Characterization of char from high temperature fluidized bed coal pyrolysis in complex atmospheres

CORC > 过程工程研究所 > 中国科学院过程工程研究所 > 研究所（批量导入）

	Characterization of char from high temperature fluidized bed coal pyrolysis in complex atmospheres
	Zhong, Mei 1,2; Gao, Shiqiu 3; Zhou, Qi 3; Yue, Junrong 3; Ma, Fengyun 1,2; Xu, Guangwen 3
刊名	PARTICUOLOGY
	2016-04-01
卷号	25 期号:APR 页码:59-67
关键词	Pyrolysis Coal char Oxidation reactivity Active sites Crystal structure
ISSN号	1674-2001
通讯作者	Ma, FY (reprint author), Xinjiang Univ, Coll Chem & Chem Engn, Key Lab Coal Clean Convers & Chem Engn Proc, Urumqi 830046, Peoples R China.
英文摘要	The physiochemical properties of chars produced by coal pyrolysis in a laboratory-scale fluidized bed reactor with a continuous coal feed and char discharge at temperatures of 750 to 980 degrees C under N-2-based atmospheres containing O-2, H-2, CO, CH4, and CO2 were studied. The specific surface area of the char was found to decrease with increasing pyrolysis temperature. The interlayer spacing of the char also decreased, while the average stacking height and carbon crystal size increased at higher temperatures, suggesting that the char generated at high temperatures had a highly ordered structure. The char obtained using an ER value of 0.064 exhibited the highest specific surface area and oxidation reactivity. Relatively high O-2 concentrations degraded the pore structure of the char, decreasing the surface area. The char produced in an atmosphere incorporating H-2 showed a more condensed crystalline structure and consequently had lower oxidation reactivity. (C) 2015 Chinese Society of Particuology and Institute of Process Engineering, Chinese Academy of Sciences. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.orgilicenses/by-nc-nd/4.0/).
WOS标题词	Science & Technology ; Technology
类目[WOS]	Engineering, Chemical ; Materials Science, Multidisciplinary
研究领域[WOS]	Engineering ; Materials Science
关键词[WOS]	GASIFICATION REACTIVITY ; STEAM GASIFICATION ; BIOMASS CHARS ; HEATING RATE ; COMBUSTION ; SPECTROSCOPY ; EVOLUTION ; GAS
收录类别	SCI
原文出处	ELSEVIER SCIENCE INC
语种	英语
WOS记录号	WOS:000371837100007
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/20663]
专题	过程工程研究所_研究所（批量导入）
作者单位	1.Xinjiang Univ, Coll Chem & Chem Engn, Minist Key Lab Oil & Gas Fine Chem, Urumqi 830046, Peoples R China 2.Xinjiang Univ, Coll Chem & Chem Engn, Key Lab Coal Clean Convers & Chem Engn Proc, Urumqi 830046, Peoples R China 3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Zhong, Mei,Gao, Shiqiu,Zhou, Qi,et al. Characterization of char from high temperature fluidized bed coal pyrolysis in complex atmospheres[J]. PARTICUOLOGY,2016,25(APR):59-67.
APA	Zhong, Mei,Gao, Shiqiu,Zhou, Qi,Yue, Junrong,Ma, Fengyun,&Xu, Guangwen.(2016).Characterization of char from high temperature fluidized bed coal pyrolysis in complex atmospheres.PARTICUOLOGY,25(APR),59-67.
MLA	Zhong, Mei,et al."Characterization of char from high temperature fluidized bed coal pyrolysis in complex atmospheres".PARTICUOLOGY 25.APR(2016):59-67.