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Catalysts, Volume 15, Issue 8

August 2025 - 102 articles

Cover Story: This review explores the integrated technology that couples CO2 adsorption with in situ catalytic conversion in a single reactor, eliminating the energy-intensive desorption step of conventional carbon capture. By exploiting micropore confinement and surface electron transfer, the approach enriches CO2 locally, lowers activation energy, and enables low-temperature formation of valuable chemicals such as methanol and carbonates. Key materials—Composite MOFs, Alkali Metal Oxides, and Carbon-Based Hybrid Materials—exhibit high capacity and stability, while concepts such as moving bed reactors support continuous operation. This technology provides a simplified, safer, and more economical path for carbon utilization and emission reduction. View this paper
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Articles (102)

  • Article
  • Open Access
906 Views
16 Pages

Design and Optimization of Trimetallic NiCoFe Catalysts for Efficient Dry Reforming of Methane

  • Ghazaleh Khoshroo,
  • Anastasiia Efremova,
  • Haythem S. Basheer,
  • Imre Szenti,
  • Masoud Shirzadi Ahou Dashti,
  • Ákos Szamosvölgyi,
  • András Erdőhelyi,
  • András Sápi,
  • Ákos Kukovecz and
  • Zoltán Kónya

21 August 2025

Dry reforming of methane is an advantageous technique to produce syngas by using greenhouse gases like CO2 and CH4. This study investigated the stability, catalytic effectiveness, and physicochemical characteristics of mono- and trimetallic catalysts...

  • Article
  • Open Access
1,037 Views
12 Pages

Rapid Biodecolorization of Azo Dyes by Shewanella oneidensis MR-1 Under Aerobic Conditions

  • Yuelei Wang,
  • Yuqi Liu,
  • Xiaojun Zhang,
  • Lu Cheng,
  • Daizong Cui,
  • Min Zhao and
  • Xianchun Zong

21 August 2025

This study investigated the aerobic biodecolorization of azo dyes by Shewanella oneidensis MR-1. S. oneidensis MR-1 can rapidly degrade azo dyes under aerobic conditions, even at high concentrations of up to 270 mg/L, demonstrating remarkable dye dec...

  • Article
  • Open Access
1,683 Views
21 Pages

High-Pressure Catalytic Ethanol Reforming for Enhanced Hydrogen Production Using Efficient and Stable Nickel-Based Catalysts

  • Feysal M. Ali,
  • Pali Rosha,
  • Karen Delfin,
  • Dean Hoaglan,
  • Robert Rapier,
  • Mohammad Yusuf and
  • Hussameldin Ibrahim

21 August 2025

The urgent need to address the climate crisis demands a swift transition from fossil fuels to renewable energy. Clean hydrogen, produced through ethanol steam reforming (ESR), offers a viable solution. Traditional ESR operates at atmospheric pressure...

  • Feature Paper
  • Article
  • Open Access
1,286 Views
17 Pages

20 August 2025

Niacin is a compound with a wide range of applications in pharmaceuticals, healthcare, food nutrition, animal breeding, cosmetics, etc. A recombinant Escherichia coli carrying the afnitA nitrilase gene was created to transform 3-cyanopyridine into ni...

  • Review
  • Open Access
2 Citations
2,449 Views
48 Pages

ZnO-Based Photocatalysts: Synergistic Effects of Material Modifications and Machine Learning Optimization

  • Sanja J. Armaković,
  • Stevan Armaković,
  • Andrijana Bilić and
  • Maria M. Savanović

20 August 2025

ZnO-based photocatalysts have attracted significant attention for their potential use in advanced oxidation processes for environmental remediation. However, critical challenges, such as rapid charge carrier recombination and narrow light absorption,...

  • Article
  • Open Access
1,107 Views
19 Pages

Enhancing the Production of Thermostable Mangrovibacter plantisponsor Xylanase for Application in Breadmaking

  • Wafa A. Alshehri,
  • Ebtihal M. Alharbi,
  • Bilel Hadrich,
  • Ashjan F. Khalel,
  • Fatimah S. Alqahtani,
  • Yaaser Q. Almulaiky and
  • Adel Sayari

20 August 2025

Xylanase was isolated from a newly isolated Mangrovibacter plantisponsor UMTKB-3 strain. The response surface methodology was employed to optimize extracellular xylanase production; the best experimental value (25 ± 0.12 U/mL) was obtained whe...

  • Feature Paper
  • Review
  • Open Access
3 Citations
2,488 Views
26 Pages

20 August 2025

With increasing demands for sustainable chemical production, bioethanol-derived ethylene offers a promising alternative to petroleum-based routes. This review examines recent advances in metal-modified zeolites for the catalytic conversion of bioetha...

  • Article
  • Open Access
2 Citations
1,396 Views
13 Pages

Surfactant-Assisted Catalyst Ink Dispersion for Enhanced Cell Performance of Proton Exchange Membrane Fuel Cells

  • Jaeyoung Kim,
  • Dong-Hyun Lee,
  • Hyun-Soo Kim,
  • Gyungse Park,
  • In-Tae Kim,
  • Md. Masud Rana,
  • Hyoung-Juhn Kim,
  • Ho-Jung Sun and
  • Joongpyo Shim

19 August 2025

This study examines the effects of several commercial surfactants on the dispersion of catalyst inks for proton exchange membrane fuel cells (PEMFCs). Catalyst inks containing Pt/C were spray-coated and assembled into membrane electrode assemblies (M...

  • Article
  • Open Access
1,038 Views
12 Pages

Engineering Malic Enzyme CO2 Fixation Activity via a Structure–Sequence–SCANNER (3S) Co-Evolution Strategy

  • Jianping Shi,
  • Mingdong Wang,
  • Ting Feng,
  • Xianglong Li,
  • Yanbin Feng and
  • Song Xue

18 August 2025

Enzymatic CO2 fixation offers great potential for the sustainable synthesis of value-added compounds. Malic enzyme (ME) catalyzes the reverse carboxylation of pyruvate to malate, enabling direct CO2 conversion into C4 compounds with broad biosyntheti...

  • Article
  • Open Access
787 Views
12 Pages

18 August 2025

Herein, carbon nanofiber (CNF) was prepared by pyrolyzing electrospun cellulose nanofiber, which was further used to incorporate with graphitic carbon nitride (g-C3N4) to prepare metal-free photocatalyst (CNF/g-C3N4). CNF/g-C3N4 was then used to degr...

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Catalysts - ISSN 2073-4344