35.石炭の高温・高圧下での熱分解・ガス化挙動の検討

概要

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Coal gasification in entrained bed type of gasifier is performed under high temperature (〜1400℃), high pressure (〜3MPa), and high heating rate of coal particles (〜10,000K/s). Then little is known on the pyrolysis and gasification behavior of coal in the entrained bed type of gasifier due to experimental difficulty. In this paper coal pyrolysis was performed using a pressurized drop tube furnace (PDTF) which can simulate the entrained bed gasifier very well. The pyrolysis behavior was examined in detail, and detailed characterization of the solid product was also performed. These examinations clarified that the pyrolysis behavior of coal in the entrained bed gasifier is significantly different from that under ambient pressure and slow heating rate.
一般社団法人日本エネルギー学会の論文
2004-11-25