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ChemEngineering
Scopus
ISSN 2305-7084 · MDPI AG · 921 artikel di indeks
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Adsorption of Perfluorooctanoic Acid from Aqueous Media Using an Engineered Sugarcane Bagasse Biochar–Chitosan Composite
In the recent years, several studies from developing economies have reported the presence of per- and polyfluoroalkyl substances (PFAS) in water bodies, with perfluorooctanoic acid (PFOA) predominating, a potential endocrine disruptor. In this study, an engineered sugarcane bagasse biochar–chitosan…
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Valorization of Waste Cooking Oils into Antimicrobial Soaps with Honey, Propolis, and Essential Oils
The valorization of waste cooking oils (WCOs) provides a strategy to reduce environmental impact while converting residues from the food industry into valuable products. This study developed and characterized antimicrobial soaps from purified WCOs (sunflower, palm, and pumpkin oils) enriched with…
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Crack the Shell by Unlocking the Polyphenol Power of Hazelnut Waste with Ultrasound
Hazelnut (Corylus avellana L.) shells, typically discarded as agro-industrial by-products, represent a potentially valuable source of bioactive polyphenolic compounds with significant antioxidant properties. This study aimed to evaluate and compare the polyphenol composition and antioxidant…
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Structure-Based Screening and Molecular Dynamics of Rifampicin Analogues Targeting InhA of Mycobacterium tuberculosis
Tuberculosis (TB), caused by Mycobacterium tuberculosis (Mtb), remains a global health burden, particularly due to multidrug-resistant (MDR) and extensively drug-resistant (XDR) strains. Rifampicin, a frontline anti-TB drug that inhibits RNA polymerase, has been central to therapy, but rpoB…
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The Role of a SiC Sublayer in Modulating the Electrochemical Behavior of CoxSy/SiC Heterostructure Supercapacitor Electrodes
In this study, we investigated the electrochemical properties and performance characteristics of CoxSy and silicon–carbon-based heterostructures synthesized on nickel foam substrates for energy storage applications. Cobalt sulfide films were successfully electrodeposited on nickel foam (NF) using…
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Kinetics of Propene Oxidation to Acrolein over Bismuth Molybdates
The conversion of alkanes/alkenes into useful intermediates is highly important in the chemical industry. In this study, the physicochemical properties and catalytically active forms of bismuth molybdates (BiMo) were investigated using the selective oxidation of propene to acrolein as a model…
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Performance Evaluation of Nano Ag/Co Modified Hydroxyapatite Catalyst Synthesized via Dielectric Barrier Discharge for Highly Efficient Toluene Oxidation
In this study, a series of Ag/Co-HA catalysts were synthesized using a plasma-assisted method. Plasma is a partially ionized gas composed of electrons, ions, neutral molecules, free radicals, photons, and excited-state substances, which can serve as a highly reactive medium for catalyst…
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Catalytic Oxidation of Alkanes and Cycloalkanes: Overview
Selective functionalisation of inert C(sp3)–H bonds in alkanes and cycloalkanes remains one of the main challenges in the field of environmentally sustainable chemistry. This review provides a critical assessment of current catalytic strategies, in particular addressing the persistent problem of…
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Calculation, Measurement and Validation for Estimating the Biomass of the Biofilm on Microcarriers
Traditional carriers play a major role in wastewater treatment worldwide due to their reliability, ease of production, well-established analytical methods, and strong treatment performance. Recent studies indicate that polyvinyl-alcohol-based microcarriers may surpass conventional media, as their…
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Kinetics of Decomposition in Alkaline Media NaOH and Ca(OH)2 of Thallium Jarosite
Thallium is one of the most toxic elements on the planet, and one alternative method for its precipitation is through jarosite-type compounds. Therefore, in this work, the kinetics of thallium jarosite were evaluated in an alkaline medium (NaOH and Ca(OH)2). Experiments were conducted to assess the…
