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首页> 外文期刊>Technology Reports of Kansai University >CO_2 Gasification Behavior of Various Biomass Chars: Effect of Mineral Matters in Biomass Chars
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CO_2 Gasification Behavior of Various Biomass Chars: Effect of Mineral Matters in Biomass Chars

机译：各种生物质炭的CO_2气化行为：生物质炭中矿物质的影响

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摘要

In order to develop the effective utilization of biomass, the gasification behavior of various chars prepared from biomass (mostly garden trees) was studied. The gasification rate was affected by the content of indigenous mineral matter such as calcium and potassium. The gasification behavior of chars were classified into 3 groups, as follows: (ⅰ) the gasification rate reached a maximum in the higher conversion region, (ⅱ) the gasification rate profile showed two peak values, (ⅲ) the gasification rate profile fitted the random pore model.rnAn increase in the gasification rate in a higher char conversion region contributed to the promotion effect of the potassium catalyst. The number of active centers in the char was obtained by the O_2 uptake at an ambient temperature using pulse technique. The number of active sites was increased by mineral matter and the disintegration of the char structure.
机译：为了开发生物质的有效利用，研究了由生物质（主要是园林树木）制得的各种炭的气化行为。气化速率受钙和钾等本地矿物质含量的影响。炭的气化行为分为3组：（ⅰ）气化率在较高转化率区域达到最大值，（ⅱ）气化率曲线显示两个峰值，（ⅲ）气化率曲线符合随机孔模型。更高的焦炭转化区域中气化速率的增加有助于钾催化剂的促进作用。炭中活性中心的数量是通过使用脉冲技术在环境温度下吸收O_2来获得的。活性部位的数量由于矿物质和炭结构的分解而增加。

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