Reactivity of Char in Gasification with Steam and Carbon Dioxide at High Temperatures

童楚良; 阪田祜作; 笠岡成光

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Reactivity of Char in Gasification with Steam and Carbon Dioxide at High Temperatures

更新时间：2025-12-16

- Reactivity of Char in Gasification with Steam and Carbon Dioxide at High Temperatures
- CIESC Journal Issue 3, (1984)
- 作者机构：
  
  临潼化肥工业研究所,日本冈山大学工学部合成化学科,日本冈山大学工学部合成化学科
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 September 1984，
  
  Published：25 September 1984
- 稿件说明：
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童楚良, 阪田祜作, 笠岡成光. Reactivity of Char in Gasification with Steam and Carbon Dioxide at High Temperatures[J]. CIESC Journal, 1984, (3).
DOI：

童楚良, 阪田祜作, 笠岡成光. Reactivity of Char in Gasification with Steam and Carbon Dioxide at High Temperatures[J]. CIESC Journal, 1984, (3). DOI：

摘要

选用燃料比(固定碳/挥发份)1到8

变质程度从褐煤到无烟煤(包括粘结性的和非粘结性的)的六种煤焦为试样

在1100—1400℃下

用热重量法进行了含O_2、H_2O、CO_2气化剂的实验室气化

用修正体积反应模型式进行了数据处理和活性评价.并将高温区的结果与低温区(1000℃以下)的实验结果进行了比较.

Abstract

The reactivities of chars were investigated for gasification with steam and carbon dioxide by thermogravimetry in the temperature range of 1100 to 1400℃ and at atmospheric pressure

and the results were compared to those of the previous work at temperatures below 1000℃

where the gasification velocity was chemically controlled. The parent coals of the six char samples differed in rank from brown coal to anthracite and from non-caking coal to strongly caking coal. The rate equation

f=1- exp( -aθb)

designated as the modified volume reaction model

was applied to evaluating gasification reactivities using an average rate constant k.

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