Catalytic Soot Oxidation

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

Deadline for manuscript submissions: closed (15 July 2026) | Viewed by 1787

Editors


E-Mail Website
Guest Editor
College of Science, China University of Petroleum, Beijing 102249, China
Interests: environmental catalysis; photocatalysis; CO2 conversion; vehicle exhaust gas purification
Special Issues, Collections and Topics in MDPI journals
State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing 102249, China
Interests: soot oxidation; hierarchical porous materials; heterogeneous catalysis; methane conversion; environmental catalysis
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor Assistant
State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, College of Science, China University of Petroleum, Beijing 102249, China
Interests: soot oxidation; catalysis

Special Issue Information

Dear Colleagues,

Soot emissions from diesel engines and industrial processes pose significant environmental and health risks, driving the urgent demand for efficient catalytic oxidation technologies. This Special Issue, hosted by Catalysts, invites cutting-edge research on catalytic soot oxidation to advance pollution control strategies. The issue aims to bridge gaps between laboratory innovations and real-world applications by addressing challenges such as catalyst design, reaction mechanisms, and scalability. Contributions should focus on optimizing catalyst performance under realistic conditions, including low-temperature activity, stability, and resistance to poisoning.

Prof. Dr. Yuechang Wei
Dr. Jing Xiong
Guest Editors

Dr. Yuanfeng Li
Guest Editor Assistant

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 250 words) can be sent to the Editorial Office for assessment.

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-anonymized 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 2200 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

  • heterogeneous catalysis
  • deep oxidation
  • 3DOM
  • contact efficiency
  • SMSI
  • reaction mechanism

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • Reprint: MDPI Books provides the opportunity to republish successful Special Issues in book format, both online and in print.

Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

Order results
Result details
Select all
Export citation of selected articles as:

Research

16 pages, 5584 KB  
Article
Enhanced Soot Oxidation Performance of CeO2-Promoted La2O2SO4 Catalytic Oxygen Storage Materials for Gasoline Particulate Filters
by Luciana Lisi, Elisabetta Maria Cepollaro, Michele Emanuele Fortunato and Stefano Cimino
Catalysts 2026, 16(5), 407; https://doi.org/10.3390/catal16050407 - 1 May 2026
Viewed by 343
Abstract
This study investigates the synergistic promotional effects of CeO2 and La2O2SO4 as composite catalytic oxygen storage systems for soot oxidation in Gasoline Particulate Filters (GPFs) across a broad operating temperature range. Two 5 wt % CeO2 [...] Read more.
This study investigates the synergistic promotional effects of CeO2 and La2O2SO4 as composite catalytic oxygen storage systems for soot oxidation in Gasoline Particulate Filters (GPFs) across a broad operating temperature range. Two 5 wt % CeO2-promoted Lanthanum oxysulfate compounds were prepared by mechanical mixing of pure phases or by supporting CeO2 via incipient wetness impregnation with a cerium nitrate precursor. The soot oxidation activity was evaluated using Thermogravimetric Analysis coupled with Mass Spectrometry (TG-MS) under both anaerobic and lean-O2 (1% vol.) environments, with the performance benchmarked against pure La- or Pr-oxysulfates and CeO2 reference materials. Comprehensive characterization via XRD, SEM, N2-physisorption, and H2-TPR revealed that the observed synergistic effects transcend the simple additive properties of the individual components. Full article
(This article belongs to the Special Issue Catalytic Soot Oxidation)
Show Figures

Graphical abstract

18 pages, 2789 KB  
Article
Mechanistic Investigation of CO Hazard Elimination from Methane Explosion Using Co3O4 Catalyst
by Jianwei Wang
Catalysts 2026, 16(3), 272; https://doi.org/10.3390/catal16030272 - 18 Mar 2026
Viewed by 760
Abstract
High-concentration carbon monoxide (CO) produced by incomplete methane combustion in underground explosions is the primary cause of post-explosion fatalities, with typical concentrations (2–4%) far exceeding human tolerance limits. Unsupported Co3O4 catalysts were synthesized via a hydrothermal route and evaluated for [...] Read more.
High-concentration carbon monoxide (CO) produced by incomplete methane combustion in underground explosions is the primary cause of post-explosion fatalities, with typical concentrations (2–4%) far exceeding human tolerance limits. Unsupported Co3O4 catalysts were synthesized via a hydrothermal route and evaluated for post-explosion CO elimination under realistic mine-atmosphere conditions. The phase-pure spinel catalyst (crystallite size ~18 nm, SBET = 68.5 m2/g) exhibited exceptional low-temperature activity with T50 = 43 °C and T90 = 59 °C under 10% O2, and an apparent activation energy of 63 kJ/mol, substantially outperforming commercial Hopcalite (T50 = 95 °C). In 20 L explosion vessel tests simulating 11% CH4 combustion at a catalyst loading of 200 g/m3, CO was reduced from 2.85% to 0.32% (89% reduction), extending the escape time factor to kes = 1.62. Continuous operation at 70 °C for 120 h maintained CO conversion above 96%, and three consecutive explosion cycles produced only a modest ~2% decline in activity, with post-test XRD confirming retention of the spinel phase. Mechanistic studies combining in situ DRIFTS and CO-TPD identify a Mars–van Krevelen pathway driven by surface Co3+ sites and reactive lattice oxygen. Full article
(This article belongs to the Special Issue Catalytic Soot Oxidation)
Show Figures

Graphical abstract

Back to TopTop