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2015 1

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Pilot scale autothermal gasification of coconut shell with CO

Bayu PRABOWO,Herri SUSANTO,Kentaro UMEKI,Mi YAN,Kunio YOSHIKAWA

《能源前沿（英文）》 2015年 第9卷 第3期   页码 362-370 doi: 10.1007/s11708-015-0375-5

摘要： This paper explored the feasibility and benefit of CO utilization as gasifying agent in the autothermal gasification process. The effects of CO injection on reaction temperature and producer gas composition were examined in a pilot scale downdraft gasifier by varying the CO /C ratio from 0.6 to 1.6. O was injected at an equivalence ratio of approximately 0.33–0.38 for supplying heat through partial combustion. The results were also compared with those of air gasification. In general, the increase in CO injection resulted in the shift of combustion zone to the downstream of the gasifier. However, compared with that of air gasification, the long and distributed high temperature zones were obtained in CO -O gasification with a CO /C ratio of 0.6–1.2. The progress of the expected CO to CO conversion can be implied from the relatively insignificant decrease in CO fraction as the CO /C ratio increased. The producer gas heating value of CO -O gasification was consistently higher than that of air gasification. These results show the potential of CO -O gasification for producing high quality producer gas in an efficient manner, and the necessity for more work to deeply imply the observation.

关键词： biomass gasification     CO2     downdraft gasifier     autothermal    

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Pilot scale autothermal gasification of coconut shell with CO

Bayu PRABOWO,Herri SUSANTO,Kentaro UMEKI,Mi YAN,Kunio YOSHIKAWA

期刊论文