Exergy of Oat Straw

The exergy values of three oat straws were investigated. The effects of moisture content, ash content, S content, correlation factor (C, O, H, and N), and lower heating value (LHV) were also studied. The results showed that the moisture-related exergy, ash-related exergy, and S-related exergy varied...

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Bibliographic Details
Published in:Energy sources. Part A, Recovery, utilization, and environmental effects Recovery, utilization, and environmental effects, 2016-06, Vol.38 (11), p.1574-1581
Main Authors: Zhang, Yaning, Gao, Xiaoyan, Li, Bingxi, Zhang, Haochun
Format: Article
Language:English
Subjects:
Ash
Ashes
Calorific value
Correlation factor
Environment effects
Exergy
LHV
moisture
Moisture content
Oat straw
Utilization
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Summary:The exergy values of three oat straws were investigated. The effects of moisture content, ash content, S content, correlation factor (C, O, H, and N), and lower heating value (LHV) were also studied. The results showed that the moisture-related exergy, ash-related exergy, and S-related exergy varied in the ranges of 283.630-337.502, 28.474-111.054, and 4.357-13.944 kJ/kg, respectively. They accounted for 1.346-1.661%, 0.164-0.538%, and 0.021-0.068% of the exergy of oat straw, respectively. The O/C, H/C, and N/C atomic ratios varied in the ranges of 0.7042-0.7780 (10.480%), 1.4713-1.6000 (8.747%), and 0.0024-0.0254 (958.333%), respectively, whereas the correlation factors varied between 1.131 and 1.142 (0.973%). The exergy values of the three oat straws were between 20.325 and 21.065 MJ/kg. They were mainly determined by the correlation factors and the LHVs. A positive linear relationship between the exergy and LHV was observed.
ISSN:1556-7036
1556-7230
DOI:10.1080/15567036.2014.947445