Multielement Simulated Distillation by Capillary GC-MED

Buteyn, J.L.; Kosman, J.J.

doi:10.1093/chromsci/28.1.19

Cited by 12 publications

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“…Furthermore, how those compounds behave under deep desulfurization conditions has not been clarified yet. Recent advances in gas chromatography-atomic emission detection (GC-AED) (Buteyn and Kosman, 1990) and gas chromatography-mass spectroscopy (GC-MS) (Nishioka et al, 1985) have enabled characterization of the sulfur compounds present in LGO. We previously reported 42 kinds of alkyl-substituted benzothiophenes and 29 kinds of alkyl-substituted dibenzothiophenes contained in the light gas oil, as determined by GC-AED and GC-MS (Kabe et al, 1992;Tajima et al, 1993).…”

Section: Introductionmentioning

confidence: 99%

Deep Hydrodesulfurization of Light Gas Oil. 1. Kinetics and Mechanisms of Dibenzothiophene Hydrodesulfurization

Kabe

Akamatsu

Ishihara

et al. 1997

Ind. Eng. Chem. Res.

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Hydrodesulfurization (HDS) of light gas oil was investigated using sulfided Co-Mo/Al 2 O 3 catalyst. The behavior of dibenzothiophene, monomethyldibenzothiophenes (C1-DBTs) and dimethyldibenzothiophenes (C2-DBTs) in HDS was traced under the following conditions: temperature, 280-400 °C; LHSV, 2-10 h -1 ; and gas/oil, 1000 and 125 NL (L-(NTP))/L. The HDS of these compounds was treated as a pseudo-first-order reaction. The ratio of the rate constants of 4-methyldibenzothiophene (4-MDBT) and DBT to that of 4,6-dimethyldibenzothiophene (4,6-DMDBT) diminished relative to those of the model reactions. The activation energies of DBTs increased in the order DBT < 4-MDBT < 4,6-DMDBT, while the differences between values diminished relative to those of HDS reactions using a single component among DBT, 4-MDBT, and 4,6-DMDBT. The retarding effect of H 2 S on HDS decreased in the order DBT > 4-MDBT, and further, 4,6-DMDBT was not inhibited. The results indicated that the selectivity for biphenyls in the HDS of DBT was higher than in the HDS of 4-MDBT or 4,6-DMDBT and that DBT and 4-MDBT were adsorbed by the catalyst more weakly than 4,6-DMDBT. An aromatic hydrocarbon of larger ring number has a stronger retarding effect on the HDS rate. The addition of phenanthrene decreased the HDS rate of DBTs in the order DBT > 4-MDBT > 4,6-DMDBT, while 1-methylnaphthalene did not affect the HDS rate. The effect of phenanthrene on the HDS rate appeared to be related to the differences in the adsorption ability of DBTs. To the contrary, the addition of acridine decreased HDS rate in the order 4,6-DMDBT > 4-MDBT > DBT. The results indicate that the retarding effect of acridine is different from that of phenanthrene.

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Section: Introductionmentioning

confidence: 99%

Deep Hydrodesulfurization of Light Gas Oil. 1. Kinetics and Mechanisms of Dibenzothiophene Hydrodesulfurization

Kabe

Akamatsu

Ishihara

et al. 1997

Ind. Eng. Chem. Res.

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“…Various approaches have been developed to address these needs for sulfur simulated distillation, e.g., by GC-AED (GC with atomic emission detection) [3], and flame photometric detection (FPD) coupled with a furnace to convert all sulfur compounds to SO 2 [4,5]. GC-AED is an extremely powerful technique, allowing the determination of several elemental chromatograms simultaneously.…”

Section: Introductionmentioning

confidence: 99%

Simultaneous Measurement of Hydrocarbons and Sulfur Compounds using Flame Ionization and Sulfur Chemiluminescence Detection for Sulfur Simulated Distillation

Shearer¹,

Meyer²

1999

J. High Resol. Chromatogr.

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Simulated distillation of petroleum and its products by gas and supercritical fluid chromatography: A review

Peaden¹

1994

J. High Resol. Chromatogr.

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Information about the boiling point distribution of petroleum and its products is obtained either by actual distillation, or by analyses designed to simulate the distillation process. These analytical techniques are called simulated distillations. Simulated distillations are most often performed by gas or supercritical fluid chromatography. This paper reviews the use of gas and supercritical fluid chromatography for simulated distillation, and the development of element‐specific detection coupled with these analyses.

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Multielement Simulated Distillation by Capillary GC-MED

Cited by 12 publications

References 0 publications

Deep Hydrodesulfurization of Light Gas Oil. 1. Kinetics and Mechanisms of Dibenzothiophene Hydrodesulfurization

Deep Hydrodesulfurization of Light Gas Oil. 1. Kinetics and Mechanisms of Dibenzothiophene Hydrodesulfurization

Simultaneous Measurement of Hydrocarbons and Sulfur Compounds using Flame Ionization and Sulfur Chemiluminescence Detection for Sulfur Simulated Distillation

Simulated distillation of petroleum and its products by gas and supercritical fluid chromatography: A review

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