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South African Journal of Chemical Engineering
Scopus
ISSN 1026-9185 · Elsevier · 878 artikel di indeks
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Artikel Jurnal
Fabrication and characterization of biocomposites from acetylated and bleached Agave atroverance L. fibers by grafting of styrene to enhance their thermomechanical, physicochemical, and morphological properties: A new approach
Modification of natural fiber is very crucial to reduce their hydrophilic nature, in addition to enhancing their overall thermomechanical, physicochemical, and morphological properties. Thus, the modified natural fibers could be beneficially used to fabricate a new class of multifunctional…
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Artikel Jurnal
Sustainable corrosion inhibition of A36 steel in 1 M HCl using a citrus peel–surfactant bio-hybrid: Linking green chemistry with industrial-grade thermal performance
In response to the growing demand for environmentally sustainable corrosion mitigation strategies in acidic industrial environments, a novel bio-hybrid corrosion inhibitor (CI30@CSE) is proposed, in which lauryl betaine (LB) in a commercial CI30 formulation is replaced by Citrus sinensis peel…
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Artikel Jurnal
Manipulating calcination temperature on crystal structure and optical properties tuning of CuO nanostructures
The research investigated the influence of calcination temperature on the properties of CuO nanostructures synthesized through a chemical precipitation method. Calcination at different temperatures (200, 400, and 600°C) significantly affected the crystal structure, morphology, and optical…
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Artikel Jurnal
UV light-driven photocatalytic degradation of methylene blue with β-Ga2O3 nanoparticles conjugated to nanocellulose extracted from a biowaste fibre
β-Ga2O3 NPs were synthesised hydrothermally and annealed at 1000 °C. Citrate-capped nanocellulose fibres (CNCFs) were extracted from Azanza Garckeana fibres through sequential hydrolysis in 4.1 % citric acid, which had been diluted from a lemon concentrate (pH < 1.5) and 2 % NaOH. The best…
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Artikel Jurnal
Heat transfer enhancement in fractional Brinkman nanofluids: Effects of thermal and nanoparticle geometry
This communication aims to develop a fractional mathematical model for flow of generalized Brinkman fluid with utilization of nanoparticles over vertically heated plate. A suspension of titanium oxide (TiO2) and molybdenum disulfide (MoS2) with water (H2O) base fluid is considered to evaluates the…
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Artikel Jurnal
Assessment of microplastics in water and sediment from Megech river, major tributary to Lake Tana
Ethiopia is the second largest importer of raw plastic materials in Central and Eastern Africa with fastest-growing plastic industry in the continent. Plastic pollution is a serious problem in the country and the government has started an awareness campaign for its reduction. This work is an…
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Artikel Jurnal
Development and analysis of PVC glass slides for urine microstructure studies
The long-term maintenance of urine precipitation microstructures stays a main restriction in medical laboratory education and routine urinalysis, as traditional glass sides typically permit sample stability for only 1–3 h. In this work, a novel polyvinyl chloride (PVC)-coated glass slide system was…
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Artikel Jurnal
Regression analysis of corrosion inhibition of 42CrMo4 steel: a case study of acidified large Maradol leaf extract, kinetic, thermodynamics, adsorptions, and process parameter optimization
In the oil and gas sector, corrosion results in catastrophic failures, leaks, and equipment degradation that cause enormous financial losses (billions of dollars every year), serious safety risks (fires, explosions, exposure to poisonous H2S), and significant environmental pollution (infection of…
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Artikel Jurnal
Predictive ANN analysis of hydrothermal and entropy behavior of corrugated heat exchanger featuring tetra-hybrid nanofluid
Compact energy systems need working fluids with exceptional heat transfer (HT) properties for effective thermal management. Though their behavior in complex microchannels is little studied, tetra-hybrid nanofluids of four nanoparticles show great potential. This research employs numerical analysis…
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Artikel Jurnal
Spherical and rod-shaped nanocellulose from filter paper waste: A comparative study of acid hydrolysis
