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Catalysis for CO2 Conversion, 2nd Edition
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Catalysis for CO2 Conversion, 2nd Edition

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

Deadline for manuscript submissions: 20 December 2024 | Viewed by 1465

Special Issue Editor

Prof. Dr. Zhixin Yu

E-Mail Website
Guest Editor
Department of Energy and Petroleum Engineering, University of Stavanger, 4036 Stavanger, Norway
Interests: nanomaterials design and synthesis; hydrogen and syngas production; biogas upgrading; CO2 conversion and utilization; batteries and supercapacitors; nanocatalysis; energy conversion and storage
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

CO2, a cheap, nontoxic, and abundant carbon feedstock, has garnered significant interest from academia and industry for its conversion into valuable products. The potential to transform CO2 into fuels, chemicals, polymers, and building materials has opened up new avenues for sustainable development. Although some industrial processes utilizing CO2, such as urea synthesis, are well established, the chemical conversion of CO2 remains challenging due to its thermodynamic nature.

To address these challenges and showcase the latest advancements in CO2 conversion technologies, we are pleased to announce the second edition of our Special Issue on “Catalysis for CO2 Conversion”. This edition aims to bring together leading scientists to present their cutting-edge research in catalyst development, process design, system analysis, and multidisciplinary approaches.

We invite researchers to contribute original research papers, review articles, and short communications that delve into various aspects of CO2 conversion. Topics of interest include, but are not limited to:

  • Catalyst synthesis and characterization;
  • Reactor design and optimization;
  • Process engineering and scale-up;
  • Mechanistic investigations;
  • Numerical simulations and modelling.

Prof. Dr. Zhixin Yu
Guest Editor

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

  • CO2 conversion
  • thermocatalysis
  • electrocatalysis
  • photocatalysis
  • enzymatic
  • copolymerization

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Related Special Issue

Published Papers (2 papers)

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Research

24 pages, 8451 KiB  
Article
Seeding as a Decisive Tool for Increasing Space-Time-Yields in the Preparation of High-Quality Cu/ZnO/ZrO2 Catalysts
by David Guse, Lucas Warmuth, Moritz Herfet, Katharina Adolf, Thomas A. Zevaco, Stephan Pitter and Matthias Kind
Catalysts 2024, 14(8), 517; https://doi.org/10.3390/catal14080517 - 9 Aug 2024
Viewed by 626
Abstract
Aging is one of the key steps in the preparation of highly active Cu/ZnO-based catalysts for use in the production of methanol. If certain pH and temperature specifications are met, an initially amorphous precipitate transforms into the crystalline precursor phase of zincian malachite, [...] Read more.
Aging is one of the key steps in the preparation of highly active Cu/ZnO-based catalysts for use in the production of methanol. If certain pH and temperature specifications are met, an initially amorphous precipitate transforms into the crystalline precursor phase of zincian malachite, which is characterized by a periodic arrangement of Cu and Zn atoms and has proven advantageous for the quality of the final catalyst. However, aging generally takes between 30 min and multiple hours until the desired phase transformation is completed. With our study, we show that aging can be significantly accelerated by seeding the freshly precipitated suspension with already aged zincian malachite crystals: the necessary aging time was reduced by 41% for seeding mass fractions as low as 3 wt.% and from 83 min to less than 2 min for 30 wt.% seeds. No negative influence of seeding on the phase composition, specific surface area, molar metal ratios, or the morphology of the aged precursor could be identified. Consequently, the catalyst performance in the synthesis of methanol from CO2, as well as from a CO/CO2 mixture, was identical to a catalyst from an unseeded preparation and showed small advantages compared to a commercial sample. Thus, we conclude that seeding is a vital tool to accelerate the preparation of all Cu/Zn-based catalysts while maintaining product quality, presumably also on an industrial scale. Full article
(This article belongs to the Special Issue Catalysis for CO2 Conversion, 2nd Edition)
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13 pages, 3785 KiB  
Article
N-Formylation of Carbon Dioxide and Amines with EDTA as a Recyclable Catalyst under Ambient Conditions
by Qiqi Zhou, Yu Chen, Xuexin Yuan, Hai-Jian Yang, Qingqing Jiang, Juncheng Hu and Cun-Yue Guo
Catalysts 2024, 14(8), 492; https://doi.org/10.3390/catal14080492 - 31 Jul 2024
Viewed by 455
Abstract
The reduction of CO2 is an important method to produce chemicals such as methanol, formic acid, formaldehyde, etc. In general, the reduction of CO2 is carried out at high temperatures and pressures with precious metals as catalysts, which is not favorable [...] Read more.
The reduction of CO2 is an important method to produce chemicals such as methanol, formic acid, formaldehyde, etc. In general, the reduction of CO2 is carried out at high temperatures and pressures with precious metals as catalysts, which is not favorable for industrial procedures. Thus, it will be very useful if researchers can find cost-effective catalysts for industrial application in CO2 reduction. In this work, commercially available ethylenediaminetetraacetic acid (EDTA) was tested as a cheap, non-toxic, and recyclable catalyst to initiate the N-carbonylation reaction of CO2 with amines. After screening various reaction parameters, including temperature, pressure, time, solvent, and reducing agent, the optimal reaction conditions were obtained: 80 °C, 2 MPa, 6 h, 50 mmol% catalyst dosage, 1 mL DMSO, and 1:1 molar ratio of amine to reducing agent. Notably, further studies confirmed that EDTA could also be effective for N-formylation even under ambient conditions (0.1 MPa and room temperature). The suitability of the catalyst for 26 kinds of substrates (including aliphatic amines, aromatic amines, and alicyclic amines) and its reusability were also investigated, with satisfactory results. Scale-up research has been performed effectively with a high conversion of amine (83%) to obtain the mono-formylated product selectively. Finally, the mechanism of the reaction between amine and CO2 has been proposed via control experiments and compared with results in the literature. Full article
(This article belongs to the Special Issue Catalysis for CO2 Conversion, 2nd Edition)
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