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Catalysts
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Catalytic Activity of Metal Oxides Supported Catalysts in Dry Reforming...
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Catalytic Activity of Metal Oxides Supported Catalysts in Dry Reforming Process

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

Deadline for manuscript submissions: closed (15 December 2022) | Viewed by 11791

Special Issue Editors

Prof. Dr. Jacek Gębicki

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Guest Editor
Department of Process Engineering and Chemical Technology, Chemical Faculty, Gdańsk University of Technology, 80-233 Gdańsk, Poland
Interests: monitoring of air pollution; biogas purification; air pollution control systems; biofiltration; ionic liquids; low-cost air pollution monitoring systems; green deodorization methods
Special Issues, Collections and Topics in MDPI journals
Dr. Izabela Wysocka

E-Mail Website
Guest Editor
Department of Process Engineering and Chemical Technology, Gdańsk University of Technology, 80-233 Gdańsk, Poland
Interests: catalysis; nanoparticles; metal carbides; 2D materials; 2D Xenes; photocatalysis; dry reforming; steam reforming; dimethyl ether synthesis; catalysts
Dr. Andrzej Rogala

E-Mail Website
Guest Editor
Department of Process Engineering and Chemical Technology, Gdańsk University of Technology, 80-233 Gdańsk, Poland
Interests: catalysis; nanoparticles; dry reforming; steam reforming; dimethyl ether synthesis; catalysts; process intensification; heat transfer

Special Issue Information

Dear Colleagues,

Nowadays, carbon dioxide is one of the most significant greenhouse gases. The worldwide accepted sustainable development goals strongly express the need to reduce greenhouse gas emissions. Nevertheless, the current shape of the chemical industry indicates the commitment to processes that lead to emissions of carbon oxides. The most environmentally friendly way of waste management is reuse as a raw material. Among the methods of CO2 reuse, dry reforming (DR) seems to be a very promising technique due to the possibility of synthesising gas with the required products’ molar ratio in the output stream.

Dry reforming takes place in the presence of catalysts. Commercially used catalysts are based on nickel particles due to their high activity and its relatively low price. However, DR reaction conditions favour sintering of the active particles and coking of the catalyst. The size, shape and composition of catalytic materials are crucial factors determining the activity and stability. Therefore, developing new catalysts with a high activity and catalytic stability is undoubtedly still a scientific challenge and of special interest.

The Special Issue will gather research articles and short reviews related to the dry reforming of carbon and hydrogen-containing molecules (e.g., hydrocarbons, diols, alcohols, plastics), including developing new catalysts for DR of desired morphology, investigation of process parameters, investigation of catalysts’ synthesis routes and studies on the stability of materials in under DR conditions. Computational studies on catalysts within the above scope are also welcome.

Prof. Dr. Jacek Gębicki
Dr. Izabela Wysocka
Dr. Andrzej Rogala
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

  • Catalytic materials
  • dry reforming
  • carbon dioxide
  • nanoparticles
  • metal-support interactions
  • nickel catalysts
  • hydrocarbons
  • synthetic gas

Published Papers (3 papers)

