Propylene production technology: Today and tomorrow

Лавренов, А. В.; Сайфулина, Л Ф; Булучевский, Е. А.; Богданец, Е. Н.

doi:10.1134/s2070050415030083

Cited by 94 publications

(67 citation statements)

References 62 publications

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“…[ 2 ] Therefore, on‐purpose techniques for producing propylene had been much more attractive. [ 3 ] Among these technologies, propane dehydrogenation (PDH) had gained much attention due to its superior selectivity to propylene and low cost of propane. [ 4 ] Pt was found to be more efficient for activating CH bond compared with CC bond and so considered to be an ideal choice for PDH.…”

Section: Introductionmentioning

confidence: 99%

Chemical Insight into the Structure and Formation of Coke on PtSn Alloy during Propane Dehydrogenation

Wang

Chen

Mao

et al. 2020

Advanced Sustainable Systems

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Propane dehydrogenation (PDH) catalyzed by PtSn/Al2O3 is a vital industrial process for producing propylene, a significant building block in the chemical industry. However, coke produced in the process deactivates the catalyst and the energy‐intensive regeneration procedures can produce considerable CO2 emission. In this work, coke on the spent catalysts is analyzed by thermogravimetric‐mass spectra, Raman spectra, 1H solid NMR spectra, and infrared spectra. Several C3 species, including propyl, propylidene and propylidyne are found on the surface of the PtSn alloy. Several reaction pathways are investigated by density functional theory (DFT) calculations. It is also found that this coke can be hydrogenated to propylene in the PDH process. These results could provide theoretical guidance for optimizing process parameters in industry.

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Section: Introductionmentioning

confidence: 99%

Chemical Insight into the Structure and Formation of Coke on PtSn Alloy during Propane Dehydrogenation

Wang

Chen

Mao

et al. 2020

Advanced Sustainable Systems

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“…Propene has become one of the central building blocks for the petrochemical industry [1]. It is mainly used for the production of the highly demanded polypropylene and propene oxide.…”

Section: Introductionmentioning

confidence: 99%

Detailed Kinetic Model for the Reaction of Ethene to Propene on Ni/AlMCM‐41

Felischak

Wolff

Perea

et al. 2020

Chemie Ingenieur Technik

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This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made. Supporting Information available onlineThe Ni/AlMCM-41 was prepared and applied as the catalyst for the direct conversion of ethene to propene. Based on the results of the broad experimental study, two reaction networks were compared, one consisting of dimerization, isomerization and metathesis and a modified network suggesting the cracking of long-chain olefins. To correlate the experimentally obtained data, the classical Langmuir-Hinshelwood-Hougen-Watson model was applied for both reaction networks. The second network involving catalytic cracking offers a satisfying prediction of the observed product distributions.

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“…The on‐purpose dehydrogenation of propane has a growing relevance in industry . Around 80 % of the market is still served by propylene produced as a by‐product in traditional processes as pyrolysis and catalytic cracking of hydrocarbons . Because of a shift in the supply of cracking feedstock and a growing demand of on‐purpose production a further intensification of these processes is of increasing importance.…”

Section: Introductionmentioning

confidence: 99%

“…Because of a shift in the supply of cracking feedstock and a growing demand of on‐purpose production a further intensification of these processes is of increasing importance. Today's industrial processes are based on the highly endothermic thermal dehydrogenation reaction (Δ R H = 124 kJ mol −1 , Catofin, Oleflex, Star, FBD, PDH) , (Eq. ).…”

Section: Introductionmentioning

confidence: 99%

Analysis of Membrane Reactors for Integrated Coupling of Oxidative and Thermal Dehydrogenation of Propane

Brune

Wolff

Seidel‐Morgenstern

et al. 2019

Chemie Ingenieur Technik

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This study presents strategies capable to intensify the thermal dehydrogenation of propane (TDH) using integrated reactor concepts. An inert packed bed membrane reactor for distributed dosing of oxygen to realize the oxidative dehydrogenation (ODH) was studied and compared to a reactor with catalytically active membrane. The latter concept allows to combine TDH and ODH in one apparatus to overcome the chemical equilibrium by in situ conversion of the by‐product H2 using O2 or in a reverse water‐gas shift reaction by CO2. If CO2 is used as active sweep gas the reactor offered better performance regarding yield and selectivity. Strategies for further thermal integration are discussed.

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Propylene production technology: Today and tomorrow

Abstract: The current industrial and promising technologies and methods for the preparation of propylene from oil and gas raw materials, including combined processes, and processes based on biological raw materi als were considered. Special attention was paid to Russian developments in this field.

Cited by 94 publications

References 62 publications

Chemical Insight into the Structure and Formation of Coke on PtSn Alloy during Propane Dehydrogenation

Chemical Insight into the Structure and Formation of Coke on PtSn Alloy during Propane Dehydrogenation

Detailed Kinetic Model for the Reaction of Ethene to Propene on Ni/AlMCM‐41

Analysis of Membrane Reactors for Integrated Coupling of Oxidative and Thermal Dehydrogenation of Propane

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