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

被引：0

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.

引用

页数：13

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