An experimental investigation on heating rate effect in the thermal behavior of perhydrous bituminous coal during pyrolysis
Wu, Dun1,2,3; Liu, Guijian1,2; Chen, Shancheng1,2; Sun, Ruoyu1
2015-03-01
发表期刊JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
ISSN1388-6150
卷号119期号:3页码:2195-2203
文章类型Article
摘要

Perhydrous bituminous coal has multi-purpose industrial applications established by its distinctive thermal behavior. The Huainan coalfield in China has a large volume of these types of coals. Nevertheless, little information is obtainable with respect to their thermodynamic characteristics. In this study, one representative coal sample, selected from Zhuji Coal Mine, was scrutinized using thermogravimetry/mass spectrometry at different heating rates. The observed results indicate that the process of thermal decomposition of this sample can be partitioned into three evident stages associated with its mass loss rates and the releasing of gaseous species. The secondary pyrolysis step (300-600 A degrees C), in particular, was affected by means of the alterations of heating rate. The maximum mass loss rate and the releasing rate of gaseous species increased related with the increase of heating rate. To achieve reliable kinetic parameters, the Coats-Redfern and Flynn-Wall-Ozawa methods are integrated. The activation energy is applicable in the range of 108-224 kJ mol(-1).

关键词Perhydrous Coal Heating Rate Thermal Behavior Pyrolysis
WOS标题词Science & Technology ; Physical Sciences
DOI10.1007/s10973-015-4401-y
关键词[WOS]Thermogravimetric Data ; Chemical-structure ; Kinetics ; Temperature ; Ftir
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Analytical ; Chemistry, Physical
WOS记录号WOS:000350225500071
出版者SPRINGER
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9320
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Liu, Guijian
作者单位1.Univ Sci & Technol China, CAS Key Lab Crust Mantle Mat & Environm, Sch Earth & Space Sci, Hefei 230026, Anhui, Peoples R China
2.Anhui Prov Bur Coal Geol, Explorat Res Inst, Hefei 23008, Anhui, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, Peoples R China
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Wu, Dun,Liu, Guijian,Chen, Shancheng,et al. An experimental investigation on heating rate effect in the thermal behavior of perhydrous bituminous coal during pyrolysis[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2015,119(3):2195-2203.
APA Wu, Dun,Liu, Guijian,Chen, Shancheng,&Sun, Ruoyu.(2015).An experimental investigation on heating rate effect in the thermal behavior of perhydrous bituminous coal during pyrolysis.JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,119(3),2195-2203.
MLA Wu, Dun,et al."An experimental investigation on heating rate effect in the thermal behavior of perhydrous bituminous coal during pyrolysis".JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY 119.3(2015):2195-2203.
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