Deoxygenation of Chinese long-flame coal in low-temperature pyrolysis

doi:10.1007/s10973-017-6753-y

CORC > 力学研究所 > 中国科学院力学研究所 > 高温气体动力学国家重点实验室

	Deoxygenation of Chinese long-flame coal in low-temperature pyrolysis
	Wang ZB ; Wang C; Kang RN ; Bin F(宾峰); Wei XL(魏小林)
刊名	JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
	2018-03-01
卷号	131 期号:3 页码:3025-3033
关键词	Coal Low-temperature pyrolysis Oxygen migration Deoxygenation
ISSN号	1388-6150
DOI	10.1007/s10973-017-6753-y
英文摘要	Long-flame coal is a typical low-ranked coal that is not fully utilized and has a huge global reserve. High-content oxygen is a significant negative factor for low-rank coal utilization. The TG-FTIR-GC/MS method was applied to investigate the migration behavior of oxygen and the variation in the properties of Chinese long-flame coal during low-temperature pyrolysis. It was found that the oxygen migration ratios in long-flame coal toward gas and tar were 47.7 and 5.2%, respectively, at 550 A degrees C, that the initial oxygen migration temperatures of hydroxyl, carboxyl, carbonyl and ether bonds were 500, 200, 300 and 350 A degrees C, respectively, that the decomposition rates were 8.2, 90, 99.2 and 86% at 550 A degrees C, respectively, that the oxygen in gas existed mainly in the form of CO2 and CO, and that the oxygen in tar existed mainly in the form of phenolic compounds. The further removal of oxygen was due to the decomposition of hydroxyl and a small amount of stable ether bonds. Furthermore, deoxygenation suggested that the decrease in oxygen had a positive effect on coal liquefaction and resulted in a decrease in its hydrophilicity.
分类号	二类
URL标识	查看原文
WOS关键词	LOW-RANK COAL ; TG-FTIR ; FUNCTIONAL-GROUPS ; ORGANIC OXYGEN ; BIOMASS ; EVOLUTION ; KINETICS ; COMBUSTION ; OXIDATION ; CHARS
WOS研究方向	Thermodynamics ; Chemistry, Analytical ; Chemistry, Physical
语种	英语
WOS记录号	WOS:000425965400089
资助机构	National Key RD Program [2016YFB0601501]
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/77917]
专题	力学研究所_高温气体动力学国家重点实验室
作者单位	1.North China Univ Sci & Technol, Coll Met & Energy, Tangshan 063210, Hebei, Peoples R China 2.North China Elect Power Univ, Sch Energy Power & Mech Engn, Beijing 102206, Peoples R China 3.Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China 4.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Wang ZB,Wang C,Kang RN,et al. Deoxygenation of Chinese long-flame coal in low-temperature pyrolysis[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2018,131(3):3025-3033.
APA	Wang ZB,Wang C,Kang RN,宾峰,&魏小林.(2018).Deoxygenation of Chinese long-flame coal in low-temperature pyrolysis.JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,131(3),3025-3033.
MLA	Wang ZB,et al."Deoxygenation of Chinese long-flame coal in low-temperature pyrolysis".JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY 131.3(2018):3025-3033.