FTIR and simultaneous TG/MS/FTIR study of Late Permian coals from Southern China

被引：146

作者：

Wang, Shaoqing ^{[1
,2
]}

Tang, Yuegang ^{[1
]}

Schobert, Harold H. ^{[3
]}

Guo, Ya'nan ^{[1
]}

Gao, Weicheng ^{[1
]}

Lu, Xukun ^{[1
]}

机构：

[1] China Univ Min & Technol Beijing, Coll Geosci & Surveying Engn, Beijing 100083, Peoples R China

[2] China Univ Min & Technol Beijing, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China

[3] Penn State Univ, EMS Energy Inst, University Pk, PA 16802 USA

来源：

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS | 2013年 / 100卷

基金：

中国国家自然科学基金;

关键词：

Coal; Hydrogen; Barkinite; FTIR with curve-fitting; TG/MS/FTIR; Thermal profile of evolution gases; PYROLYSIS BEHAVIOR; CHEMICAL-STRUCTURE; GEOCHEMICAL CHARACTERISTICS; MINERAL MATTER; IR; MACERALS; MODEL; COALIFICATION; SPECTROSCOPY; BARKINITE;

D O I：

10.1016/j.jaap.2012.11.021

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Five coals selected from South China were studied by proximate analysis, ultimate analysis, and FTIR with curve-fitting analysis to obtain information on the chemical composition and chemical structure in the samples. The thermogravimetric behaviors of these samples and their evolution of gaseous compounds during pyrolysis were studied by thermogravimetry coupled with mass spectrometry and Fourier transform infrared spectroscopy (TG/MS/FTIR). The results showed that the chemical structures of these samples are characterized by relatively higher amounts of aliphatic groups while the degree of aromatization/condensation is low. In addition, these samples (except MS-5) have good hydrocarbon-generating potential. The thermogravimetric experiments showed that these samples undergo intense thermal decomposition. The information on the evolution of gaseous compounds (i.e. H-2, H2O, CO, CO2 and CH4) during pyrolysis under the conditions used in this work can be provided by TG/MS/FTIR method and their evolution are different. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：75 / 80

页数：6

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