Special Issue "Modern Catalytic Reactor: From Active Center to Application Tests, 2nd Edition"

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Catalytic Reaction Engineering".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 1611

Special Issue Editors

Institute of Chemical Engineering, Polish Academy of Sciences, Bałtycka 5, 44-100 Gliwice, Poland
Interests: structured reactors; chemical reaction engineering; chemical reactor design; modeling and simulation
Special Issues, Collections and Topics in MDPI journals
Institute of Chemical Engineering of the Polish Academy of Sciences, Gliwice, Poland
Interests: flow microreactors; functional porous materials; heterogeneous catalysts; applied aspects of catalysis

Special Issue Information

Dear Colleagues,

The rising demand for environmental protection has led to an intensive search for more effective solutions characterized by, for example, higher selectivity or yield, lower energy consumption, and an even more compact geometry in catalytic converters. Therefore, researchers are still trying to develop active catalysts using effective techniques for catalyst deposition (e.g., sonochemical) as well as new catalyst supports characterized by a favourable trade-off between mass (heat) transfer and flow resistance (e.g., wire meshes, short monoliths, and solid foams).

Therefore, the aim of the present Special Issue is to collect recent and the most up to date reports on the development, optimization, and testing of catalytic reactors, especially (but not only) those used in environmental protection processes at every stage of their design, from the microscale (e.g., identification of molecules involved in a unitary elementary act, surface analysis, and determining the reaction mechanism) to the mesoscale (preparation and catalyst deposition) and the macroscale (reactor design and modeling) and to application tests. Broad contributions, including experimental and computational studies, would be valuable subjects of this Special Issue.

Dr. Anna Gancarczyk
Dr. Agnieszka Ciemięga
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

  • catalyst characterizations
  • catalysts
  • spectroscopy
  • metal–support interactions
  • reaction kinetics
  • modeling and simulation
  • structured reactors
  • application study

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Published Papers (1 paper)

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Research

13 pages, 2812 KiB  
Article
Co-Immobilization of D-Amino Acid Oxidase, Catalase, and Transketolase for One-Pot, Two-Step Synthesis of L-Erythrulose
Catalysts 2023, 13(1), 95; https://doi.org/10.3390/catal13010095 - 03 Jan 2023
Cited by 1 | Viewed by 1327
Abstract
Here, we present an immobilized enzyme cascade in a basket-type reactor allowing a one-pot, two-step enzymatic synthesis of L-erythrulose from D-serine and glycolaldehyde. Three enzymes, D-amino acid oxidase from Rhodotorula gracilis (DAAORg), catalase from bovine liver (CAT), and transketolase from Geobacillus [...] Read more.
Here, we present an immobilized enzyme cascade in a basket-type reactor allowing a one-pot, two-step enzymatic synthesis of L-erythrulose from D-serine and glycolaldehyde. Three enzymes, D-amino acid oxidase from Rhodotorula gracilis (DAAORg), catalase from bovine liver (CAT), and transketolase from Geobacillus stearothermophilus (TKgst) were covalently immobilized on silica monolithic pellets, characterized by an open structure of interconnected macropores and a specific surface area of up to 300 m2/g. Three strategies were considered: (i) separate immobilization of enzymes on silica supports ([DAAO][CAT][TK]), (ii) co-immobilization of two of the three enzymes followed by the third ([DAAO+CAT][TK]), and (iii) co-immobilization of all three enzymes ([DAAO+CAT+TK]). The highest L-erythrulose concentrations were observed for the co-immobilization protocols (ii) and (iii) (30.7 mM and 29.1 mM, respectively). The reusability study showed that the best combination was [DAAO + CAT][TK], which led to the same level of L-erythrulose formation after two reuse cycles. The described process paves the way for the effective synthesis of a wide range of α-hydroxyketones from D-serine and suitable aldehydes. Full article
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