Characteristics of air-blown gasification in an entrained-bed coal gasifier.
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The characteristics of air-blown coal gasification has been studied in a process development unit of an entrained-bed gasifier. Taiheiyo and Ermelo coals were used in this work. Comparing the experimental results obtained in the two-stage gasification method, it was confirmed that there is an appropriateair distribution ratio in the two-stage method which results in the reduction of the difference in the carbon conversions of Taiheiyo and Ermelo coals. Carbon conversion shows a linear relationship with the ratio of total supplied oxygen to the carbon contents in the coals.<BR>The ratio of the experimental value, η<SUB>g</SUB> (cold gas efficiency), to the theoretical value, η<SUP>*</SUP><SUB>g</SUB> was introduced as a performance index of the gasifier. On the basis of a slag flow temperature comparison, it was concluded that only a small difference existed in the performance indexes of the air-blown and the oxygen-blown gasifications in this gasifier.
- 一般社団法人 日本エネルギー学会の論文
一般社団法人 日本エネルギー学会 | 論文
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