Effect of fuel moisture content on biomass-IGCC performance

被引:20
作者
Hughes, WEM [1 ]
Larson, ED [1 ]
机构
[1] Princeton Univ, Sch Engn & Appl Sci, Ctr Energy & Environm Studies, Princeton, NJ 08544 USA
来源
JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME | 1998年 / 120卷 / 03期
关键词
D O I
10.1115/1.2818166
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
The moisture level in biomass fuels potentially impacts efficiency in conversion to power. This paper examines the efficiency and net power output of a fluidized bed gasifier-combined cycle with flue gas drying for a range of as-received raw biomass moisture contents and levels of pregasification drying. Due to the lack of empirical data available, a modeling approach is used to simulate the effect of varying moisture content in the gasifier feed biomass. For a specified as-received biomass moisture content, drying prior to gasification increases overall efficiency but the gains in efficiency decrease with increasing levels of drying. For a specified post-dryer gasifier feed moisture content, cycle efficiency and power output increase with decreasing as-received biomass moisture down to 30 percent, below which the change in cycle performance is negligible.
引用
收藏
页码:455 / 459
页数:5
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