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Catalysis02:50

Catalysis

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The presence of a catalyst affects the rate of a chemical reaction. A catalyst is a substance that can increase the reaction rate without being consumed during the process. A basic comprehension of a catalysts’ role during chemical reactions can be understood from the concept of reaction mechanisms and energy diagrams.
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Multiscale Sampling of a Heterogeneous Water/Metal Catalyst Interface using Density Functional Theory and Force-Field Molecular Dynamics
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Periodic Open Cellular Structures in Chemical Engineering: Application in Catalysis and Separation Processes.

Lisa Eckendörfer1, Dominik Rudolf1, Andreas Brix1

  • 1Institute of Reaction Engineering and Catalysis, TU Dortmund University, Dortmund, Germany; email: lisa.eckendoerfer@tu-dortmund.de, dominik.rudolf@tu-dortmund.de, andreas.brix@tu-dortmund.de, marion.boernhorst@tu-dortmund.de, hannsjoerg.freund@tu-dortmund.de.

Annual Review of Chemical and Biomolecular Engineering
|April 10, 2024
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Summary

Periodic open cellular structures (POCS) offer advanced catalyst supports and packing elements. Their controllable flow fields enhance heat and mass transport for efficient, sustainable chemical processes.

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Area of Science:

  • Materials Science
  • Chemical Engineering
  • Process Intensification

Background:

  • Periodic open cellular structures (POCS) are emerging as advanced materials for chemical engineering applications.
  • Their well-defined morphology and reproducible fabrication via additive manufacturing enable precise control over process conditions.

Purpose of the Study:

  • To review the fundamental principles of POCS, including their design, manufacturing, and transport phenomena.
  • To survey current applications of POCS in reaction and separation processes.
  • To explore future potential applications of POCS for process intensification.

Main Methods:

  • Review of literature on POCS design and fabrication.
  • Analysis of transport phenomena (heat and mass transfer) in single- and multiphase systems within POCS.
  • Compilation of recent POCS applications in industrial processes.

Main Results:

  • POCS exhibit uniform and controllable flow fields, optimizing heat and mass transport.
  • Additive manufacturing allows for fabrication of complex POCS geometries with high reproducibility.
  • POCS demonstrate significant potential for enhancing efficiency, flexibility, and safety in chemical processes.

Conclusions:

  • POCS are highly promising for next-generation catalyst supports and structured packing.
  • Their exceptional transport characteristics are crucial for achieving process intensification.
  • POCS contribute to the development of more sustainable and efficient chemical processes.