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A Preliminary Investigation into the Influence of Low-Intensity Natural Mid-Infrared and Far-Infrared/Near-Microwave Emissions on the Aroma and Flavor of a Young Dry Red Wine
Brief treatment of a bottled young dry red wine with low-intensity natural emissions in the mid-infrared and far-infrared/near-microwave regions of the electromagnetic spectrum resulted in moderate changes in the concentrations of certain odorants in the wine headspace (vapor), as shown by…
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Yttrium Sulfate Recovery Using Ethanol as Antisolvent in a Fluidized Bed Reactor
Antisolvent crystallization is a promising method for recovering rare earth elements (REEs). While it offers high theoretical yields of Y2(SO4)3·nH2O from aqueous leach solutions, the recovery is constrained by kinetic limitations. This study examined the crystallization of Y2(SO4)3·nH2O in a…
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Advanced Oxidation of PET-Derived Monomers Using Excimer Radiation and Hydrogen Peroxide: Kinetic and Operational Insights
Growing environmental concern over plastic pollution has increased the need to address the persistence of PET-derived monomers, such as bis(2-hydroxyethyl) terephthalate (BHET) and terephthalic acid (TPA). This work examines the use of excimer radiation lamps combined with hydrogen peroxide (H2O2)…
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Enhancing Operational Reliability in Industrial PTA Oxidation Reactors Using a Robust Cascade Control Scheme
Maintaining stable pressure in the oxidation–compressor section of purified terephthalic acid (PTA) plants is essential for ensuring efficient and reliable operation. Conventional single-loop proportional integral derivative (PID) controllers frequently perform inadequately because of the large…
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Intensification of Mixing Processes in Stirred Tanks Using Specific-Power-Matching Double-Stage Configurations of Radially and Axially Pumping Impellers
Mixing processes in stirred tanks are widely applied across various industries, but still offer significant potential for optimization. A promising strategy is the use of double-stage impeller setups instead of conventional single impellers. While multi-impeller configurations are common in tall…
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Pectin Films as a Base for Incorporating Spent Coffee Grounds Extracts Obtained by Microwave-Assisted Extraction
This study examines the development and characterisation of sustainable, bio-functional films based on a pectin matrix enriched with spent coffee grounds (SGs) extract. The physicochemical and mechanical properties of the resulting films were evaluated as a function of pectin, plasticiser…
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Energy Reduction in Cellulose Nanofibril Production Through Interfacial, Hydrodynamic, and Feedstock Design Strategies
Cellulose nanofibrils (CNFs) are promising renewable materials, but high fibrillation energy remains a major barrier to industrial adoption. This narrative, mechanism-focused review examines CNF production from an engineering perspective, integrating the coupled roles of feedstock structure…
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Scale Management Technologies for Production Enhancement in Oilfields: Mechanisms, Inhibitor Chemistry, Modeling, and Future Perspectives
Mineral scale deposition is one of the most persistent flow assurance challenges in the oil and gas industry, causing formation damage, reduced injectivity and productivity, equipment fouling, pipeline blockage, and substantial economic losses. The increasing application of seawater injection…
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Comparative Assessment of Sorption Capability of Natural and Fe(III)-Modified Zeolite for Cobalt(II) Removal—Sorption Performance Optimization and Mechanism Investigation
The performance of natural zeolites for the removal of divalent metal ions is strongly dependent on the nature of the target ion and the surface properties of the sorbent. Building on previous studies of natural and Fe(III)-modified zeolites, this study investigates whether Fe(III) modification can…
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Artificial Intelligence-Based Models for Wax Deposition Prediction in Oil Pipelines: Potential, Challenges, and Future Directions
Wax deposition in pipelines is a major issue in the oil and gas industry. Estimating the main characteristics of the wax deposits is crucial in mitigating their negative impact. Thus, developing predictive models plays an important role in managing wax deposition. Artificial intelligence (AI)-based…