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Catalysts
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Catalysts for Reforming of Methane
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Catalysts for Reforming of Methane

A special issue of Catalysts (ISSN 2073-4344).

Deadline for manuscript submissions: closed (31 October 2020) | Viewed by 11747

Special Issue Editors

Dr. Catherine Batiot-Dupeyrat

E-Mail Website
Guest Editor
Institut de Chimie des Milieux et Matériaux de Poitiers (IC2MP), UMR CNRS 7285 Université de Poitiers, Ecole Nationale Supérieure d'Ingénieurs de Poitiers (ENSIP), 1, rue marcel Doré, TSA 41105, 86073 Poitiers cedex 9, France
Interests: dry reforming of methane; nonthermal plasma for CO2 transformation; catalytic VOC removal; plasma–catalysis coupling
Prof. Dr. Patrick Da COSTA

E-Mail Website
Guest Editor
Institut Jean Le Rond d’Alembert, Sorbonne Université, CNRS 7190, 2 Place de la Gare de Ceinture, F-78210 Saint-Cyr-l’École, France
Interests: environmental Catalysis; CO2 chemical utilization; methanation; plasma catalytic processes; NOx reduction; soot oxidation, water treatment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Because of abundant shale gas reserves and the development of the production of biogas and landfill gas from anaerobic decomposition, methane has become a very important energy source. Apart from its direct use for heat, CH4 is a feedstock in various reforming processes for producing synthetic gas (syngas), an important platform chemical intermediate for chemicals (such ammonia) and synthetic fuels.

The traditional catalysts used for methane reforming (steam: SR, dry: DRM, and autothermal reforming: ATR) are supported noble metals such as Rh, Ru, Pt, and Pd and Ni-based material due to their low cost. Despite its economic and environmental benefits, DRM is not yet considered as a marketable process, the main drawbacks being carbon formation and catalyst deactivation by sintering.

This Special Issue is intended to cover the most recent progress in the design of catalysts for methane reforming with a focus on DRM and ATR. Particular attention will be given to the role of species interaction based on catalyst characterization before and after reaction. Studies on the use of efficient cheap and readily available catalysts such as clays, catalytic systems from ashes, and shaped materials are welcome.

Dr. Catherine Batiot-Dupeyrat
Prof. Patrick Da COSTA
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

  • Dry reforming of methane
  • Autothermal reforming
  • Cheap catalysts (from waste materials, natural clays, etc.)
  • Shaped catalysts
  • Carbon-resistant catalysts

Published Papers (3 papers)

