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http://dx.doi.org/10.7316/khnes.2012.23.1.093

The Characteristics of Coal Gasification using Microwave Plasma  

Kim, Doo-Il (Clean Fuel Center, Korea Institute of Energy Research)
Lee, Jae-Goo (Clean Fuel Center, Korea Institute of Energy Research)
Kim, Yong-Ku (Clean Fuel Center, Korea Institute of Energy Research)
Yoon, Sang-Jun (Clean Fuel Center, Korea Institute of Energy Research)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.23, no.1, 2012 , pp. 93-99 More about this Journal
Abstract
The investigation of clean and environment-friendly coal utilization technology is actively progressed due to high oil price and serious climate change caused by greenhouse gas emissions. In this study, the plasma gasification was performed using a 6kW microwave plasma unit under various reaction conditions: the particle sizes of coal ($45{\mu}m-150{\mu}m$), $O_2$/fuel ratio (0 - 1.3), and steam/fuel ratio (0 - 1.5). The $H_2$ composition decreases with decreasing coal particle size. With increasing $O_2$/fuel ratio, the $H_2$ composition in the syngas decreased while the $CO_2$ composition increased. As the steam/fuel ratio increased from 0 to 1.5, the $H_2$ composition in the syngas increased while the $CO_2$ composition decreased. From the results, it was proven that the variation of syngas composition greatly affected by $O_2$/fuel ratio than steam/fuel ratio. The $H_2$ composition in the syngas, carbon conversion, and cold gas efficiency increased with increasing plasma power.
Keywords
Coal; Gasification; Microwave; Plasma; Syngas;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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