Analysis of Dibenzyltoluene Mixtures: From Fast Analysis to In-Depth Characterization of the Compounds

被引：1
|
作者：
Ji, Xiaolong [1 ,2 ]
Louarn, Essyllt [1 ,3 ]
Fache, Fabienne [4 ]
Vanoye, Laurent [5 ]
Bonhomme, Anne [1 ]
Pitault, Isabelle [2 ]
Meille, Valerie [1 ]
机构：
[1] Univ Lyon, Univ Claude Bernard Lyon 1, CNRS, IRCELYON, F-69626 Villeurbanne, France
[2] Univ Lyon, Univ Claude Bernard Lyon 1, CNRS, LAGEPP, F-69100 Villeurbanne, France
[3] Univ Paris Saclay, CNRS, ICP, F-91405 Orsay, France
[4] Univ Lyon, Univ Claude Bernard Lyon 1, CNRS, ICBMS, F-69100 Villeurbanne, France
[5] Univ Lyon, Inst Chim Lyon, Lab Catalysis Polymerizat Proc & Mat, CP2M CNRS UCB Lyon 1CPE Lyon,CPE Lyon,UMR 5128, CPE Lyon 43 Bd 11 Novembre 1918, F-69616 Villeurbanne, France
来源：
MOLECULES | 2023年 / 28卷 / 09期
关键词：
LOHC; DBT; analysis; GC-MS; isomers; synthesis; Raman; GAS-CHROMATOGRAPHY; MASS-SPECTROMETRY; BENZYL; CATALYSTS; CHEMISTRY; TOLUENE;
D O I：
10.3390/molecules28093751
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The so-called dibenzyltoluene (H0-DBT) heat transfer oil contains numerous isomers of dibenzyltoluene as well as (benzyl)benzyltoluene (methyl group on the central vs. the side aromatic ring). As it is used as a liquid organic hydrogen carrier (LOHC), a detailed analysis of its composition is crucial in assessing the kinetic rate of hydrogenation for each constituent and studying the mechanism of H0-DBT hydrogenation. To identify all of the compounds in the oil, an in-depth analysis of the GC-MS spectra was performed. To confirm peak attribution, we synthesized some DBTs and characterized the pure compounds using NMR and Raman spectroscopies. Moreover, a fast-GC analysis was developed to rapidly determine the degree of hydrogenation of the mixture.
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页数：13
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