Characteristics of entrained flow coal gasification in a drop tube reactor

✍ Scribed by Jae Goo Lee; Jae Ho Kim; Hyo Jin Lee; Tae Jun Park; Sang Done Kim

• Publisher: Elsevier Science
• Year: 1996
• Tongue: English
• Weight: 752 KB
• Volume: 75
• Category: Article
• ISSN: 0016-2361
• DOI: 10.1016/0016-2361(96)00084-1

✦ Synopsis

The effects of reaction temperature, oxygen/coal and steam/coal ratios and residence time on coal gasification performance in entrained flow were determined by means of a drop tube reactor (0.05 m.i.d. x l.Om high). The H&O molar ratio decreases with increasing reaction temperature and the Hz + CO content of the product gas exhibit a maximum around the ash fusion temperature. With increasing O2 content, carbon conversion increases and the rate of production of Hz and CO increases initially to a maximum value. The optimum OJcoal ratio is in the range 0.6-0.9 for different coals.