Catalytic Process Intensification for Green Chemistry

A special issue of Catalysts (ISSN 2073-4344).

Deadline for manuscript submissions: closed (10 February 2022) | Viewed by 6976

Special Issue Editors


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Guest Editor
School of Chemistry and Chemical Engineering, Queen's University Belfast, Belfast BT7, UK
Interests: membrane reactor; polymeric membrane; inorganic membrane; gas separation; catalytic membrane; heterogenous catalysis, ionic liquid, modelling
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Guest Editor
Inorganic Membranes and Membrane Reactors, Sustainable Process Engineering, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5612 AZ Eindhoven, The Netherlands
Interests: Process design and intensification; membranes and membrane reactors; separation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

It is a pleasure to present the Special issue "Catalytic process intensification for green chemistry", in which we aim to highlight novel research on the implementation of a route toward the use of cleaner, safer and more energy-efficient process technology.

The negative environmental effects of the massive use of non-renewable resources has led the community to identify new renewable resources in an attempt to form a circular economy.

The development and enhancement of processes with high selectivity and low energy consumption through the introduction of new technologies is a key building block in the reconstruction of the chemical industry within the framework of so called “green chemistry”.

Furthermore, process intensification can encourage a transition towards the development of chemical processes with energy and process efficiency through the combination of different unit operations, such as reaction and separation, into a single piece of equipment. This Special Issue will include papers focused on a wide range on modern technologies used to produce a multitude of chemicals, fuels, commodity chemicals, fertilisers, pharmaceuticals, materials and mathematical models.

Dr. Giuseppe Bagnato
Prof. Dr. Fausto Gallucci
Guest Editors

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Keywords

  • fuel cells
  • membrane reactors
  • microreactors
  • microwave of sonic reactors
  • modelling
  • plasma technology
  • process design
  • reactive distillation
  • reactive extraction

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Published Papers (2 papers)

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Research

24 pages, 6069 KiB  
Article
Process Intensification of the Propane Dehydrogenation Considering Coke Formation, Catalyst Deactivation and Regeneration—Transient Modelling and Analysis of a Heat-Integrated Membrane Reactor
by Jan P. Walter, Andreas Brune, Andreas Seidel-Morgenstern and Christof Hamel
Catalysts 2021, 11(9), 1056; https://doi.org/10.3390/catal11091056 - 31 Aug 2021
Cited by 6 | Viewed by 2733
Abstract
A heat-integrated packed-bed membrane reactor is studied based on detailed, transient 2D models for coupling oxidative and thermal propane dehydrogenation in one apparatus. The reactor is structured in two telescoped reaction zones to figure out the potential of mass and heat integration between [...] Read more.
A heat-integrated packed-bed membrane reactor is studied based on detailed, transient 2D models for coupling oxidative and thermal propane dehydrogenation in one apparatus. The reactor is structured in two telescoped reaction zones to figure out the potential of mass and heat integration between the exothermic oxidative propane dehydrogenation (ODH) in the shell side, including membrane-assisted oxygen dosing and the endothermic, high selective thermal propane dehydrogenation (TDH) in the inner core. The developing complex concentration, temperature and velocity fields are studied, taking into account simultaneous coke growth corresponding with a loss of catalyst activity. Furthermore, the catalyst regeneration was included in the simulation in order to perform an analysis of a periodic operating system of deactivation and regeneration periods. The coupling of the two reaction chambers in a new type of membrane reactor offers potential at oxygen shortage and significantly improves the achievable propene yield in comparison with fixed bed and well-established membrane reactors in the distributor configuration without inner mass and heat integration. The methods developed allow an overall process optimization with respect to maximum spacetime yield as a function of production and regeneration times. Full article
(This article belongs to the Special Issue Catalytic Process Intensification for Green Chemistry)
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16 pages, 3156 KiB  
Article
MW-Promoted Cu(I)-Catalyzed P–C Coupling Reactions without the Addition of Conventional Ligands; an Experimental and a Theoretical Study
by Bianka Huszár, Réka Henyecz, Zoltán Mucsi and György Keglevich
Catalysts 2021, 11(8), 933; https://doi.org/10.3390/catal11080933 - 30 Jul 2021
Cited by 8 | Viewed by 2340
Abstract
An experimental and a theoretical study on the so far less investigated Cu(I) salt-catalyzed Hirao reaction of iodobenzene and diarylphosphine oxides (DAPOs) revealed that Cu(I)Br or Cu(I)Cl is the most efficient catalyst under microwave irradiation. The optimum conditions included 165 °C and a [...] Read more.
An experimental and a theoretical study on the so far less investigated Cu(I) salt-catalyzed Hirao reaction of iodobenzene and diarylphosphine oxides (DAPOs) revealed that Cu(I)Br or Cu(I)Cl is the most efficient catalyst under microwave irradiation. The optimum conditions included 165 °C and a 1:2 molar ratio for DAPOs and triethylamine. The possible ligations of Cu(I) were studied in detail. Bisligated P---Cu(I)---P (A), P---Cu(I)---N (B) and N---Cu(I)---N (C) complexes were considered as the catalysts. Calculations on the mechanism suggested that complexes A and B may catalyze the P–C coupling, but the latter one is more advantageous both according to experiments and calculations pointing out the Cu(I) → Cu(III) conversion in the oxidative addition step. The P–C coupling cannot take place with PhBr, as in this case, the catalyst complex cannot be regenerated. Full article
(This article belongs to the Special Issue Catalytic Process Intensification for Green Chemistry)
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