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Study on the catalytic pyrolysis of coal volatiles over hematite for the production of light tar
Song, Qiang1; Zhao, Hongyu2; Chang, Shengqiang3; Yang, Li4; Zou, Fang5; Shu, Xinqian6; Zhang, Peng1
2020-10-01
Source PublicationJOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
ISSN0165-2370
Volume151Pages:12
AbstractIn this paper, to investigate the catalytic pyrolysis behavior of coal (XJ) volatiles over two hematite (HA and HB), a double-layered fixed-bed reaction apparatus, which was easy to separate coal and catalysts was employed to measure the pyrolysis tar yield, and the composition of pyrolysis tar and gas was investigated by GC-MS and GC. The results indicated that both hematite A and hematite B reduced the tar yield and caused an increase in CH4, CO2 and H-2 output. Analysis of the chemical composition of tar indicated that XJ had a high content of pitch (46.39 %). At the same time, the addition of HA and HB decreased the pitch content by 7.59 and 8.88 %, respectively. Then, the change in the hematite chemical composition and physical structure after catalytic pyrolysis was characterized by XRD, TEM, XPS, SEM and N-2 adsorption-desorption. Furthermore, a catalytic mechanism was proposed to illustrate the transformation of pyrolysis tar over hematite. Fe atoms and lattice oxygen are the decisive factors in the bond cleavage of pyrolysis tar. Fe atoms can break the C-C and C-H bonds of aliphatic hydrocarbons, while lattice oxygen can promote C-O bond cleavage and produce CO2.
KeywordCoal Pyrolysis Hematite Tar
DOI10.1016/j.jaap.2020.104927
Language英语
WOS KeywordBIOMASS GASIFICATION ; LIGNOCELLULOSIC BIOMASS ; VACUUM RESIDUE ; IRON-ORE ; CHAR ; ALPHA-FE2O3 ; KINETICS ; BEHAVIOR ; CRACKING ; LIGNITE
Funding ProjectNational Natural Science Foundation of China[51922052] ; National Natural Science Foundation of China[51778309] ; National Natural Science Foundation of China[U1706222] ; National Natural Science Foundation of China[51704016] ; Natural Science Foundation of Shandong Province[ZR2018JL018] ; Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Land and Resources[KF2019-6] ; Qingdao Postdoctoral Research Project[A2020-003] ; Shandong Provincial Postdoctoral Application Research Project[202003113]
WOS Research AreaChemistry ; Energy & Fuels ; Engineering
WOS SubjectChemistry, Analytical ; Energy & Fuels ; Engineering, Chemical
Funding OrganizationNational Natural Science Foundation of China ; Natural Science Foundation of Shandong Province ; Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Land and Resources ; Qingdao Postdoctoral Research Project ; Shandong Provincial Postdoctoral Application Research Project
WOS IDWOS:000580632500020
PublisherELSEVIER
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/42395
Collection中国科学院过程工程研究所
Corresponding AuthorZhang, Peng
Affiliation1.Qingdao Univ Technol, Ctr Durabil & Sustainabil Studies Shandong Prov, Qingdao 266033, Peoples R China
2.Univ Sci & Technol Beijing, Sch Civil & Resource Engn, Beijing 100083, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
4.Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China
5.Minist Land & Resources, Key Lab Coal Resources Explorat & Comprehens Util, Xian 710000, Peoples R China
6.China Univ Min & Technol, Sch Chem & Environm Engn, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Song, Qiang,Zhao, Hongyu,Chang, Shengqiang,et al. Study on the catalytic pyrolysis of coal volatiles over hematite for the production of light tar[J]. JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS,2020,151:12.
APA Song, Qiang.,Zhao, Hongyu.,Chang, Shengqiang.,Yang, Li.,Zou, Fang.,...&Zhang, Peng.(2020).Study on the catalytic pyrolysis of coal volatiles over hematite for the production of light tar.JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS,151,12.
MLA Song, Qiang,et al."Study on the catalytic pyrolysis of coal volatiles over hematite for the production of light tar".JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS 151(2020):12.
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