The effects of coal particle size on spontaneous combustion characteristics

被引：14

作者：

Rifella A. ^{[1
,2
]}

Setyawan D. ^{[1
]}

Chun D.H. ^{[1
]}

Yoo J. ^{[1
]}

Kim S.D. ^{[1
]}

Rhim Y.J. ^{[1
]}

Choi H.K. ^{[1
]}

Lim J. ^{[1
]}

Lee S. ^{[1
]}

Rhee Y. ^{[2
]}

机构：

[1] Clean Fuel Laboratory, Korea Institute of Energy Research, Daejeon

[2] Graduate School of Energy Science and Technology, Chungnam National University, Daejeon

来源：

International Journal of Coal Preparation and Utilization | 2022年 / 42卷 / 03期

关键词：

Critical self-ignition temperature; crossing-point temperature; low rank coal; low-temperature oxidation; spontaneous combustion;

D O I：

10.1080/19392699.2019.1622529

中图分类号：

学科分类号：

摘要：

Some coals are susceptible to spontaneous combustion. In this paper, crossing-point temperature (CPT) and critical self-ignition temperature (CSIT) analyses as critical self-heating methods and low-temperature oxidation (LTO) analysis as an isothermal oxidation method were used to determine the spontaneous combustion characteristics of Indonesian low-rank coal with different particle sizes. In the CPT and CSIT analyses, larger particles were found to have a low risk of spontaneous combustion along with an increasing particle size in coal. Meanwhile, in LTO analysis, the dependency on particle size was only found in smaller particles rather than larger ones. © 2019 Taylor & Francis Group, LLC.

引用

页码：499 / 523

页数：24

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