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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
18 Citations
4,368 Views
14 Pages

Plasma-Catalytic Process of Hydrogen Production from Mixture of Methanol and Water

  • Bogdan Ulejczyk,
  • Łukasz Nogal,
  • Paweł Jóźwik,
  • Michał Młotek and
  • Krzysztof Krawczyk

19 July 2021

In the present work the process of hydrogen production was conducted in the plasma-catalytic reactor, the substrates were first treated with plasma and then introduced into the catalyst bed. Plasma was produced by a spark discharge. The discharge pow...

  • Article
  • Open Access
7 Citations
3,388 Views
11 Pages

An Investigation into the Bulk and Surface Phase Transformations of Bimetallic Pd-In/Al2O3 Catalyst during Reductive and Oxidative Treatments In Situ

  • Nadezhda S. Smirnova,
  • Evgeny V. Khramov,
  • Galina N. Baeva,
  • Pavel V. Markov,
  • Andrey V. Bukhtiyarov,
  • Yan V. Zubavichus and
  • Aleksander Y. Stakheev

18 July 2021

A series of oxidative treatments of PdIn-supported intermetallic nanoparticles at different temperatures were performed. The bulk and surface structure of catalyst during phase transformation was investigated by bulk- and surface-sensitive techniques...

  • Article
  • Open Access
8 Citations
3,061 Views
12 Pages

17 July 2021

With the increase in gas population, the demand for clean and renewable energy is increasing. Hydrogen energy has a high combustion conversion energy while water is its combustion product. In recent years, a way to convert water into hydrogen and oxy...

  • Feature Paper
  • Article
  • Open Access
22 Citations
4,323 Views
14 Pages

17 July 2021

Solar-driven photoelectrochemical (PEC) water splitting, using semiconductor photoelectrodes, is considered a promising renewable energy source and solution for environmental sustainability. Herein, we report polyvinyl alcohol (PVA) as a binder mater...

  • Article
  • Open Access
4 Citations
4,217 Views
11 Pages

17 July 2021

We report N-iodosuccinimide as the most efficient and selective precatalyst among the N-halosuccinimides for dehydrative O-alkylation reactions between various alcohols under high-substrate concentration reaction conditions. The protocol is non-metal...

  • Article
  • Open Access
4 Citations
3,096 Views
13 Pages

Quarry Residue: Treatment of Industrial Effluent Containing Dye

  • Lariana Negrão Beraldo de Almeida,
  • Tatiana Gulminie Josué,
  • Othavio Henrique Lupepsa Nogueira,
  • Daniele Toniolo Dias,
  • Angelo Marcelo Tusset,
  • Onélia Aparecida Andreo dos Santos and
  • Giane Gonçalves Lenzi

16 July 2021

This work is devoted to the investigation of the discoloration of the synthetic and industrial effluent, using a quarry residue (MbP), which is a material naturally composed of mixed oxides, compared to zinc oxide (ZnO), acting as photocatalysts and...

  • Article
  • Open Access
6 Citations
3,767 Views
13 Pages

Sustainable Production of Glycolipids by Biocatalyst on Renewable Deep Eutectic Solvents

  • Laura V. Hoyos,
  • Laura Ramírez,
  • Cristhian J. Yarce,
  • Carlos Alvarez-Vasco and
  • Nelson H. Caicedo Ortega

16 July 2021

Glycolipids have become an ecofriendly alternative to chemically obtained surfactants, mainly for the cosmetic, pharmaceutical, and food industries. However, the sustainable production of these compounds is still challenging, because: (i) water is a...

  • Feature Paper
  • Article
  • Open Access
40 Citations
5,909 Views
15 Pages

Perovskite Zinc Titanate Photocatalysts Synthesized by the Sol–Gel Method and Their Application in the Photocatalytic Degradation of Emerging Contaminants

  • Wei-Yu Chen,
  • Ching-Ping Wang,
  • Po-Chou Chen,
  • Kun-Yi Andrew Lin,
  • Surajit Ghosh,
  • Chao-Wei Huang and
  • Van-Huy Nguyen

16 July 2021

In this study, perovskite ZnTiO3 photocatalysts were fabricated by the sol–gel method. The photocatalytic capability was verified by the degradation of the emerging contaminant, the antibiotic amoxicillin (AMX). For the preparation, the parameters of...

  • Article
  • Open Access
39 Citations
3,359 Views
17 Pages

Photocatalytic Treatment of Wastewater Containing Simultaneous Organic and Inorganic Pollution: Competition and Operating Parameters Effects

  • Ahmed Amine Azzaz,
  • Salah Jellali,
  • Nasser Ben Harharah Hamed,
  • Atef El Jery,
  • Lotfi Khezami,
  • Aymen Amine Assadi and
  • Abdeltif Amrane

16 July 2021

In the present study, methylene blue (MB) removal from aqueous solutions via the photocatalytic process using TiO2 as a catalyst in the presence of external ultra-violet light (UV) was investigated. The results of adsorption in the absence of UV radi...

  • Article
  • Open Access
18 Citations
3,290 Views
17 Pages

Catalytic Hydrothermal Liquefaction of Penicillin Residue for the Production of Bio-Oil over Different Homogeneous/Heterogeneous Catalysts

  • Chen Hong,
  • Zhiqiang Wang,
  • Yanxiao Si,
  • Yi Xing,
  • Jian Yang,
  • Lihui Feng,
  • Yijie Wang,
  • Jiashuo Hu,
  • Zaixing Li and
  • Yifei Li

15 July 2021

In this study, penicillin residue (PR) was used to prepare bio-oil by hydrothermal liquefaction. The effects of homogeneous (organic acid and alkaline catalysts) and heterogeneous catalysts (zeolite molecular sieve) on the yield and properties of bio...

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Catalysts - ISSN 2073-4344