ChemEngineering, Vol. 8, Pages 44: An Experimental Study of Heat Transfer in Pool Boiling to Investigate the Effect of Surface Roughness on Critical Heat Flux ChemEngineering doi: 10.3390/chemengineering8020044 Authors: Bashar Mahmood Ali 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 modifications on the pool boiling process by conducting experiments on four distinct boiling surfaces under vario ..read more

ChemEngineering, Vol. 8, Pages 43: Evaluation of the Effect of Particle Size and Biomass-to-Water Ratio on the Hydrothermal Carbonization of Sugarcane Bagasse ChemEngineering doi: 10.3390/chemengineering8020043 Authors: Leidy Natalia Moreno-Chocontá Alejandra Sophia Lozano-Pérez 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 effect of biomass particle size and bi ..read more

ChemEngineering, Vol. 8, Pages 42: Application of Machine Learning Models in Coaxial Bioreactors: Classification and Torque Prediction ChemEngineering doi: 10.3390/chemengineering8020042 Authors: Ali Rahimzadeh Samira Ranjbarrad Farhad Ein-Mozaffari 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, remain unexplored. Nowadays, various numerical models, such as computational fluid dynamics ..read more

ChemEngineering, Vol. 8, Pages 39: Comparative Analysis of Donnan Steric Partitioning Pore Model and Dielectric Exclusion Applied to the Fractionation of Aqueous Saline Solutions through Nanofiltration ChemEngineering doi: 10.3390/chemengineering8020039 Authors: Aldo Saavedra Hugo Valdés Juan Velásquez Sebastián Hernández 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 Donnan Steric Partitioning ..read more

ChemEngineering, Vol. 8, Pages 38: New Approach for Sulfidation Process in Packed Bed with Hi-Fuel A310 Sorbent—Thermodynamical Studies ChemEngineering doi: 10.3390/chemengineering8020038 Authors: Clarisse Lorreyte Barbara Malinowska Vincent Butin Nathalie Ruscassier Joel Casalinho 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, and elemental analyses. Testing rev ..read more

ChemEngineering, Vol. 8, Pages 36: Introduction and Advancements in Room-Temperature Ferromagnetic Metal Oxide Semiconductors for Enhanced Photocatalytic Performance ChemEngineering doi: 10.3390/chemengineering8020036 Authors: Ganeshraja Ayyakannu Sundaram Govinda raj Muniyandi Jayashree Ethiraj Vairavel Parimelazhagan 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 ph ..read more

ChemEngineering, Vol. 8, Pages 37: Prevention and Control of the Spread of Pathogens in a University of Naples Engineering Classroom through CFD Simulations ChemEngineering doi: 10.3390/chemengineering8020037 Authors: Maria Portarapillo Salvatore Simioli Almerinda Di Benedetto 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, these systems will inevitably need to evolve to cope with the curre ..read more

ChemEngineering, Vol. 8, Pages 35: Profile of the Effectiveness Factor under Optimal Operating Conditions for the Conversion of Ortho-Xylene to Phthalic Anhydride in a Fixed-Bed Tubular Reactor ChemEngineering doi: 10.3390/chemengineering8020035 Authors: 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 Salvador Apolinar Trujillo-Pérez The objective of this research is to find the effectiveness factor of the catalyst particles for the most favorab ..read more

ChemEngineering, Vol. 8, Pages 34: Formulation and Characterization of Double Emulsions W/O/W Stabilized by Two Natural Polymers with Two Manufacturing Processes (Comparative Study) ChemEngineering doi: 10.3390/chemengineering8020034 Authors: Meriem Boudoukhani Madiha Melha Yahoum Kaouther Ezzroug Selma Toumi Sonia Lefnaoui Nadji Moulai-Mostefa Asma Nour El Houda Sid Hichem Tahraoui Mohammed Kebir Abdeltif Amrane Bassem Jaouadi Jie Zhang Four distinct types of multiple emulsions were synthesized using xanthan gum and pectin through two distinct manufacturing processes. The assessment encompass ..read more

ChemEngineering, Vol. 8, Pages 33: An Industrial Control System for Cement Sulfates Content Using a Feedforward and Feedback Mechanism ChemEngineering doi: 10.3390/chemengineering8020033 Authors: Dimitris Tsamatsoulis This study examines the design and long-term implementation of a feedforward and feedback (FF–FB) mechanism in a control system for cement sulfates applied to all types of cement produced in two mills at a production facility. We compared the results with those of a previous controller (SC) that operated in the same unit. The Shewhart charts of the annual SO3 mean v ..read more