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85 articles for “phase separation”
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A Comprehensive Review on the Miniaturized Analytical Techniques for Sustainable Pharmaceutical Testing
Abstract: Miniaturized analytical techniques are revolutionizing pharmaceutical testing by offering sustainable and efficient alternatives to traditional methods. These techniques are designed to reduce sample and reagent consumption, minimize waste generation, and accelerate analysis, aligning perfectly with the principles of green analytical chemistry. This comprehensive review aims to thoroughly explore the landscape of miniaturized analytical techniques, specifically highlighting their profound impact on fostering sustainable practices within the pharmaceutical sector. The review systematically …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 17, Issue 1, 2026 · pp. 18–39 Read article
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MODELING AND SIMULATION OF ESTERIFICATION PROCESS IN REACTIVE DISTILLATION COLUMN USING ASPEN PLUS
Abstract: Abstract: Reactive distillation is a process that combined a chemical reaction and physical separation in a single unit operation. A results is carrying out simulation by using Aspen plus, it is shown in reactive distillation column. In this case, reaction takes place in liquid phase. While solving this type of problem, we have to use thermodynamics property. The boiling point of water is low and iso-amyl acetate having high boiling …
Published in Emerging Trends in Chemical Engineering · Vol. 5, Issue 1, 2018 · pp. 5–9 Read article
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Preliminary design assessment of heavy water purification columns through shortcut calculations including hydraulic and mass transfer characteristics
Abstract: Heavy water having deuterium content of 99.9% and more is used as the moderator and the coolant in pressurized heavy water nuclear reactors (PHWRs). This purity is maintained by vacuum distillation in packed columns. This work analyses the effect of packing type on preliminary column design based on certain user-defined specifications, with a focus on mass transfer and hydraulic characteristics of the column. Geometrical characteristics of commercial metallic packing materials …
Published in Journal of Water Pollution & Purification Research · Vol. 5, Issue 3, 2018 · pp. 20–29 Read article
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Studies on Waste Water Treatment in Three Phase Semifluidized Bed Bioreactors: Computer Aided Analysis and Software Development
Abstract: Design and performance analysis of three phase semifluidized biofilm reactors for aerobic treatment of industrial effluents have been attempted. Bioconversion processes that follow Monod-type kinetics and those following Haldane-Andrews kinetics (involving substrate inhibition to microbial growth) have been considered as typical cases. The bioreactor has been modelled mathematically by solving performance equations separately for the packed section and for the fluidized section, considering dispersed flow in both of these sections, …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 7, Issue 1, 2016 · pp. 1–21 Read article
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Development and Validation of RP-HPLC Method for Determination of Thermal Degradation Impurity in Macrolide Immunosuppressant Substance and Drug Product
Abstract: The present study describes a simple and stability-indicating reverse phase high-performance liquid chromatography (RP-HPLC) method for the quantification of the thermal degradation impurities of Tacrolimus (FK506) namely Ally ester rearrangement impurity (Impurity R) in Tacrolimus capsules and drug substances. Successful separation of impurity R from Tacrolimus, its other related substances and its tautomers were achieved on a Zorbax XDB C8 (150×4.6 mm, 5 μm) and detector of UV at 210 …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 3, Issue 1, 2016 · pp. 14–19 Read article
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Development and Validation of RP-HPLC Method for Estimation Ertugliflozin in Its Bulk and Tablet Dosage Form
Abstract: Background: This study developed and validated a new, sensitive, appropriate, clear, accurate, and robust reversed-phase high-performance liquid chromatography (RP-HPLC) method for determining safinamide in bulk medication and tablet formulations. An HPLC procedure using a UV detector and the Openlab EZchrome workstation programme was used to separate the samples, as well as a Kromasil C18 (250 mm × 4.6 mm i.d.) 5 μm. At a flow rate of 1.0 mL/min, methanol …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 9, Issue 1, 2022 · pp. 8–20 Read article
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A Study of Flyback Microinverter Topologies for Photovoltaic Applications
