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ChemEngineering, Volume 8, Issue 2

April 2024 - 19 articles

Cover Story: Our research focuses on the UV treatment of emerging and persistent perfluoroalkyl substances (PFASs), such as 6:2 fluorotelomer sulfonamide alkyl betaine (6:2 FTAB). The impact of ultraviolet radiation on the degradation of these substances has been heralded for its resistance to environmental degradation. Through rigorous investigation, we have uncovered the intricate mechanisms involving the species responsible for the degradation of 6:2 FTAB under different pH conditions. Surprisingly, while PFOA showed pH-dependent degradation rates, 6:2 FTAB showed consistent degradation rates across pH levels. This research not only sheds light on effective pollutant reduction, but also paves the way for understanding the role of UV in environmental protection. View this paper
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Articles (19)

  • Article
  • Open Access
4 Citations
4,648 Views
17 Pages

Utilizing pool boiling as a cooling method holds significant importance within power plant industries due to its ability to effectively manage temperature differentials amidst high heat flux conditions. This study delves into the impact of surface mo...

  • Article
  • Open Access
14 Citations
4,391 Views
16 Pages

Evaluation of the Effect of Particle Size and Biomass-to-Water Ratio on the Hydrothermal Carbonization of Sugarcane Bagasse

  • Leidy Natalia Moreno-Chocontá,
  • Alejandra Sophia Lozano-Pérez and
  • Carlos Alberto Guerrero-Fajardo

The generation of platform chemicals and hydrochar is of great interest because they reduce dependence on fossil resources and contribute to climate change mitigation by reducing carbon emissions. The main objective of this study was to evaluate the...

  • Article
  • Open Access
7 Citations
2,675 Views
16 Pages

Application of Machine Learning Models in Coaxial Bioreactors: Classification and Torque Prediction

  • Ali Rahimzadeh,
  • Samira Ranjbarrad,
  • Farhad Ein-Mozaffari and
  • Ali Lohi

Coaxial bioreactors are known for effectively dispersing gas inside non-Newtonian fluids. However, due to their design complexity, many aspects of their design and function, including the relationship between hydrodynamics and bioreactor efficiency,...

  • Article
  • Open Access
2 Citations
4,666 Views
15 Pages

Experimental Study on the Reaction of Magnesium in Carbon Dioxide and Nitrogen Atmosphere

  • Ioan Barabulica,
  • Marius Sebastian Secula,
  • Adriana Mariana Asoltanei,
  • Eugenia Teodora Iacob-Tudose,
  • Gabriela Lisa and
  • Ioan Mamaliga

This manuscript presents an experimental study focusing on the combustion of magnesium in an atmosphere depleted of oxygen. The study explores various mixtures of carbon dioxide and nitrogen, examining their impact on the combustion performance. The...

  • Article
  • Open Access
1 Citations
2,811 Views
16 Pages

To simultaneously solve problems in an eco-friendly manner, introducing a waste residual as a sustainable conditioner to aid alum sludge dewatering is suggested as a cradle-to-cradle form of waste management. In this regard, the superiority of deep d...

  • Article
  • Open Access
6 Citations
5,341 Views
23 Pages

The aim of this study was to analyze, both theoretically and experimentally, the material transport mechanisms governing the separation of ionic species in aqueous solutions using nanofiltration membranes. To interpret the experimental results, the D...

  • Article
  • Open Access
2,081 Views
15 Pages

New Approach for Sulfidation Process in Packed Bed with Hi-Fuel A310 Sorbent—Thermodynamical Studies

  • Clarisse Lorreyte,
  • Barbara Malinowska,
  • Vincent Butin,
  • Nathalie Ruscassier,
  • Joel Casalinho and
  • Patrick Perré

This paper presents tests related to the reactivity of commercial Hi-Fuel sorbent toward H2S (H2S/N2 mixture) in a packed bed at 300 °C. The sorbent used for breakthrough test was characterized before and after test by ESEM-EDX, FTIR-ATR, Raman,...

  • Article
  • Open Access
1 Citations
2,080 Views
17 Pages

The design of ventilation and air conditioning systems in university classrooms is paramount to ensure students’ correct number of air changes per hour and an optimal thermal profile for their comfort. With the spread of the COVID-19 virus, the...

  • Review
  • Open Access
15 Citations
4,101 Views
41 Pages

Introduction and Advancements in Room-Temperature Ferromagnetic Metal Oxide Semiconductors for Enhanced Photocatalytic Performance

  • Ganeshraja Ayyakannu Sundaram,
  • Govinda raj Muniyandi,
  • Jayashree Ethiraj,
  • Vairavel Parimelazhagan and
  • Alagarsamy Santhana Krishna Kumar

Recent advancements in the field of room-temperature ferromagnetic metal oxide semiconductors (RTFMOS) have revealed their promising potential for enhancing photocatalytic performance. This review delves into the combined investigation of the photoca...

  • Article
  • Open Access
3,232 Views
24 Pages

Profile of the Effectiveness Factor under Optimal Operating Conditions for the Conversion of Ortho-Xylene to Phthalic Anhydride in a Fixed-Bed Tubular Reactor

  • Luis Américo Carrasco-Venegas,
  • Elsa Vásquez-Alvarez,
  • José Vulfrano González-Fernández,
  • Luz Genara Castañeda-Pérez,
  • Juan Taumaturgo Medina-Collana,
  • Guido Palomino-Hernández,
  • Daril Giovanni Martínez-Hilario and
  • Salvador Apolinar Trujillo-Pérez

The objective of this research is to find the effectiveness factor of the catalyst particles for the most favorable conditions of the phthalic anhydride production in a fixed bed reactor, with the aim of achieving the highest rate of phthalic anhydri...

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ChemEngineering - ISSN 2305-7084