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Catalytic Cracking of Pyrolytic Vapors of Low-Rank Coal over Limonite Ore
He, Lu1,2; Li, Songgeng1,2; Lin, Weigang1
2016-09-01
Source PublicationENERGY & FUELS
ISSN0887-0624
Volume30Issue:9Pages:6984-6990
Abstract

Low-grade natural iron ore, limonite, is proposed as an inexpensive catalyst to increase the light liquid production from coal pyrolysis. Experiments were conducted at a pyrolyzer combined with gas chromatography/mass spectrometry (Py-GC/MS). It is found that limonite favors the formation of light aromatic hydrocarbons, while the aliphatics and oxygenated compounds in tar are significantly reduced. Tests with model compounds (C-19 alkane and o-cresol) indicate that the increased light aromatics could result from the conversions of either oxygenated compounds or aliphatics promoted by limonite. Gaseous products are determined with online gas chromatography (GC). A strong correlation between COx and light aromatics is revealed in the catalytic pyrolysis process, indicating that COx could be seen as an index of light aromatic formation. There is a maximum value for the yield of liquids when the temperature is increased, which is quite different from the tests without limonite. It is postulated that pyrolytic water is decreased with the temperature because the total tar yield exhibits an increasing trend.

SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1021/acs.energyfuels.6b01182
Indexed BySCI
Language英语
WOS KeywordIRON-BASED CATALYST ; AROMATIC-HYDROCARBONS ; IRONMAKING APPLICATIONS ; BIOMASS GASIFICATION ; CARBON DEPOSITION ; MODIFIED HZSM-5 ; OXYGEN CARRIER ; TEMPERATURE ; FE ; LIQUEFACTION
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Funding OrganizationJoint Program of the Natural Science Foundation of China ; Shenhua Group Corporation Limited(51174284) ; National Key Technology R&D Program of Ministry of Science and Technology of China(2013BAC12B02) ; Chinese Academy of Sciences (CAS)/State Administration of Foreign Expert Affairs (SAFEA) International Partnership Program for Creative Research Teams ; "Strategic Priority Research Program" of the Chinese Academy of Sciences(XDA07010200)
WOS IDWOS:000383641000013
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21467
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
He, Lu,Li, Songgeng,Lin, Weigang. Catalytic Cracking of Pyrolytic Vapors of Low-Rank Coal over Limonite Ore[J]. ENERGY & FUELS,2016,30(9):6984-6990.
APA He, Lu,Li, Songgeng,&Lin, Weigang.(2016).Catalytic Cracking of Pyrolytic Vapors of Low-Rank Coal over Limonite Ore.ENERGY & FUELS,30(9),6984-6990.
MLA He, Lu,et al."Catalytic Cracking of Pyrolytic Vapors of Low-Rank Coal over Limonite Ore".ENERGY & FUELS 30.9(2016):6984-6990.
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