Abstract: AbstractThe microinverter system plays an imperative role in photovoltaic applications. Nowadays a central inverter system is substituted by a microinverter. The flyback inverter has the following advantages such as transformer separation, high voltage step-up ratio, low volume, high reliability, and provides high efficiency and relatively simple control. This paper proposes a collation of different flyback inverter topologies operating under various control schemes. A single phase current source inverter with hybrid …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 2, 2018 · pp. 1–10 Read article
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A New Separation Technique for Method, Development and Validation of Aclidinium Bromide and Formoterol Fumarate in Its Pure and Pharmaceutical Dosage Form by Using Rp-HPLC
Abstract: A new simple, precise, selective and accurate, a new method of development and validation using Rp-HPLC for the estimation of Aclidinium bromide and Formoterol Fumarate in its pure and pharmaceutical dosage form. Chromatogram was run through DIKMA Spursil, C18 segment (4.6×150 mm, 5µ0). Mobile phases contain 0.1% OPA: Acetonitrile (30:70) with the use of the 0.1% OPA buffer, stream rate of 1 ml/min and measured in 280 nm. The run …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 15, Issue 3, 2024 · pp. 18–36 Read article
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Advances in Membrane Technology: A Comprehensive Review of Materials, Processes, and Applications
Abstract: Membrane technology has become a critical platform for sustainable separation processes across water treatment, energy generation, chemical processing, and healthcare. Over recent decades, advances in materials, fabrication methods, and process design have dramatically expanded the performance, efficiency, and applications of membrane-based systems. Polymeric membranes dominate the industry due to cost-effectiveness and scalability, while ceramic, metallic, and composite membranes offer enhanced thermal and chemical resistance for specialized environments. Nanostructured and bio-inspired …
Published in International Journal of Membranes · Vol. 2, Issue 2, 2025 · pp. 1–6 Read article
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Method Development and Validation by HPLC: A Brief Review
Abstract: High-performance liquid chromatography (HPLC) is a significant analytical technique, usually used for the determination and separation of pharmaceutical and biological samples. This is most adaptable, safe, reliable, and fast chromatographical method for quality control of drug samples. The objective behind the present study was to focus on different features of HPLC, such as principle, types, instrumentation, HPLC method development and validation along its application.
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 12, Issue 1, 2025 · pp. 27–39 Read article
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Digital Communication Receiver CMOS Chip Design
Abstract: RF receivers are such electronic devices that discrete radio signals from one another and transform specific signals into respective audio, video, or data formats. It uses an antenna to receive transmitted radio signals and a tuner to separate a specific signal from all of the other signals that the antenna receives. Detectors or demodulators at that moment extract information that was programmed formerly to transmission. There are numerous customs to …
Published in Recent Trends in Electronics Communication Systems · Vol. 1, Issue 3, 2014 · pp. 16–21 Read article
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Review on Chemical Separation of Crude Oil and Analysis of Its Components
Abstract: Crude oil is chemically composed of a complex mixture of hydrocarbons of different gaseous, liquid and solid states, the total of which may reach more than 17,000 organic compounds. At standard conditions of pressure and temperature the light hydrocarbons with carbon numbers 1 to 4 (methane, ethane, propane, butane) are present in gaseous form; Whereas pentane and the heavier hydrocarbons are found in liquid form, and in the heavy fractions …
Published in Journal of Petroleum Engineering & Technology · Vol. 11, Issue 2, 2021 · pp. 35–49 Read article
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Sodium Benzoate and Urea as Promoters in Sillimanite Flotation
Abstract: Sillimanite is an alumino-silicate mineral with the chemical formula Al2SiO5. Sillimanite in general is concentrated by gravity separation methods followed by froth flotation. Hydrophobicity is induced to sillimanite surface by adsorbing surfactant (oleic acid/oleate) molecules selectively and the mineral is collected into froth as concentrate. Other reagents used are; sodium silicate to depress garnet and silica and sodium hydroxide to adjust the pulp pH. In the present study, hydrotropes (sodium …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 7, Issue 3, 2016 · pp. 1–7 Read article
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Design and Analysis Versatile Thrust Vectoring Characteristics of A Military Turbojet Engine
