production by Partial Oxidation Gasification of Biomass in Supercritical Water with Fluidization Bed Reactor[J]. 2009, 43(1): 5-9.
吕友军, 金辉, 郭烈锦, 等. 生物质在超临界水流化床系统中部分氧化气化制氢[J]. 西安交通大学学报, 2009,43(1):5-9. DOI：

Hydrogen Production by Partial Oxidation Gasification of Biomass in Supercritical Water with Fluidization Bed Reactor[J]. 2009, 43(1): 5-9. DOI：

摘要

从理论的角度对超临界水部分氧化过程进行分析

利用已建立的热力学模型计算了反应过程的化学平衡.热力学研究表明:随着氧化剂当量的增加

、CH

、CO的平衡产量减少

的平衡产量增加

而且H

的体积分数也随之减少.在实验室新研制的超临界水流化床系统中

研究了生物质模型化合物(葡萄糖)以及原生生物质(玉米芯)的部分氧化气化制氢.实验结果表明:氧化剂的加入大大提高了生物质的气化率

但降低了气体产物中H

的体积分数; 在质量分数为10%的葡萄糖部分氧化气化过程中

当氧化剂(H

)当量为0.2(质量分数为4.53%)时

的绝对产量达到了最大值.

Abstract

Supercritical partial oxidation is a new technology which combines supercritical water gasification with supercritical water oxidation for high efficient hydrogen production from biomass. Supercritical partial oxidation process was analyzed theoretically

and chemical equilibrium was calculated using the thermodynamic model. It is found that the equilibrium yield of hydrogen

methane

carbon monoxide

and the molar fraction of hydrogen decrease

while the equilibrium yield of carbon dioxide increases with the increase of the oxidant equivalence ratio. Experiments on hydrogen production by partial oxidation of model compound(glucose)and real biomass(corn cob)with SCW fluidization bed were also conducted. The results show that the gasification efficiency increases sharply with the additi

on of oxidant which reduces the molar fraction of hydrogen. During partial oxidation gasification process of 10% glucose

the hydrogen yield reaches maximum when the oxidant(H

)equivalence ratio is 0.2(i.e.

mass fraction of 4.53%).

关键词

Keywords

references

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