Hydrogen Production by Partial Oxidation Gasification of Biomass in Supercritical Water with Fluidization Bed Reactor

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Hydrogen Production by Partial Oxidation Gasification of Biomass in Supercritical Water with Fluidization Bed Reactor

更新时间：2025-05-08

- Hydrogen Production by Partial Oxidation Gasification of Biomass in Supercritical Water with Fluidization Bed Reactor
- Vol. 43, Issue 1, Pages: 5-9(2009)
- 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：
- DOI：
  CLC： TK91
- Online First：10 January 2009，
  
  Published：2009
- 稿件说明：
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Hydrogen Production by Partial Oxidation Gasification of Biomass in Supercritical Water with Fluidization Bed Reactor[J]. 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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曹长青

闫秋会 1

郭烈锦 1

郭烈锦 2

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李永亮

张明颛

Related Institution

School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology

(State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University,,)

Department of Mechanical Engineering，The University of Akron，Akron

State Key Laboratory of Multiphase Flow in Power Engineering，Xi'an Jiaotong University

Northwest Electric Power Design Institute Co., Ltd., China Power Engineering Consulting Group, Xi’an 710075, China

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