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ChemEngineering, Volume 9, Issue 1

2025 February - 20 articles

Cover Story: Stereolithography technology was used to develop novel monolithic catalysts with different geometries. Four differently shaped ceramic monolithic catalyst supports were prepared, and two catalytically active mixed oxides, MnFeOx and MnCuOx, were deposited on the monolithic supports using the impregnation technique. It was found that the obtained catalyst has excellent mechanical stability and a rough but homogeneous catalyst layer consisting of the double oxides FeMnO3 and CuMn2O4, as well as the single oxides of Mn, Fe, and Cu. The catalytic activity of the catalysts produced for the catalytic oxidation of a gaseous mixture of benzene, toluene, ethylbenzene, and o-xylene (BTEX) was investigated. The monolithic support with the most complex shape and, consequently, the largest surface area proved to be the one with the highest efficiency. View this paper
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Articles (20)

  • Article
  • Open Access
1,579 Views
28 Pages

Model fitting of laboratory-generated experimental data is a foundational task in engineering, bridging theoretical models with real-world data to enhance predictive accuracy. This process is particularly valuable in batch dynamic experiments, where...

  • Article
  • Open Access
1,508 Views
23 Pages

Catalytic Hydrothermal Production of Platform Chemicals from Coffee Biomass Using Organic Acids as Catalysts

  • Alejandra Sophia Lozano Pérez,
  • Valentina Romero Mahecha and
  • Carlos Alberto Guerrero Fajardo

Coffee cherry waste, a byproduct of coffee production, presents significant environmental challenges due to its large volume—approximately 20 million tons annually. The disposal of this waste, which includes pulp and mucilage, often leads to po...

  • Article
  • Open Access
1,623 Views
17 Pages

Experimental Data and Thermodynamics Modeling (eNRTL and mUNIFAC) of the (Cyclohexane + Benzene + N,N-Dimethylformamide + Sodium Thiocyanate) Systems

  • Stephanie Lenhare,
  • Beatriz Fernanda Bonfim de Souza,
  • Fernanda Viana Miyasaki,
  • André Zuber,
  • Pedro Arce,
  • Leandro Ferreira-Pinto,
  • Stéphani Caroline Beneti,
  • Lúcio Cardozo-Filho and
  • Andréia Fátima Zanette

This study investigates the liquid–liquid equilibrium (LLE) of a cyclohexane (1) + benzene (2) + [N,N-dimethylformamide + sodium thiocyanate] (3) system. Experimental tie-line data were obtained at 298.15 K and 318.15 K under atmospheric pressu...

  • Article
  • Open Access
4 Citations
1,910 Views
14 Pages

Lentil-Husk-Mediated Green Synthesis of Silver Nanoparticles: Characterization and Antibacterial Activity

  • Kshama Parajuli,
  • Lekha Nath Khanal,
  • Ganga GC,
  • Samjhana Koju,
  • Shushan Bhujel,
  • Devendra Khadka,
  • Motee Lal Sharma,
  • Bishweshwar Pant and
  • Bhoj Raj Poudel

Plant-based preparation of nanomaterials has become a recent global research focus due to its cost-effectiveness, sustainability, and environmentally friendly approach. This study aims to synthesize silver nanoparticles (HAgNPs) using red lentil husk...

  • Article
  • Open Access
3 Citations
3,022 Views
12 Pages

The current electrolytes used for metal electrodeposition mostly use aqueous solutions that limit the range and quality of possible coatings. Also, some of these solutions may contain toxic and corrosive chemicals. Thus, the importance of ionic liqui...

  • Feature Paper
  • Article
  • Open Access
1 Citations
1,887 Views
18 Pages

Pyrolysis-GCMS of Plastic and Paper Waste as Alternative Blast Furnace Reductants

  • Eurig Wyn Jones,
  • Julian Steer,
  • Fawaz Ojobowale,
  • Richard Marsh and
  • Peter J. Holliman

This paper reports studies on the thermal chemistry of the flash pyrolysis (heating rate of 20,000 °C/s up to 800 °C) of non-fossil fuel carbon (NFF-C) waste (or refuse-derived fuel, RDF) in the context of using this as an alternative reducta...

  • Article
  • Open Access
1,218 Views
12 Pages

Hyaluronic acid (HA), a natural polymer produced through biotechnological processes, is initially synthesized with a high molecular weight, which is subsequently reduced for specific applications. This work aims to develop an experimental laboratory...

  • Review
  • Open Access
16 Citations
11,914 Views
30 Pages

A Review of Air Pollution from Petroleum Refining and Petrochemical Industrial Complexes: Sources, Key Pollutants, Health Impacts, and Challenges

  • Ronan Adler Tavella,
  • Flavio Manoel Rodrigues da Silva Júnior,
  • Mariany Almeida Santos,
  • Simone Georges El Khouri Miraglia and
  • Renato Dutra Pereira Filho

Petroleum refining and petrochemical complexes are significant sources of air pollution, emitting a variety of harmful pollutants with substantial health risks for nearby populations. While much of the information regarding this issue and the potenti...

  • Article
  • Open Access
2 Citations
2,059 Views
20 Pages

Terephthalic-co-glycerol-g-fumaric Acid: A Promising Nanopolymer for Enhancing PPSU Membrane Properties

  • Harith A. Alani,
  • Qusay F. Alsalhy,
  • Saad Al-Saadi,
  • Faris H. Alani,
  • Hicham Meskher,
  • Raed A. Al-Juboori,
  • Francesca Russo,
  • Giampiero Chiappetta,
  • Giuseppe Di Luca and
  • Alberto Figoli

This study introduces an innovative approach to modifying polyphenylsulfone (PPSU) membranes for wastewater treatment applications. Terephthalic-co-glycerol-g-fumaric acid (TGF) was used as an innovative nanopolymer pore former. By incorporating TGF...

  • Article
  • Open Access
1,104 Views
14 Pages

Influence of Oil-Soluble Catalyst on Composition and Structure of Heavy Oil from Samara Region Field

  • Mohammed O. N. Ali,
  • Irek I. Mukhamatdinov,
  • Boudkhil Affane,
  • Rezeda E. Mukhamatdinova,
  • Vladimir E. Katnov and
  • Alexey V. Vakhin

In this study, an examination was conducted of the influence of iron tallate on the composition and properties of highly viscous oil from the Strelovskoye deposit in the Samara region under thermal–catalytic treatment (TCT). The research reveal...

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ChemEngineering - ISSN 2305-7084