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Catalysts
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Additive Manufacturing for Catalytic Applications
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Additive Manufacturing for Catalytic Applications

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Industrial Catalysis".

Deadline for manuscript submissions: closed (20 November 2021) | Viewed by 6062

Special Issue Editors

Dr. Oscar H. Laguna

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Guest Editor
Departamento de Ingeniería Química, Ambiental y de los Materiales, Universidad de Jaén, Campus Científico Tecnológico de Linares, Avda. de la Ciencia s/n, 23700 Linares, Jaén, Spain
Interests: materials science; catalysis; microreaction technology; additive manufacturing; 3D-printing; CO2 capture and utilization CCU; CO2 recycling; noble metal catalysts
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Francisco Antonio Corpas Iglesias

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Guest Editor
Departamento de Ingeniería Química, Ambiental y de los Materiales, Universidad de Jaén, Campus Científico Tecnológico de Linares, Avda. de la Ciencia s/n, 23700 Linares – Jaén, Spain
Interests: materials science; advanced materials; materials engineering; additive manufacturing; 3D-printing; metallurgical engineering; mining engineering; recycling of materials

Special Issue Information

Dear Colleagues,

Currently, we are living the latest industrial revolution, known as Industry 4.0, where the combination of the amazing advances and new technologies is promising for the achievement of very important goals in several scenarios aiming a better quality of life worldwide. However, the historical success of Industry 4.0 will depend, not only on its great advances, but also on how these will help humanity to overcome the great challenge of curbing climate change and preserving the planet, as well as achieving a less unequal world.

One of the most relevant ingredients of the cited revolution is additive manufacturing (AM), which is the term that describes the technologies for building 3D objects by adding layer-upon-layer of several materials, mainly including plastics, metal, ceramic, and the possible intermediate systems. In this sense, AM involves innovations not only for obtaining increasingly complex and adaptable objects for multiple applications, but also for manufacturing materials and manufacturing processes, to make things better and cheaper. This revolution can also be transferred to catalysis, which continues to be one of the main drivers of the chemical industry worldwide, as additive manufacturing supposes the breakdown of paradigms by means of the creation of highly adaptable systems that can produce the modernization of practically all catalytic processes, carried out up until now, with technologies from the end of the 20th century, making them more profitable, energy efficient, and renewable.

Therefore, considering the emerging character of the inclusion of AM in catalysis, this Special Issue aims to compile all of the possible initiatives that apply AM in any of the stages of development, or in the evaluation of applications of homogeneous or heterogeneous catalysis, including electro-chemical or photo-catalytic systems, as well as structured or microstructured catalysts. Neither will there be a preferred type of reaction, but special attention will be given to catalytic processes related to the capture and use of CO2, the transformation of biomass, the production of hydrogen, and the purification of water.

Dr. Oscar H. Laguna
Prof. Dr. Francisco Antonio Corpas Iglesias
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Catalysts is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • additive manufacturing
  • Industry 4.0
  • 3D-printing
  • heterogeneous catalysis
  • homogeneous catalysis
  • CO2 capture and utilization
  • H2 production
  • H2 purification
  • biomass transformation
  • catalysis and 3D-printing
  • energy efficiency
  • structured reactors, microreactors, microreaction technology

Published Papers (2 papers)

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Research

20 pages, 6753 KiB  
Article
In Search of an Effective Workability Zone during the 3D Printing of Polymeric Periodic Open Cellular Structures Potentially Useful as Microreactors
by Pablo F. Lietor, David González-Lechuga, Francisco Antonio Corpas-Iglesias and Oscar Hernando Laguna Espitia
Catalysts 2022, 12(8), 873; https://doi.org/10.3390/catal12080873 - 8 Aug 2022
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Abstract
The question of how easy the transition is between design and manufacturing by the 3D printing of periodic open cellular structures occurs from the analysis of cases in which additive manufacturing and heterogeneous catalysis merge. The synergy between these two fields suggests that [...] Read more.
The question of how easy the transition is between design and manufacturing by the 3D printing of periodic open cellular structures occurs from the analysis of cases in which additive manufacturing and heterogeneous catalysis merge. The synergy between these two fields suggests that one of the great advantages that the catalysis of this manufacturing methodology can take advantage of is the obtaining of advanced designs that would allow improving the processes from the geometry of the reactors. However, not all 3D-printing techniques offer the same degree of resolution, and this uncertainty grows when using more complex materials to work with, such as ceramics or metals. Therefore, the present work seeks to answer this question by finding experimentation strategies, starting with a simple case study inspired by the additive manufacturing–catalysis combination, in which a ceramic polymer resin of high thermal resistance is used to obtain POCSs that are potentially useful in thermochemical or adsorption processes. This exploration concludes on the need to define limits for what we have called an “effective work zone” that combines both design criteria and the real possibility of printing and manipulating the pieces, making sweeps in structural parameters such as cell size and the diameter of struts in the POCS. Similarly, the possibility of coating these systems with inorganic oxides is explored, using a generic oxide (Al2O3) to analyse this scenario. Finally, a cartridge-type assembly of these systems is proposed so that they can be explored in future processes by other researchers. Full article
(This article belongs to the Special Issue Additive Manufacturing for Catalytic Applications)
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11 pages, 4264 KiB  
Article
High-Complexity WO3-Based Catalyst with Multi-Catalytic Species via 3D Printing
by Xiaofeng Wang, Wei Guo, Raed Abu-Reziq and Shlomo Magdassi
Catalysts 2020, 10(8), 840; https://doi.org/10.3390/catal10080840 - 24 Jul 2020
Cited by 16 | Viewed by 3684
Abstract
Three-dimensional (3D) printing has recently been introduced into the field of chemistry as an enabling tool employed to perform reactions, but so far, its use has been limited due to material and structural constraints. We have developed a new approach for fabricating 3D [...] Read more.
Three-dimensional (3D) printing has recently been introduced into the field of chemistry as an enabling tool employed to perform reactions, but so far, its use has been limited due to material and structural constraints. We have developed a new approach for fabricating 3D catalysts with high-complexity features for chemical reactions via digital light processing printing (DLP). PtO2-WO3 heterogeneous catalysts with complex shapes were directly fabricated from a clear solution, composed of photo-curable organic monomers, photoinitiators, and metallic salts. The 3D-printed catalysts were tested for the hydrogenation of alkynes and nitrobenzene, and displayed excellent reactivity in these catalytic transformations. Furthermore, to demonstrate the versatility of this approach and prove the concept of multifunctional reactors, a tungsten oxide-based tube consisting of three orderly sections containing platinum, rhodium, and palladium was 3D printed. Full article
(This article belongs to the Special Issue Additive Manufacturing for Catalytic Applications)
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