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Research

17 pages, 5420 KiB  
Article
Combined Reforming of Clean Biogas over Nanosized Ni–Rh Bimetallic Clusters
by Nicola Schiaroli, Carlo Lucarelli, Maria Carmela Iapalucci, Giuseppe Fornasari, Antonio Crimaldi and Angelo Vaccari
Catalysts 2020, 10(11), 1345; https://doi.org/10.3390/catal10111345 - 19 Nov 2020
Cited by 6 | Viewed by 2805
Abstract
The combined steam/dry reforming of clean biogas (CH4/CO2 = 50/50 v/v) represents an innovative way to produce synthesis gas (CO + H2) using renewable feeds, avoiding to deplete the fossil resources and increase CO2 pollution. The [...] Read more.
The combined steam/dry reforming of clean biogas (CH4/CO2 = 50/50 v/v) represents an innovative way to produce synthesis gas (CO + H2) using renewable feeds, avoiding to deplete the fossil resources and increase CO2 pollution. The reaction was carried out to optimize the reaction conditions for the production of a syngas with a H2/CO ratio suitable for the production of methanol or fuels without any further upgrading. Ni-Rh/Mg/Al/O catalysts obtained from hydrotalcite-type precursors showed high performances in terms of clean biogas conversion due to the formation of very active and resistant Ni-Rh bimetallic nanoparticles. Through the utilization of a {Ni10Rh(CO)19}{(CH3CH2)4N}3 cluster as a precursor of the active particles, it was possible to promote the Ni-Rh interaction and thus obtain low metal loading catalysts composed by highly dispersed bimetallic nanoparticles supported on the MgO, MgAl2O4 matrix. The optimization of the catalytic formulation improved the size and the distribution of the active sites, leading to a better catalyst activity and stability, with low carbon deposition with time-on-stream. Full article
(This article belongs to the Special Issue Catalysts for Reforming of Methane)
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20 pages, 5698 KiB  
Article
Highly Active and Carbon-Resistant Nickel Single-Atom Catalysts for Methane Dry Reforming
by Mohcin Akri, Achraf El Kasmi, Catherine Batiot-Dupeyrat and Botao Qiao
Catalysts 2020, 10(6), 630; https://doi.org/10.3390/catal10060630 - 05 Jun 2020
Cited by 39 | Viewed by 5060
Abstract
The conversion of CH4 and CO2 to syngas using low-cost nickel catalysts has attracted considerable interest in the clean energy and environment field. Nickel nanoparticles catalysts suffer from serious deactivation due mainly to carbon deposition. Here, we report a facile synthesis [...] Read more.
The conversion of CH4 and CO2 to syngas using low-cost nickel catalysts has attracted considerable interest in the clean energy and environment field. Nickel nanoparticles catalysts suffer from serious deactivation due mainly to carbon deposition. Here, we report a facile synthesis of Ni single-atom and nanoparticle catalysts dispersed on hydroxyapatite (HAP) support using the strong electrostatic adsorption (SEA) method. Ni single-atom catalysts exhibit excellent resistance to carbon deposition and high atom efficiency with the highest reaction rate of 1186.2 and 816.5 mol.gNi−1.h−1 for CO2 and CH4, respectively. Although Ni single-atom catalysts aggregate quickly to large particles, the polyvinylpyrrolidone (PVP)-assisted synthesis exhibited a significant improvement of Ni single-atom stability. Characterizations of spent catalysts revealed that carbon deposition is more favorable over nickel nanoparticles. Interestingly, it was found that, separately, CH4 decomposition on nickel nanoparticle catalysts and subsequent gasification of deposit carbon with CO2 resulted in CO generation, which indicates that carbon is reacting as an intermediate species during reaction. Accordingly, the approach used in this work for the design and control of Ni single-atom and nanoparticles-based catalysts, for dry reforming of methane (DRM), paves the way towards the development of stable noble metals-free catalysts. Full article
(This article belongs to the Special Issue Catalysts for Reforming of Methane)
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10 pages, 2193 KiB  
Article
Novel Nickel- and Magnesium-Modified Cenospheres as Catalysts for Dry Reforming of Methane at Moderate Temperatures
by Bogdan Samojeden, Marta Kamienowska, Armando Izquierdo Colorado, Maria Elena Galvez, Ilona Kolebuk, Monika Motak and Patrick Da Costa
Catalysts 2019, 9(12), 1066; https://doi.org/10.3390/catal9121066 - 14 Dec 2019
Cited by 7 | Viewed by 2664
Abstract
Cenospheres from coal fly ashes were used as support in the preparation of Ni–Mg catalysts for dry reforming of methane. These materials were characterized by means of XRD, H2-temperature-programmed reduction (H2-TPR), CO2-temperature-programmed desorption (CO2-TPD), and [...] Read more.
Cenospheres from coal fly ashes were used as support in the preparation of Ni–Mg catalysts for dry reforming of methane. These materials were characterized by means of XRD, H2-temperature-programmed reduction (H2-TPR), CO2-temperature-programmed desorption (CO2-TPD), and low-temperature nitrogen sorption techniques. The cenosphere-supported catalysts showed relatively high activity and good stability in the dry reforming of methane (DRM) at 700 °C. The catalytic performance of modified cenospheres was found to depend on both Ni and Mg content. The highest activity at 750 °C and 1 atm was observed for the catalyst containing 30 wt % Mg and 10, 20, and 30 wt % Ni, yielding to CO2 and CH4 conversions of around 95%. Full article
(This article belongs to the Special Issue Catalysts for Reforming of Methane)
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