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Experimental and Theoretical Investigation on Three alpha,omega-Diarylalkane Pyrolysis
Li, Gang1,2; Li, Lu1,2; Jin, Lijun1; Tang, Zichao2; Fan, Hongjun2; Hu, Haoquan1
刊名ENERGY & FUELS
2014-11-01
DOI10.1021/ef502012b
28期:11页:6905-6910
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology
类目[WOS]Energy & Fuels ; Engineering, Chemical
研究领域[WOS]Energy & Fuels ; Engineering
关键词[WOS]MODEL COMPOUNDS ; COAL PYROLYSIS ; THERMOLYSIS ; BIBENZYL ; SURFACE ; REACTIVITY ; CHEMISTRY ; BIPHENYL ; RADICALS ; HYDROGEN
英文摘要Pyrolysis of three alpha,omega-diarylalkane compounds (biphenyl, diphenylmethane, and bibenzyl) was performed below 30 Pa between 573 and 1473 K. Vacuum ultraviolet single-photon ionization time-of-flight mass spectrometry was used to detect the reactants, radicals, and products. The relative concentration profiles of the pyrolysis species were estimated by a semi-quantitative analysis method. Experimental results indicated that the length of the CC bridge bond plays an influential role in cracking of corresponding bonds in the alpha,omega-diarylalkane pyrolysis process. The CH bond scission is dominant in pyrolysis of diphenylmethane at low temperatures, while the CC bond scission competes with it when the temperature increases. The symmetrical homolysis of bibenzyl is a dominant reaction at low temperatures and will compete with the unsymmertrical cleavage reaction with increase of the temperature. In addition, the formation mechanism of fluorene, which plays a significant role in polycyclic aromatic hydrocarbon generation, during diphenylmethane pyrolysis was discussed by combining the experimental observation with the theoretical calculation. The theoretical calculation supported these experimental results at the mPW2PLYP level.
语种英语
WOS记录号WOS:000345469300024
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/145651
专题中国科学院大连化学物理研究所
作者单位1.Dalian Univ Technol, Sch Chem Engn, Inst Coal Chem Engn, State Key Lab Fine Chem, Dalian 116024, Liaoning, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Liaoning, Peoples R China
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GB/T 7714
Li, Gang,Li, Lu,Jin, Lijun,et al. Experimental and Theoretical Investigation on Three alpha,omega-Diarylalkane Pyrolysis[J]. ENERGY & FUELS,2014,28(11):6905-6910.
APA Li, Gang,Li, Lu,Jin, Lijun,Tang, Zichao,Fan, Hongjun,&Hu, Haoquan.(2014).Experimental and Theoretical Investigation on Three alpha,omega-Diarylalkane Pyrolysis.ENERGY & FUELS,28(11),6905-6910.
MLA Li, Gang,et al."Experimental and Theoretical Investigation on Three alpha,omega-Diarylalkane Pyrolysis".ENERGY & FUELS 28.11(2014):6905-6910.
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