Combustion Characteristics of the Original and Demineralized Afsin-Elbistan Lignite and Its Char

被引：5
|
作者：
Uzun, D. [2 ]
Ozdogan, S. [1 ]
机构：
[1] Marmara Univ, Dept Mech Engn, Fac Engn, TR-34722 Istanbul, Turkey
[2] TUBITAK, Marmara Res Ctr, Energy Inst, Gebze, Kocaeli, Turkey
来源：
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS | 2011年 / 33卷 / 04期
关键词：
coal; combustion; kinetics; mass spectrometry; thermal analysis; THERMOGRAVIMETRY; PYROLYSIS;
D O I：
10.1080/15567030903030591
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Simultaneous thermal analysis and mass spectrometry were used to determine the combustion characteristics of the original and demineralized Afsin-Elbistan lignite and its char. The major gaseous products evolved were characterized. An integral method was applied for kinetic calculations. The demineralized lignite shows the highest overall reactivity for combustion. A pronounced decrease of the final combustion temperature and activation energy of combustion is observed for the demineralized case. The differences observed in SO2 emissions of the original and demineralized lignite and char are primarily due to the adsorption and/or chemisorption of SO2 by the calcium oxides of the mineral matrix.
引用
收藏
页码：283 / 297
页数：15
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