Parameter estimation in the kinetic model of methylcyclohexane dehydrogenation on a Pt—Al2O3 catalyst by sequential experiment design

El-Sawi, M.; Infortuna, F.A.; Lignola, P.G.; Parmaliana, A.; Frusteri, F.; Giordano, N.

doi:10.1016/0300-9467(89)80081-4

Cited by 17 publications

(13 citation statements)

References 10 publications

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“…In the literature for the dehydrogenation reaction, there is no agreement on the values of the activation energy and a wide range of activation energies are reported. These range from 17.9 kJ mol -1 by El-Sawi et al [26] to 220.7 kJ mol -1 by Maria et al [27]. In the present work, an activation energy of 52.0 kJ mol -1 is obtained which is in close agreement to the following researchers in the field.…”

Section: Discussion On the Retained Modelsupporting

confidence: 91%

Associative Adsorption Kinetics: A Novel Kinetic Model for the Dehydrogenation of Methylcyclohexane

Akram

Munir

Usman

2014

Progress in Reaction Kinetics and Mechanism

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Methylcyclohexane (MCH) dehydrogenation is an important reforming reactionand is considered as a model naphthene dehydrogenation reaction. An increase in the rate of this reaction with the addition of hydrogen at low pressures has been observed by various researchers in the field. This enhancement in rate is described, in the present study, using the concept of associative adsorption of MCH with hydrogen in Langmuir -Hinshelwood -Hougen -Watson singlesite and dual-site surface reaction mechanisms. The various rate equations developed on these bases are tested against the experimental data of Usman over Pt/Al 2 O 3 and the best-fit rate model is presented. An activation energy of 52.0 kJ mol -1 is obtained for the best-fit rate model.

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Section: Discussion On the Retained Modelsupporting

confidence: 91%

Associative Adsorption Kinetics: A Novel Kinetic Model for the Dehydrogenation of Methylcyclohexane

Akram

Munir

Usman

2014

Progress in Reaction Kinetics and Mechanism

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“…An extensive variation in activation energies has been found in the literature. El‐Sawi et al 18 have given 17.9 kJ/mol, while Maria et al 21 have reported 220.7 kJ/mol as activation energy for the dehydrogenation reaction of MCH. In support of the present work, Ritchie and Nixon 10 reported a value of 48.9 kJ/mol, Pacheco and Petersen 14 a value of 58.6 kJ/mol, Jothimurugesan et al 7 a value of 51.9 kJ/mol, Pal et al 16 a value of 56.4 kJ/mol, Tsakiris 23 a range of activation energies of 44.13‐50.29 kJ/mol, Alhumaidan et al 24 a value of 55.4 kJ/mol, Usman et al 26 a value of 50.2 kJ/mol, and Usman et al 9 a value of 39.3 kJ/mol.…”

Section: Resultsmentioning

confidence: 99%

“…The kinetics of the MCH dehydrogenation reaction over Pt‐loaded alumina catalyst has been studied by a number of investigators 7‐9,10‐27 . The pioneering work was conducted by Sinfelt et al 11 who, for the dehydrogenation reaction, proposed a two‐step nonequilibrium adsorption reaction mechanism.…”

Section: Introductionmentioning

confidence: 99%

An exclusive kinetic model for the methylcyclohexane dehydrogenation over alumina‐supported Pt catalysts

Akram

Aslam

AlHumaidan

et al. 2020

Int J of Chemical Kinetics

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The experimental data of six different types of Pt-containing alumina catalysts are used to study the detailed and rigorous kinetics of the methylcyclohexane dehydrogenation reaction. A large number of kinetic rate equations were formulated using the power law kinetics and the Langmuir-Hinshelwood-Hougen-Watson (LHHW) kinetics, which were tested against the experimental data. For each catalyst, the elementary reaction step "the loss of first molecular hydrogen" in the LHHW single-site surface reaction mechanism was observed to be the rate-determining step. The form of the kinetic rate model developed in the study is believed to be applicable to any Pt-loaded alumina catalyst. K E Y W O R D Sdehydrogenation, Langmuir-Hinshelwood-Hougen-Watson kinetics, methylcyclohexane, organic hydride, Pt catalystInt J Chem Kinet. 2020;52:415-449.

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“…Extensive studies were also conducted in Italy with the objective of hydrogen storage and long-distance transportation [4,[17][18][19]. Kinetic studies, as well as studies to understand the deactivation of the catalyst were performed [20][21][22]. The studies also concerned the benzene/cyclohexane and the toluene/methylcyclohexane couples.…”

Section: Years Historymentioning

confidence: 99%

Liquid Organic Hydrogen Carriers or Organic Liquid Hydrides: 40 Years of History

Meille

Pitault

2021

Reactions

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The term LOHC stands for Liquid Organic Hydrogen Carriers. The term has been so well accepted by the scientific community that the studies published before the existence of this name are not very visible. In this mini-review, we have tried to rehabilitate various studies that deserve to be put back in the spotlight in the present context. Studies indeed began in the early 1980s and many publications have compared the use of various organic carriers, various catalysts and reactors. Recent reviews also include the economic aspects of this concept.

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Parameter estimation in the kinetic model of methylcyclohexane dehydrogenation on a Pt—Al2O3 catalyst by sequential experiment design

Cited by 17 publications

References 10 publications

Associative Adsorption Kinetics: A Novel Kinetic Model for the Dehydrogenation of Methylcyclohexane

Associative Adsorption Kinetics: A Novel Kinetic Model for the Dehydrogenation of Methylcyclohexane

An exclusive kinetic model for the methylcyclohexane dehydrogenation over alumina‐supported Pt catalysts

Liquid Organic Hydrogen Carriers or Organic Liquid Hydrides: 40 Years of History

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