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Catalysts, Volume 11, Issue 9

September 2021 - 118 articles

Cover Story: Water oxidation with an electron acceptor, such as Ce4+cations, mimics photosynthesis II. The catalytic reaction involves adsorbed water at the interface of IrO2 clusters between 5 and 10Å in size dispersed on a TiO2 anatase support, and Ce4+ cations were studied. The stability of the system, TON > 56,000, and the absence of an induction period may indicate that catalysts are not reconstructed under reaction conditions. TOF numbers extracted from TPR and XPS(Ir4f) were found to be similar, while those extracted from the particle shape (HR-STEM) were considerably larger. This difference indicates that bulk Ir atoms contribute to this electron transfer reaction. View this paper
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Articles (118)

  • Article
  • Open Access
5 Citations
4,666 Views
23 Pages

18 September 2021

This work recovered Ni or Cu cations from simulated electroplating wastewater to synthesize Ni/Cu nano-catalysts for H2 generation by ethanol steam reforming (ESR). Aluminum lathe waste was used as a framework to prepare the structured catalyst. Li–A...

  • Article
  • Open Access
2 Citations
2,414 Views
17 Pages

18 September 2021

Ni2+-NTA-boosted magnetic porous silica nanoparticles (Ni@MSN) to serve as ideal support for bi-functional enzyme were fabricated for the first time. The versatility of this support was validated by one-step purification and immobilization of bi-func...

  • Article
  • Open Access
10 Citations
3,634 Views
12 Pages

Photocatalytic Removal of Pharmaceuticals from Greywater

  • Bukola Ojobe,
  • Radek Zouzelka,
  • Barbora Satkova,
  • Magdalena Vagnerova,
  • Alzbeta Nemeskalova,
  • Martin Kuchar,
  • Jan Bartacek and
  • Jiri Rathousky

18 September 2021

High concentrations of pharmaceuticals have been detected in greywater effluents treated using up-to-date technologies. Finding a suitable additional treatment before this effluent is reused is urgently needed to ensure the reused water meets quality...

  • Feature Paper
  • Review
  • Open Access
89 Citations
10,967 Views
38 Pages

18 September 2021

The activity degradation of hydrogen-fed proton exchange membrane fuel cells (H2-PEMFCs) in the presence of even trace amounts of carbon monoxide (CO) in the H2 fuel is among the major drawbacks currently hindering their commercialization. Although s...

  • Feature Paper
  • Article
  • Open Access
13 Citations
4,325 Views
17 Pages

Enhanced Catalytic Soot Oxidation by Ce-Based MOF-Derived Ceria Nano-Bar with Promoted Oxygen Vacancy

  • Yu-Chih Tsai,
  • Jechan Lee,
  • Eilhann Kwon,
  • Chao-Wei Huang,
  • Nguyen Nhat Huy,
  • Siming You,
  • Pei-Syuan Hsu,
  • Wen Da Oh and
  • Kun-Yi Andrew Lin

18 September 2021

As CeO2 is a useful catalyst for soot elimination, it is important to develop CeO2 with higher contact areas, and reactivities for efficient soot oxidation and catalytic soot oxidation are basically controlled by structures and surface properties of...

  • Feature Paper
  • Review
  • Open Access
71 Citations
11,683 Views
30 Pages

The Catalysed Transformation of Vegetable Oils or Animal Fats to Biofuels and Bio-Lubricants: A Review

  • Martin Hájek,
  • Aleš Vávra,
  • Héctor de Paz Carmona and
  • Jaroslav Kocík

17 September 2021

This review paper summarizes the current state-of-the-art of the chemical transformation of oils/fats (i.e., triacylglycerols) to the use of biofuels or bio-lubricants in the means of transport, which is a novelty. The chemical transformation is nece...

  • Article
  • Open Access
14 Citations
5,691 Views
14 Pages

17 September 2021

Linoleic acid hydroperoxides are versatile intermediates for the production of green note aroma compounds and bifunctional ω-oxo-acids. An enzyme cascade consisting of lipoxygenase, lipase and catalase was developed for one-pot synthesis of 13-hydrop...

  • Review
  • Open Access
51 Citations
10,631 Views
48 Pages

Recent Progress in Catalytic Synthesis of 1,2,3-Triazoles

  • Antonio De Nino,
  • Loredana Maiuolo,
  • Paola Costanzo,
  • Vincenzo Algieri,
  • Antonio Jiritano,
  • Fabrizio Olivito and
  • Matteo Antonio Tallarida

17 September 2021

1,2,3-triazoles represent a functional heterocyclic core that has been at the center of modern organic chemistry since the beginning of click chemistry. Being a versatile framework, such an aromatic ring can be observed in uncountable molecules usefu...

  • Article
  • Open Access
5 Citations
3,460 Views
12 Pages

Catalytic Activity Enhancement of Cu-Zn-Based Catalyst for Methanol Steam Reforming with Magnetic Inducement

  • Sasimas Katanyutanon,
  • Dilpium Samarasinghe,
  • Luckhana Lawtrakul and
  • Pisanu Toochinda

16 September 2021

Magnetic inducement was applied during metal loading to enhance Cu-Zn catalysts for methanol steam reforming in the temperature range of 200–300 °C. The supports used in this study were the γ-Al2O3 support and CeO2-Al2O3 supports prepared under diffe...

  • Article
  • Open Access
8 Citations
4,450 Views
13 Pages

Removal of Tar Contents Derived from Lignocellulosic Biomass Gasification Facilities Using MgAl-LDH@clinoptilolite

  • I-Tae Kim,
  • Kwang-Ho Ahn,
  • Jinhong Jung,
  • Yoonah Jeong,
  • Dong-Chul Shin and
  • Ye-Eun Lee

16 September 2021

Gasification of lignocellulosic biomass requires the effective removal method of tar. This study focused on the application of specially designed Mg/Al-layered double hydroxides clinoptilolite (Mg/Al-LDH@clinoptilolite) to improve the removal efficie...

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Catalysts - ISSN 2073-4344