A review on additive manufacturing and materials for catalytic applications: Milestones, key concepts, advances and perspectives

Laguna, Óscar H.; Lietor, Pablo F.; Gonzalez, MA; Corpas-Iglesias, Francisco Antonio

doi:10.1016/j.matdes.2021.109927

Cited by 83 publications

(39 citation statements)

References 170 publications

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“…At the present time, the use of additive manufacturing for the production of geometric supports with tailored properties is a hot research topic, which is stimulating a strong research activity in the field. Detailed reviews are available, providing general information on the stages of the 3D printing process, 3D printing methods, and applications in the field of heterogeneous catalysis (Hurt et al, 2017;Soliman et al, 2020;Laguna et al, 2021;Lawson et al, 2021;Mooraj et al, 2021).…”

Section: Additive Manufacturing Of Geometric Supportsmentioning

confidence: 99%

“…This innovative production approach enables a remarkable freedom to operate in terms of management of the support properties, which allows tuning cell shape, orientation and size, as well as porosity, strut size, and overall dimension with high accuracy (Inayat et al, 2011b;Bianchi et al, 2016). In comparison to open cell foams, the design flexibility and the accuracy in morphology control represent one of the major advantages of POCS (Laguna et al, 2021). This enables the possibility to tune the topology of the object aiming at solving some of the most crucial issues of catalyst supports, namely mass transfer and, thanks to the high thermal conductivity of the bulk material, heat transfer (Busse et al, 2018;Papetti et al, 2018;Bracconi et al, 2020;Ferroni et al, 2021).…”

Section: Additive Manufacturing Of Geometric Supportsmentioning

confidence: 99%

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Recent Advances in the Development of Highly Conductive Structured Supports for the Intensification of Non-adiabatic Gas-Solid Catalytic Processes: The Methane Steam Reforming Case Study

et al. 2022

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Structured catalysts are strong candidates for the intensification of non-adiabatic gas-solid catalytic processes thanks to their superior heat and mass transfer properties combined with low pressure drops. In the past two decades, different types of substrates have been proposed, including honeycomb monoliths, open-cell foams and, more recently, periodic open cellular structures produced by additive manufacturing methods. Among others, thermally conductive metallic cellular substrates have been extensively tested in heat-transfer limited exo- or endo-thermic processes in tubular reactors, demonstrating significant potential for process intensification. The catalytic activation of these geometries is critical: on one hand, these structures can be washcoated with a thin layer of catalytic active phase, but the resulting catalyst inventory is limited. More recently, an alternative approach has been proposed, which relies on packing the cavities of the metallic matrix with catalyst pellets. In this paper, an up-to-date overview of the aforementioned topics will be provided. After a brief introduction concerning the concept of structured catalysts based on highly conductive supports, specific attention will be devoted to the most recent advances in their manufacturing and in their catalytic activation. Finally, the application to the methane steam reforming process will be presented as a relevant case study of process intensification. The results from a comparison of three different reactor layouts (i.e. conventional packed bed, washcoated copper foams and packed copper foams) will highlight the benefits for the overall reformer performance resulting from the adoption of highly conductive structured internals.

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Section: Additive Manufacturing Of Geometric Supportsmentioning

confidence: 99%

Section: Additive Manufacturing Of Geometric Supportsmentioning

confidence: 99%

Recent Advances in the Development of Highly Conductive Structured Supports for the Intensification of Non-adiabatic Gas-Solid Catalytic Processes: The Methane Steam Reforming Case Study

et al. 2022

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“…The type of functional additives incorporated in the formulation determines the characters of the coating system [ 13 ]. These vital characters include overall viscosity, flowability and sprayability, dispersibility and homogeneity, and the optical properties of the coating itself, such as opacity and transparency [ 14 , 15 ]. Moreover, the accurate dosages and mixing procedure of coating additives are also key vital factors in establishing the functionality of the coating system [ 16 , 17 ].…”

Section: Introductionmentioning

confidence: 99%

Flame Retardant Coatings: Additives, Binders, and Fillers

et al. 2022

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This review provides an intensive overview of flame retardant coating systems. The occurrence of flame due to thermal degradation of the polymer substrate as a result of overheating is one of the major concerns. Hence, coating is the best solution to this problem as it prevents the substrate from igniting the flame. In this review, the descriptions of several classifications of coating and their relation to thermal degradation and flammability were discussed. The details of flame retardants and flame retardant coatings in terms of principles, types, mechanisms, and properties were explained as well. This overview imparted the importance of intumescent flame retardant coatings in preventing the spread of flame via the formation of a multicellular charred layer. Thus, the intended intumescence can reduce the risk of flame from inherently flammable materials used to maintain a high standard of living.

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“…Additive manufacturing (AM) is more and more used as a manufacturing technology to fabricate process equipment devices [1][2][3][4][5][6][7]. Applications are flow manifolds [8,9], nozzles [10][11][12][13], heat exchangers [14][15][16], reactors [17][18][19][20], and lattice structures [21][22][23].…”

Section: Introductionmentioning

confidence: 99%

Automated Knowledge‐Based Design for Additive Manufacturing: A Case Study with Flow Manifolds

Biedermann

Beutler

Meboldt

2022

Chemie Ingenieur Technik

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Additive manufacturing (AM) enables novel process equipment devices. However, the manual 3D design of complex part geometries is frequently challenging as designers need to fulfill functional requirements and consider the restrictions of AM. One promising approach is to automatically generate the design of parts. This work aims to introduce such an automated design approach to practitioners in the area of process engineering. The work describes the basic steps required to develop an automated, knowledge‐based design tool for AM and demonstrates the approach using a case study on flow manifolds.

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A review on additive manufacturing and materials for catalytic applications: Milestones, key concepts, advances and perspectives

Cited by 83 publications

References 170 publications

Recent Advances in the Development of Highly Conductive Structured Supports for the Intensification of Non-adiabatic Gas-Solid Catalytic Processes: The Methane Steam Reforming Case Study

Recent Advances in the Development of Highly Conductive Structured Supports for the Intensification of Non-adiabatic Gas-Solid Catalytic Processes: The Methane Steam Reforming Case Study

Flame Retardant Coatings: Additives, Binders, and Fillers

Automated Knowledge‐Based Design for Additive Manufacturing: A Case Study with Flow Manifolds

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