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Catalysts, Volume 15, Issue 10

October 2025 - 86 articles

Cover Story: In this work, we investigated the co-deposition of copper and iron species on hydroxyapatite to prepare catalysts for NH3-SCR. Hydroxyapatite is an eco-friendly material that can be derived from various waste streams, easily functionalized with controlled metal loadings, and safely disposed of. Its catalytic potential extends to various reactions for environmental protection, with further applications yet to be explored. Targeted characterization revealed no direct interaction between Cu and Fe species, regardless of loading, indicating that the metals were not sufficiently close to enable cooperative effects. Absence of catalytic synergy in the reaction confirmed these findings. Interestingly, the bimetallic catalysts exhibited improved water resistance compared to their monometallic counterparts, with iron acting in a sacrificial role. View this paper
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Articles (86)

  • Article
  • Open Access
935 Views
24 Pages

Synthesis of Plant-Mediated Silver-Doped Metal Oxides Using Catharanthus roseus and Evaluation of Their Catalytic and Biological Activities

  • Samira M. Alsawqaee,
  • Eman A. Alzahrani,
  • Esraa M. Bakhsh,
  • Kalsoom Akhtar and
  • Sher Bahadar Khan

21 October 2025

This study explores the green synthesis of silver-doped lanthanum oxide (La/Ag), silver-doped yttrium oxide (Y/Ag), and silver-doped lanthanum–yttrium oxide (La/Y/Ag) nanocomposites using Catharanthus roseus extract as a natural reducing and st...

  • Article
  • Open Access
771 Views
19 Pages

21 October 2025

Cytochrome P450 enzymes (CYPs) are versatile biocatalysts capable of performing selective oxidation reactions valuable for industrial and pharmaceutical applications. However, their catalytic efficiency is often constrained by dependence on costly el...

  • Article
  • Open Access
913 Views
18 Pages

Enhancing CO2 Desorption Efficiency in Activated MDEA Using Titanium Oxyhydrate Particles

  • Siti Aishah Mohd Rozaiddin,
  • Kok Keong Lau and
  • Fatemeh Shokrollahi

20 October 2025

The urgent global issue of climate change caused by rising carbon dioxide (CO2) levels has led to the widespread use of gas separation processes. Among the available processes, chemical absorption has received more attention due to its maturity and h...

  • Feature Paper
  • Article
  • Open Access
950 Views
19 Pages

SDS/Carbomer Dual-Stabilized Emulsion: An Efficient Pharmaceutical Formulation for Immobilized CALB Activity

  • Joanna Siódmiak,
  • Jacek Dulęba,
  • Dominik Mieszkowski,
  • Piotr Bilski and
  • Tomasz Siódmiak

20 October 2025

A promising area of emulsion system research is biocatalysis, particularly lipase-catalyzed reactions. Recognizing the potential of emulsions stabilized by both an emulsifier and a polymer, we conducted experimental studies to evaluate the effectiven...

  • Article
  • Open Access
862 Views
24 Pages

19 October 2025

Bio-waste from potato shell agro-waste-based photocatalyst is introduced using potato shell integrated with Fe3O4 nanoparticles as a novel photocatalyst for photo-Fenton oxidation reaction. The catalyst was prepared via thermal activation of biochar,...

  • Article
  • Open Access
756 Views
26 Pages

The Green Preparation of ZrO2-Modified WO3-SiO2 Composite from Rice Husk and Its Excellent Oxidative Desulfurization Performance

  • Hao Li,
  • Xiaorong Xiang,
  • Yinhai Zhang,
  • Huiqing Cheng,
  • Qian Chen,
  • Xiang Li,
  • Feng Wu and
  • Xiaoxue Liu

19 October 2025

Recently, the resource utilization of agricultural biomass wastes for the preparation of a wide range of high-value-added chemicals and functional materials, especially heterogeneous catalysts, has received extensive attention from researchers. In th...

  • Feature Paper
  • Article
  • Open Access
2 Citations
734 Views
16 Pages

19 October 2025

The increasing discharge of organic pollutants such as dyes and antibiotics poses severe threats to aquatic ecosystems and human health. Conventional wastewater treatment methods are often limited by high energy consumption, secondary pollution, or l...

  • Article
  • Open Access
799 Views
14 Pages

Promoting Effects of Acid Treatment on Catalytic Performance of K-Sepiolite Clay Fibers for Soot Oxidation

  • Haizhen Li,
  • Wensheng Yang,
  • Jiateng Hu,
  • Mengjiao Niu,
  • Shengjian Qin,
  • Zhigang Yang and
  • Gang Yu

17 October 2025

In this study, sepiolite clay fibers were activated through hydrochloric acid acidification at various concentrations. The effects of different acid environments on the phase structure, morphology, and physicochemical properties of the activated sepi...

  • Article
  • Open Access
1 Citations
571 Views
20 Pages

Naproxen Degradation Using NiO Synthesized via Ultrasonic Spray Pyrolysis on Ni–Fe Foam by Ozone

  • George Luis Morejón Aguila,
  • Julia Liliana Rodríguez Santillán,
  • Tatyana Poznyak,
  • Yair Cruz Narváez,
  • Héctor F. Mendoza León,
  • Luis Lartundo Rojas,
  • Claudia Jazmín Ramos Torres and
  • José J. Castro Arellano

17 October 2025

Naproxen (NPX), a nonsteroidal anti-inflammatory drug, is considered an emerging contaminant due to its persistence and potential environmental risks. In this study, NPX degradation was investigated through ozonation using nickel–iron foam (NiF...

  • Article
  • Open Access
804 Views
17 Pages

Three-Dimensionally Ordered Macroporous La2O3-Supported Ni Catalyst for Methane Dry Reforming

  • Shoufu Li,
  • Aizhong Ding,
  • Wenchuan Zhang,
  • Zhongdong Xie,
  • Marco Petrangeli Papini,
  • Yuanyan Xuan and
  • Hongguang Zheng

17 October 2025

Three-dimensionally ordered macroporous (3DOM) La2O3-supported Ni catalysts exhibit outstanding performance for methane dry reforming (DRM). The 5Ni/La2O3-3DOM catalyst achieves 79% CH4 and 84% CO2 conversions at 800 °C under the reaction conditi...

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Catalysts - ISSN 2073-4344