Abstract: This paper under the title of “Versatile thrust vectoring characteristics of a military turbojet engine" deals with the latest developments that exist and those which are proposed to be established in the field of VTOL (Vertical Take-Off and Landing) aeronautical engineering. The biggest problem that exists today in that field is that no aircraft can have both Vertical takeoff and Supersonic cruise on a same design. To overcome this, a …
Published in Journal of Aerospace Engineering & Technology · Vol. 5, Issue 1, 2015 · pp. 37–46 Read article
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Single Phase Transformerless Grid Tied PV Application Along with Battery Energy Management System
Abstract: A spectacular increment of interest in photovoltaic (PV) energy systems.There has been significant drop in the cost of PV modules somewhat recently, thus the lessening of assembling expenses of PV inverters turns into a commitment. PV inverters that utilize a detachment transformer, are cumbersome and difficult to introduce. While by connecting with a high recurrence transformer almost a DC-DC converter can contract the size of the inverter, it diminishes the …
Published in Recent Trends in Electronics Communication Systems · Vol. 8, Issue 1, 2021 · pp. 30–24 Read article
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The Control by the Behavior of Gas Bubble, Fastened to the Solid Surface, Using Nonpolar Reagent and Blowing Agent Actions under Changing of the Acceleration of Gravity
Abstract: The study of separation or retention of a gas bubble, fastened to solid surface in the liquid with varying acceleration of gravity currently is relevant in connection with the solution of the problem of degassing fuel in an airplane during overloads. Solving of the problem comes to investigation of the possibility of control by the behavior of the gas bubble, fastened to the solid surface using nonpolar reagent and blowing …
Published in Journal of Aerospace Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 40–51 Read article
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Ag₂S–Ag Nanocomposites: A Bottom-Up Approach to Enhance Thermoelectric Power Factor at Near Room Temperature
Abstract: The intrinsic ductility, low toxicity, and naturally occurring abundance of silver sulphide (Ag₂S) have made it a potential thermoelectric material in recent years. However, high electrical resistance severely limits its practical application. Here, we present a thorough analysis of how metallic Ag nanoinclusions affect the structural, electrical, and thermoelectric characteristics of Ag₂S nanocomposites made using a simple bottom-up polyol approach. (Ag₂S)₁₋ₓAgₓ nanocomposites with an Ag content ranging from 0 to …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 4, Issue 1, 2026 · pp. 40–55 Read article
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Morinda citrifolia Leaf Induced Leukemia Cells Apoptosis and Produced Synergistic Effects with Zerumbone
Abstract: Leukemia is the most common cancer among children and the 7th most common cancer worldwide. The vegetable Morinda citrifolia leaves was investigated and compared with Zerumbone (a known anti-leukemia compound) separately and in combination, for their apoptotic effects on murine myelomonocytic leukaemia cell line (WEHI-3B). Zerumbone, a sesquiterpene from Zingiber zerumbet was anti-cancer via suppressing free radical generation, inflammation, cancer cell proliferation, metastasis, anti-apoptosis, NF-κβ, Iκβα kinase activation and invasion. …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 6, Issue 3, 2016 · pp. 24–32 Read article
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Application and Limitation of Metal Thermochemical Processing
Abstract: The technically intriguing and monetarily feasible technique for enhancing the surface layer of materials is surface engineering. The aim is to establish a vast scope of useable attributes that are separate from the core substrate, together with physical, chemical, electrical, electronic, magnetic, or mechanical, even though the material surface monitors the operational life throughout many implementations. The thermochemical intervention, a type of surface engineering, uses heat diffusion to incorporate non-metal …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 9, Issue 3, 2022 · pp. 25–29 Read article
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Facile Synthesis and Characterization of ZIF-8 Nanocrystals
Abstract: Zeolitic imidazolate frameworks (ZIFs) are important subclass of porous metal-organic frameworks (MOFs). The ZIFs structure has zeolitic framework topologies wherein all tetrahedral atoms are transition metal ions and are bridged by imidazolate (IM) units. Zeolitic imidazolate framework-8 (ZIF-8) is a prototypical member of ZIF family, constituted from zinc metal ions and 2-methylimidazole as bridging linkers. ZIF-8 nanocrystals have gained significant research interest in recent past due to its applications in …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 16, Issue 1, 2014 Read article