期刊
BIORESOURCE TECHNOLOGY
卷 131, 期 -, 页码 325-332出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2012.12.163
关键词
Tobacco stem; High-sulfur bituminous coal; Co-combustion; Blending optimization; Thermogravimetric
资金
- National Nature Science Foundation of China [51076043, 51025624]
- 111 Project [12034]
Despite much research on co-combustion of tobacco stem and high-sulfur coal, their blending optimization has not been effectively found. This study investigated the combustion profiles of tobacco stem, high-sulfur bituminous coal and their blends by thermogravimetric analysis. Ignition and burnout performances, heat release performances, and gaseous pollutant emissions were also studied by thermogravimetric and mass spectrometry analyses. The results indicated that combustion of tobacco stem was more complicated than that of high-sulfur bituminous coal, mainly shown as fixed carbon in it was divided into two portions with one early burning and the other delay burning. Ignition and burnout performances, heat release performances, and gaseous pollutant emissions of the blends present variable trends with the increase of tobacco stem content. Taking into account the above three factors, a blending ratio of 0-20% tobacco stem content is conservatively proposed as optimum amount for blending. (C) 2012 Elsevier Ltd. All rights reserved.
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