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Catalysts, Volume 14, Issue 11

November 2024 - 98 articles

Cover Story: The reports on the modification of CeO2 are mainly focused on its morphological design instead of the direct adjusting  of its surface properties. Here, a series of CeO2-X catalysts (X = 9/11/13) was synthesized via simple impregnation in KOH solution. These modified CeO2-X possess an increasing number of surface basic sites and an enhanced CO2 adsorption capacity. To evaluate the catalytic ability of CeO2-X, a novel reactor was designed which enables the solvent-free polymerization of 1,6-hexanediol (HDO) and CO2 at atmospheric pressure (0.1 MPa). The result showed that oligomeric carbonate diols were successfully synthesized and that CeO2-11 exhibited a 50% improvement in catalytic activity over the unmodified CeO2. In addition to the number of basic sites, the importance of the catalyst's specific surface area in its catalytic performance has also been discussed. View this paper
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Articles (98)

  • Article
  • Open Access
2 Citations
1,970 Views
16 Pages

Synthesis and Experimental Screening of Catalysts for H2S to H2 Decomposition Under Close-to-Industry Conditions

  • Timur Palankoev,
  • Anton Manakhov,
  • Andrey Kovalskii,
  • Ekaterina Sukhanova,
  • Zakhar Popov,
  • Dmitry Chareev,
  • Konstantin Dement’ev,
  • Anton Maximov and
  • Abdulaziz Al-Qasim

20 November 2024

The chemical engineering community has shown significant interest in investigating methods to decompose hydrogen sulfide into hydrogen and sulfur. However, there is still a lack of detailed experimental data enabling us to choose the optimal catalyst...

  • Article
  • Open Access
1 Citations
2,481 Views
14 Pages

Electrochemical Ammonia Synthesis from Dilute Gaseous Nitric Oxide Reduction at Ambient Conditions

  • Haroon Ur Rasheed,
  • Jae Hyung Kim,
  • Taek-Seung Kim,
  • Kyungho Lee,
  • Joonmok Shim,
  • Sung Hyung Kim and
  • Hyung Chul Yoon

20 November 2024

Converting gaseous nitric oxide (NO) to ammonia (NH3) is important because of its environmental and industrial implications. The electrochemical transformation of nitrogen (N2) to NH3 faces several challenges, including a slow reaction rate and low F...

  • Article
  • Open Access
3 Citations
2,138 Views
15 Pages

Assessing the Degradation of Levofloxacin in Aqueous Media by Metal-Free g-C3N4 Photocatalyst Under Simulated Solar Light Irradiation

  • Truong Nguyen Xuan,
  • Dien Nguyen Thi,
  • Cong Le Thanh,
  • Thu Mai Thi,
  • Thu Le Dieu,
  • Trung Nguyen Duc and
  • Ottó Horváth

20 November 2024

Graphitic carbon nitride (g-C3N4) as a fascinating conjugated polymer has attracted considerable attention due to its outstanding electronic properties, high physicochemical stability, and unique structure. In this work, we reported the characterizat...

  • Feature Paper
  • Article
  • Open Access
1 Citations
1,537 Views
13 Pages

Tetranuclear N-Heterocyclic Carbene Palladium Acetate—The Fast-Initiating Precatalyst of Suzuki Coupling

  • Sylwia Ostrowska,
  • Szymon Rogalski,
  • Maciej Kubicki and
  • Cezary Pietraszuk

20 November 2024

A tetranuclear N-heterocyclic palladium carbene acetate, characterised by a [Pd]/[NHC] = 2/1 ratio, was synthesised and shown to be catalytically active in Suzuki coupling. Single crystal XRD studies of the complex revealed its unprecedented geometry...

  • Article
  • Open Access
1 Citations
1,944 Views
15 Pages

Hydrogen Production Through Water Splitting Reactions Using Zn-Al-In Mixed Metal Oxide Nanocomposite Photocatalysts Induced by Visible Light

  • Monserrat Suárez-Quezada,
  • Víctor Manuel Suárez-Quezada,
  • Fernando Tobola-Inchaurregui,
  • Socorro Oros-Ruiz and
  • Sandra Cipagauta-Díaz

20 November 2024

In this study, the synthesis of hybrid photocatalysts of Zn-Al-In mixed metal oxides were activated by using visible light, derived from Zn-Al-In layered double hydroxide (ZnAlIn-LDH), and these nanocomposites demonstrated high efficiency for photoca...

  • Article
  • Open Access
3 Citations
3,099 Views
16 Pages

20 November 2024

In this study, we conducted a comparative analysis of the catalytic behavior of Ni-CaO-Al2O3 dual functional material (DFM) and a physical mixture of Ni-Al2O3 and CaO-Al2O3 in the integrated carbon capture methanation (ICCM) process for promoted meth...

  • Article
  • Open Access
2 Citations
1,128 Views
15 Pages

19 November 2024

The photocatalytic conversion of ethanol and the simultaneous development of hydrogen technology play a role in solving the energy crisis and reducing environmental pollution. In this research, rod-like M-MoS2 serves as a channel for charge transfer,...

  • Article
  • Open Access
2 Citations
3,341 Views
18 Pages

19 November 2024

The pairs of Cu2O/CuO and CoO/Co3O4 as the carriers of transferring oxygen and storing heat are essential for the recently emerged high-temperature thermochemical energy storage (TCES) system. Reported research results of Cu2O and CoO oxidation kinet...

  • Article
  • Open Access
18 Citations
3,331 Views
36 Pages

Eco-Friendly Synthesis of ZnO Nanoparticles for Quinoline Dye Photodegradation and Antibacterial Applications Using Advanced Machine Learning Models

  • Hayet Chelghoum,
  • Noureddine Nasrallah,
  • Hichem Tahraoui,
  • Mahmoud F. Seleiman,
  • Mustapha Mounir Bouhenna,
  • Hayet Belmeskine,
  • Meriem Zamouche,
  • Souhila Djema,
  • Jie Zhang and
  • Amina Mendil
  • + 3 authors

19 November 2024

Community drinking water sources are increasingly contaminated by various point and non-point sources, with emerging organic contaminants and microbial strains posing health risks and disrupting ecosystems. This study explores the use of zinc oxide n...

  • Article
  • Open Access
1 Citations
1,609 Views
11 Pages

18 November 2024

Several approaches have been reported that aim to achieve simplified standardizations of the kinetic behavior of immobilized enzymes under specific experimental conditions. We have previously published simplified rate equations based on the kinetics...

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Catalysts - ISSN 2073-4344