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Catalysts, Volume 11, Issue 7

July 2021 - 116 articles

Cover Story: The selective catalytic reduction of NOx with ammonia (NH3-SCR) serves as one of the most efficient methods among the post-combustion technologies of NOx emission control. Until now, different catalysts were investigated in NH3-SCR, including Cu-ZSM-5, Cu-Y, Cu-Beta, Cu-SSZ-13, etc. Our studies clarified the effect of introduced mesoporosity on the activity of NH3-SCR over the Cu-ZSM-5 catalysts with a similar content of copper species. Furthermore, we filled the literature gap in the fundamental understanding of the effect of the presence of co-cation on the activity of Cu-ZSM-5 in NH33-SCR. The effect of the introduced co-cations was recognized only for Cu-Y and Cu-SSZ-13. Thus, our systematic studies provide a fundamental basis for knowledge-driven catalyst design and improvement. View this paper
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Articles (116)

  • Article
  • Open Access
8 Citations
3,251 Views
10 Pages

Enhanced SO2 Absorption Capacity of Sodium Citrate Using Sodium Humate

  • Zhiguo Sun,
  • Yue Zhou,
  • Shichao Jia,
  • Yaru Wang,
  • Dazhan Jiang and
  • Li Zhang

20 July 2021

A novel method of improving the SO2 absorption performance of sodium citrate (Ci-Na) using sodium humate (HA–Na) as an additive was put forward. The influence of different Ci-Na concentration, inlet SO2 concentration and gas flow rate on desulfurizat...

  • Feature Paper
  • Review
  • Open Access
16 Citations
5,362 Views
25 Pages

20 July 2021

Mild catalytic oxidation of thioethers and thiophenes is an important reaction for the synthesis of molecules with pharmaceutical interest, as well as for the development of efficient processes able to remove sulfur-containing pollutants from fuels a...

  • Feature Paper
  • Article
  • Open Access
16 Citations
3,600 Views
10 Pages

Highly Efficient Visible Light Photodegradation of Cr(VI) Using Electrospun MWCNTs-Fe3O4@PES Nanofibers

  • Alaa Mohamed,
  • Samy Yousef,
  • Shady Ali,
  • Mantas Sriubas,
  • Sarunas Varnagiris,
  • Simona Tuckute,
  • Mohammed Ali Abdelnaby and
  • Bahaa M. Kamel

20 July 2021

The development of highly efficient photocatalysis has been prepared by two different methods for the photodegradation of Cr(VI) from an aqueous solution under visible light. The electrospun polyethersulfone (PES)/iron oxide (Fe3O4) and multi-wall ca...

  • Communication
  • Open Access
6 Citations
2,748 Views
9 Pages

Encapsulation of Combi-CLEAs of Glycosidases in Alginate Beads and Polyvinyl Alcohol for Wine Aroma Enhancement

  • Luigi Tavernini,
  • Carla Aburto,
  • Oscar Romero,
  • Andrés Illanes and
  • Lorena Wilson

20 July 2021

The aromatic expression of wines can be enhanced by the addition of specific glycosidases, although their poor stability remains a limitation. Coimmobilization of glycosidases as cross-linked enzyme aggregates (combi-CLEAs) offers a simple solution y...

  • Review
  • Open Access
48 Citations
14,927 Views
21 Pages

Conversion of Green Methanol to Methyl Formate

  • Doreen Kaiser,
  • Luise Beckmann,
  • Jan Walter and
  • Martin Bertau

20 July 2021

Methyl formate is a key component for both defossilized industry and mobility. The current industrial production via carbonylation of methanol has various disadvantages such as high requirements on reactant purity and low methanol conversion rates. I...

  • Article
  • Open Access
10 Citations
3,598 Views
15 Pages

Sustainable Hydrogen Production from Starch Aqueous Suspensions over a Cd0.7Zn0.3S-Based Photocatalyst

  • Anna Y. Kurenkova,
  • Tatiana B. Medvedeva,
  • Nikolay V. Gromov,
  • Andrey V. Bukhtiyarov,
  • Evgeny Y. Gerasimov,
  • Svetlana V. Cherepanova and
  • Ekaterina A. Kozlova

20 July 2021

We explored the photoreforming of rice and corn starch with simultaneous hydrogen production over a Cd0.7Zn0.3S-based photocatalyst under visible light irradiation. The photocatalyst was characterized by UV–vis diffuse reflectance spectroscopy, X-ray...

  • Article
  • Open Access
2 Citations
3,649 Views
8 Pages

Decomposition of Tars on a Nickel Honeycomb Catalyst

  • Joanna Woroszył-Wojno,
  • Michał Młotek,
  • Michalina Perron,
  • Paweł Jóźwik,
  • Bogdan Ulejczyk and
  • Krzysztof Krawczyk

19 July 2021

Biomass can be considered a renewable energy source. It undergoes a gasification process to obtain gaseous fuel, which converts it into combustible gaseous products such as hydrogen, carbon monoxide, and methane. The process also generates undesirabl...

  • Feature Paper
  • Review
  • Open Access
47 Citations
8,190 Views
21 Pages

Heterogeneous Catalysts for the Conversion of Glucose into 5-Hydroxymethyl Furfural

  • Christiaan H. L. Tempelman,
  • Ryan Oozeerally and
  • Volkan Degirmenci

19 July 2021

Lignocellulosic biomass, a cheap and plentiful resource, could play a key role in the production of sustainable chemicals. The simple sugars contained in the renewable lignocellulosic biomass can be converted into commercially valuable products such...

  • Article
  • Open Access
10 Citations
3,828 Views
13 Pages

19 July 2021

In this study, we isolated and identified a thermophilic strain of Aspergillus fumigatus from the “Daqu” samples. Transcriptomic analysis of A. fumigatus identified 239 carbohydrate-active enzymes (CAZy)-encoding genes, including 167 glycoside hydrol...

  • Article
  • Open Access
8 Citations
5,085 Views
11 Pages

Selective Oxidation of Cinnamyl Alcohol to Cinnamaldehyde over Functionalized Multi-Walled Carbon Nanotubes Supported Silver-Cobalt Nanoparticles

  • Zahoor Iqbal,
  • Muhammad Sufaid Khan,
  • Rozina Khattak,
  • Tausif Iqbal,
  • Ivar Zekker,
  • Muhammad Zahoor,
  • Helal F. Hetta,
  • Gaber El-Saber Batiha and
  • Eida M. Alshammari

19 July 2021

The selective oxidation of alcohols to aldehydes has attracted a lot of attention because of its potential use in agrochemicals, fragrances, and fine chemicals. However, due to homogenous catalysis, low yield, low selectivity, and hazardous oxidants,...

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Catalysts - ISSN 2073-4344