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首页> 外文期刊>Energy Conversion & Management >Characterization of burning and CO_2 gasification of chars from mixtures of Zonguldak (Turkey) and Australian bituminous coals
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Characterization of burning and CO_2 gasification of chars from mixtures of Zonguldak (Turkey) and Australian bituminous coals

机译：Zonguldak（土耳其）和澳大利亚烟煤混合物中的焦炭燃烧和CO_2气化的表征

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摘要

In this study, different mixtures (30 wt.% + 70 wt.% and 50 wt.% + 50 wt.%, respectively) of Zonguldak bituminous coal (Turkey) and an Australian bituminous coal are carbonized to obtain char samples. The ignition temperatures of the samples are determined by sending O_2 onto the samples in a system designed for determining the ignition temperature. The gasification reactivity of the chars in a CO_2 atmosphere is also measured at temperatures between 800℃ and 1050℃. The relationship between the ignition temperature and the burning character of the same samples is investigated thermogravimetrically. The moisture, ash and volatile matter analyses are also performed. An increase in carbonization temperature leads to a decrease in the amount of volatile matter. The differences between the effects of volatile matter on the ignition temperature and the gasification reactivity of the samples with CO_2 might be explained by the change in pore structure and the varying catalytic effect of mineral components in the structure. It is also seen that there is a good correlation between the thermal analysis and the complete analysis results of the samples.
机译：在这项研究中，将宗格达克烟煤（土耳其）和澳大利亚烟煤的不同混合物（分别为30 wt。％+ 70 wt。％和50 wt。％+ 50 wt。％）碳化以获得炭样品。通过在设计用于确定点火温度的系统中将O_2发送到样品上来确定样品的着火温度。还在800℃至1050℃之间的温度下测量了焦炭在CO 2气氛中的气化反应性。热重法研究了相同样品的着火温度与燃烧特性之间的关系。还进行了水分，灰分和挥发性物质分析。碳化温度的升高导致挥发性物质的量减少。挥发性物质对着火温度的影响与样品与CO_2的气化反应性之间的差异可以通过孔隙结构的变化和结构中矿物成分的催化作用的变化来解释。还可以看出，热分析与样品的完整分析结果之间具有良好的相关性。

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