Filter paper waste represents a significant yet underutilized feedstock for producing nanocellulose, a high-value nanomaterial essential for bioplastics and nanocomposites due to its biodegradability and mechanical strength. Valorizing this laboratory byproduct supports circular economy principles…
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Artikel Jurnal
Development of MnO2/γ-Al2O3 catalysts for catalytic ozonation of phenolic wastewater
Phenolic compounds in industrial wastewater pose significant environmental and health risks due to their toxicity and persistence. This study develops MnO₂/γ-Al₂O₃ catalysts for catalytic ozonation and examines how HNO₃ surface modification and calcination temperature influence γ-Al₂O₃ properties…
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Artikel Jurnal
Polynomial regression analysis on electromagnetohydrodynamic hybrid nanofluid flow over a rotating disk: Applications in next-generation thermal systems
Thermal systems need effective cooling and heating processes, therefore thermal transfer innovation is critical in modern times, playing an important role in the manufacturing, aerospace, and electronic equipment sectors, in addition to automobiles and other modes of transportation. This study…
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Artikel Jurnal
Enhancing cooling tower efficiency using ammonium persulfate (APS) as a thermal performance additive
This study examines the influence of Ammonium Persulfate (APS) solutions at varying concentrations (0.1, 0.5, 1, and 2 mol/L) on the thermal performance of counterflow cooling towers. It focuses on their effects on outlet water temperature, air heat gain, humidity variation along the tower height…
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Artikel Jurnal
Process design for the continuous production of α- and γ-mangostin from mangosteen pericarp with integrated solvent recovery
Mangosteen pericarp, a major agricultural by-product, is a rich source of xanthones, including α- and γ-mangostin, which possess significant anticancer and anti-inflammatory properties. This study details the continuous production process for these bioactive compounds, focusing on material and…
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Artikel Jurnal
Experimental validation and multi-criteria decision optimization of parameters in gas hydrate-based desalination
Gas hydrate-based desalination (GHBD) is a promising technology for sustainable water treatment, yet its practical implementation is often hindered by the slow kinetics and complexity of optimizing multiple process parameters. This study develops a robust decision-making framework using…
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Artikel Jurnal
Process design and performance analysis of a narrow-tubes circulating fluidized bed with a double-heat exchanger riser
Operating at high temperatures, highly exothermic catalytic reactors require high transfer rates and safer operating conditions to achieve high performance. Fixed beds, moving bed contractors, normal and even usual design assembly of circulating beds, cannot provide large areas suitable for…
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Artikel Jurnal
Experimental study on the effects of Maz Nitro additive on engine performance and emissions
This study presents a comprehensive experimental investigation into the effects of Maz-Nitro additives (Maz 100 for gasoline and Maz 200 for diesel) on engine performance, fuel consumption, emissions, and material compatibility under both laboratory and road test conditions in Viet Nam. The…
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Artikel Jurnal
Sustainable synthesis of Ag and Cu nanoparticles using Quercus infectoria gall extract: A morphological perspective
This research employed Quercus infectoria gall (QIG) extract as a reducing agent to produce metal nanoparticles (MNPs: Ag and Cu) and unveiled the reaction composition - MNPs morphology relationship. MNPs were synthesized by varying the volume ratio of metal ion solutions to QIG extract (1:1, 2:1…
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Artikel Jurnal
Unraveling the molecular recognition mechanism of voriconazole and functional monomers in molecularly imprinted polymer design
Molecularly imprinted polymers (MIP) offer highly selective recognition toward target analytes, yet their performance critically depends on the strength and nature of template–monomer interactions in the pre-polymerization stage. This study aims to develop a novel, integrative host-guest…
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Artikel Jurnal
Modification starch of breadfruit (Artocarpus altilis) through esterification reaction with fatty acid as pesticides in controlled-release formulation
Technological advancements, particularly in agriculture, have now entered the stage of smart agrarian practices. One of the latest innovations in this practice is controlled-release pesticides. The use of hydrophobic materials can reduce the release rate of pesticides, which has long been an…