Research on Catalysts and Their Catalytic Characteristics for Hydrogen Production by Gasification of Peanut Shell in Supercritical Water

裴爱霞; 张锐; 金辉; 郭烈锦

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Research on Catalysts and Their Catalytic Characteristics for Hydrogen Production by Gasification of Peanut Shell in Supercritical Water

更新时间：2025-12-08

- Research on Catalysts and Their Catalytic Characteristics for Hydrogen Production by Gasification of Peanut Shell in Supercritical Water
- Vol. 42, Issue 7, Pages: 913-918(2008)
- 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： TK16
- Online First：10 July 2008，
  
  Published：2008
- 稿件说明：
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裴爱霞, 张锐, 金辉, et al. Research on Catalysts and Their Catalytic Characteristics for Hydrogen Production by Gasification of Peanut Shell in Supercritical Water[J]. 2008, 42(7): 913-918.
DOI：

裴爱霞, 张锐, 金辉, et al. Research on Catalysts and Their Catalytic Characteristics for Hydrogen Production by Gasification of Peanut Shell in Supercritical Water[J]. 2008, 42(7): 913-918. DOI：

摘要

在釜式反应装置上

以原生生物质花生壳为原料、CMC为添加剂

对不同种类的催化剂在超临界水中生物质催化气化制氢的影响进行了实验研究.温度水平选择为400 ℃

压力控制在22～24 MPa范围内

物料的质量分数为10%

催化剂包括ZnCl

、K

、KOH、Na

、NaOH、LiOH、Ca(OH)

、Raney-Ni、橄榄石和白云石.实验结果表明:各种催化剂的催化效果有很大的区别

骨架催化剂Raney-Ni的大比表面积和特殊的电子层结构

使得生物质在超临界水中较低温度条件下可以达到良好的气化效果

在所考察的几种类型催化剂中

Raney-Ni的产氢效率最高

达到28.03 g/kg

是一种极具潜力的超临界水生物质制氢催化剂.

Abstract

Experiments were conducted with an autoclave reactor to investigate the effects of catalysts on the reaction. Peanut shell

mixed with sodium carboxymethylcellulose

was gasified at 400 ℃ and in the range from 22 to 24 MPa with different catalysts

including Raney-Ni

Ca(OH)

NaOH

KOH

LiOH

ZnCl

dolomite and olivine. The results show that the biomass was gasified almost completely in the presence of Raney-Ni and the hydrogen production reached up to 28.03 g/kg. The highest activity can be attributed to the skeleton frame of Raney-Ni and the electronic shell of Ni.

In addition

the related catalytic mechanism and kinetics were discussed based on the experiment results.

关键词

Keywords

references

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