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Research

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16 pages, 7262 KiB  
Article
Influences of Ni Content on the Microstructural and Catalytic Properties of Perovskite LaNixCr1−xO3 for Dry Reforming of Methane
by Tingting Zhao, Haoran Yu, Xuyingnan Tao, Feiyang Yu, Ming Li and Haiqian Wang
Catalysts 2022, 12(10), 1143; https://doi.org/10.3390/catal12101143 - 29 Sep 2022
Cited by 3 | Viewed by 1620
Abstract
Perovskite oxides were widely used as precursors for developing metal-support type catalysts. It is attractive to explore the catalytic properties of the oxides themselves for dry reforming of methane (DRM). We synthesized LaNixCr1−xO3 (x = 0.05–0.5) samples in [...] Read more.
Perovskite oxides were widely used as precursors for developing metal-support type catalysts. It is attractive to explore the catalytic properties of the oxides themselves for dry reforming of methane (DRM). We synthesized LaNixCr1−xO3 (x = 0.05–0.5) samples in powder form using the sol-gel self-combustion method. Ni atoms are successfully doped into the LaCrO3 perovskite lattice. The perovskite grains are polycrystalline, and the crystallite size decreases with increasing Ni content. We demonstrated that the LaNixCr1−xO3 perovskites show intrinsically catalytic activity for DRM reactions. Reducing the Ni content is helpful to reduce carbon deposition resulting from the metal Ni nanoparticles that usually coexist with the highly active perovskite oxides. The CH4 conversion over the LaNi0.1Cr0.9O3 sample reaches approximately 84% at 750 °C, and the carbon deposition is negligible. Full article
(This article belongs to the Special Issue Catalytic Activity of Metal Oxides Supported Catalysts in Dry Reforming Process)
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Review

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29 pages, 7927 KiB  
Review
Pyrolysis Combined with the Dry Reforming of Waste Plastics as a Potential Method for Resource Recovery—A Review of Process Parameters and Catalysts
by Ewelina Pawelczyk, Izabela Wysocka and Jacek Gębicki
Catalysts 2022, 12(4), 362; https://doi.org/10.3390/catal12040362 - 23 Mar 2022
Cited by 13 | Viewed by 3831
Abstract
Emissions of greenhouse gases and growing amounts of waste plastic are serious environmental threats that need urgent attention. The current methods dedicated to waste plastic recycling are still insufficient and it is necessary to search for new technologies for waste plastic management. The [...] Read more.
Emissions of greenhouse gases and growing amounts of waste plastic are serious environmental threats that need urgent attention. The current methods dedicated to waste plastic recycling are still insufficient and it is necessary to search for new technologies for waste plastic management. The pyrolysis-catalytic dry reforming (PCDR) of waste plastic is a promising pro-environmental way employed for the reduction of both CO2 and waste plastic remains. PCDR allows for resource recovery, converting carbon dioxide and waste plastics into synthetic gas. The development and optimization of this technology for the high yield of high-quality synthesis gas generation requires the full understanding of the complex influence of the process parameters on efficiency and selectivity. In this regard, this review summarizes the recent findings in the field. The effect of process parameters as well as the type of catalyst and feedstock are reviewed and discussed. Full article
(This article belongs to the Special Issue Catalytic Activity of Metal Oxides Supported Catalysts in Dry Reforming Process)
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19 pages, 3388 KiB  
Review
Anti-Coking and Anti-Sintering Ni/Al2O3 Catalysts in the Dry Reforming of Methane: Recent Progress and Prospects
by Xingyuan Gao, Zhiyong Ge, Guofeng Zhu, Ziyi Wang, Jangam Ashok and Sibudjing Kawi
Catalysts 2021, 11(8), 1003; https://doi.org/10.3390/catal11081003 - 20 Aug 2021
Cited by 50 | Viewed by 5509
Abstract
Coking and metal sintering are limitations of large-scale applications of Ni/Al2O3 catalysts in DRM reactions. In this review, several modification strategies to enhance the anti-deactivation property of Ni/Al2O3 are proposed and discussed with the recently developed catalyst [...] Read more.
Coking and metal sintering are limitations of large-scale applications of Ni/Al2O3 catalysts in DRM reactions. In this review, several modification strategies to enhance the anti-deactivation property of Ni/Al2O3 are proposed and discussed with the recently developed catalyst systems, including structure and morphology control, surface acidity/basicity, interfacial engineering and oxygen defects. In addition, the structure–performance relationship and deactivation/anti-deactivation mechanisms are illustrated in depth, followed by prospects for future work. Full article
(This article belongs to the Special Issue Catalytic Activity of Metal Oxides Supported Catalysts in Dry Reforming Process)
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