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Effects of Calcium Compounds on the Steam Gasification of Carbonized Brown Coal

机译：钙化合物对碳化褐煤蒸汽气化的影响

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摘要

The results of a study of the steam gasification of carbonized brown coal samples at 700 degrees C depending on the composition of mineral components, textural properties, structural ordering of the organic matter, and the type of a gasifier are reported. It was found that the native calcium content is the main factor responsible for the reactivity of carbonized brown coal. Treatment with acid solutions led to the almost complete extraction of calcium, which was accompanied by a sharp decrease in reactivity upon gasification. It was hypothesized that the found behavior was associated with the participation of native calcium compounds (in oxide and/or carbonate forms) in the catalysis of carbon gasification reactions with water vapor.
机译：据报道，根据矿物成分的组成，组织性质，有机物的结构顺序和气化炉的类型，对碳化褐煤样品在700摄氏度下进行蒸汽气化的研究结果。发现天然钙含量是引起碳化褐煤反应性的主要因素。用酸溶液处理导致几乎完全提取钙，伴随气化时反应性急剧下降。假设发现的行为与天然钙化合物（以氧化物和/或碳酸盐形式）参与水蒸气与碳气化反应的催化作用有关。

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