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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
发表期刊ENERGY & FUELS
ISSN0887-0624
卷号30期号:9页码:6984-6990
摘要

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.

文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1021/acs.energyfuels.6b01182
收录类别SCI
语种英语
关键词[WOS]IRON-BASED CATALYST ; AROMATIC-HYDROCARBONS ; IRONMAKING APPLICATIONS ; BIOMASS GASIFICATION ; CARBON DEPOSITION ; MODIFIED HZSM-5 ; OXYGEN CARRIER ; TEMPERATURE ; FE ; LIQUEFACTION
WOS研究方向Energy & Fuels ; Engineering
WOS类目Energy & Fuels ; Engineering, Chemical
项目资助者Joint 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记录号WOS:000383641000013
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21467
专题多相复杂系统国家重点实验室
作者单位1.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
推荐引用方式
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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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