Fractional distillation ≈ Fractional distillation
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Reactive Distillation: Stepping Up to the Next Level of Process Intensification Open
Reactive distillation (RD) is an efficient process intensification technique that integrates chemical reaction and distillation in a single apparatus. The process is also known as catalytic distillation when a solid catalyst is used. RD te…
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Solar Seawater Distillation by Flexible and Fully Passive Multistage Membrane Distillation Open
Solar-assisted distillation is considered promising to solve the freshwater supply for off-grid communities. In this work, a passive and flexible multistage membrane distillation (F-MSMD) device is devised to produce freshwater via solar d…
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Distillation Techniques in the Fruit Spirits Production Open
During the distillation of the fermented fruit mash or juice, ethanol and water are the carriers of a huge number of the other volatile aroma compounds. Unique and distinctive flavour of the final spirits depends on their quantity and qual…
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Optimization and Dynamics of Distillation Column Using Aspen Plus® Open
Ever increasing global energy demand necessitates the need to enhance energy generation and efficient utilization. As energy prices continue to rise, energy conservation is the prime concern for every industry. Distillation is probably the…
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Distillation of Pyrolytic Oil Obtained from Fast Pyrolysis of Plastic Wastes Open
Fast pyrolysis of plastic wastes, at temperatures from 500-800°C, gives as a main product, a dark brown liquid (a mixture of gasoline, diesel and heavy oils). Fractional distillation is commonly used to separate petroleum oils. However, in…
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Biodiesel production in a reactive distillation column catalyzed by heterogeneous potassium catalyst Open
Biodiesel is a bio-based fuel synthesized from a renewable feedstocks, such as vegetable oils or animal fats. Conventionally, it is made through transesterificating oils where the process involves catalyst and alcohol to be reacted in batc…
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Fractionating of Lemongrass (Cymbopogon citratus) Essential Oil by Vacuum Fractional Distillation Open
Lemongrass essential oil has many compounds appropriate for application in foods, cosmetics, and pharmaceutical products. Of these, citral is a high-value compound of interest to industry. This work aims to evaluate the use of vacuum fract…
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Production of Fuel-Like Fractions by Fractional Distillation of Bio-Oil from Açaí (Euterpe oleracea Mart.) Seeds Pyrolysis Open
This work investigates the effect of production scales (laboratory, bench, and pilot) by pyrolysis of Açaí (Euterpe oleracea Mart.) seeds at 450 °C and 1.0 atmosphere, on the yields of reaction products and acid value of bio-oils. The expe…
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Pressure swing distillation of azeotropic mixture – A simulation study Open
The aim of this work is to simulate a pressure-swing distillation column for the separation and purification of ethanol from the ethanol–water binary system. The choice for this system is due to the importance of the ethanol–water separati…
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Fractionation of Java Citronella Oil and Citronellal Purification by Batch Vacuum Fractional Distillation Open
The aim of this work was to assess the performance of a vacuum fractionating column for the fractionation of Java Citronella Oil (Cymbopogon winterianus) and citronellal purification during batch mode operation at vacuum -76 cmHg and reflu…
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Cryogenic distillation facility for isotopic purification of protium and deuterium Open
Isotopic purification of the protium and deuterium is an important requirement of many physics experiments. A cryogenic facility for high-efficiency separation of hydrogen isotopes with a cryogenic distillation column as the main element i…
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Design and Control Applied to an Extractive Distillation Column with Salt for the Production of Bioethanol Open
Extractive distillation with salts, unlike other dehydration technologies, is better due to the null toxicity that exists in the distillate, since salt cannot be evaporated. With this distillation technology, it is possible to obtain a hig…
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Control Structures Evaluation for a Salt Extractive Distillation Pilot Plant: Application to Bio-Ethanol Dehydration Open
This paper addresses the challenge of evaluating control structures for a salt extractive distillation column producing absolute ethanol for use as biofuel. A sensitivity analysis aided with designing a pseudo-binary distillation pilot pla…
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Fractional Distillation of Bio-Oil Produced by Pyrolysis of Açaí (Euterpe oleracea) Seeds Open
In this work, the seeds of açaí (Euterpe oleracea, Mart), a rich lignin-cellulose residue, has been submitted to pyrolysis to produce a bio-oil-like fossil fuels. The pyrolysis carried out in a reactor of 143 L, 450°C, and 1.0 atm. The mor…
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From graphical to model‐based distillation column design: A McCabe‐Thiele‐inspired mathematical programming approach Open
We propose a mixed‐integer nonlinear programming (MINLP) model for simple and complex distillation column design and optimization. The model is based upon the concepts and equations underpinning the McCabe‐Thiele method. Generalizing this …
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The Design and Optimization of Extractive Distillation for Separating the Acetone/<i>n</i>-Heptane Binary Azeotrope Mixture Open
Acetone and n-heptane are common solvents in the pharmaceutical industry and they have been found in wastewater. Under atmospheric conditions, the mixture of these compounds creates a minimum-boiling azeotrope. The extractive distillation …
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FRACTIONATION PROCESS OF ESSENTIAL OILS BY BATCH DISTILLATION Open
The greatest obstacle in simulating processes involving essential oils is the small number of thermo-physical properties and experimental data available in the literature. In this work, thermodynamic models are investigated in order to pre…
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Innovation in a Continuous System of Distillation by Steam to Obtain Essential Oil from Persian Lime Juice (Citrus latifolia Tanaka) Open
The citrus industry is one of the most important economic areas within the global agricultural sector. Persian lime is commonly used to produce lime juice and essential oil, which are usually obtained by batch distillation. The aim of this…
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Profiling study of the major and minor components of lime oil (Citrus hystrix DC.) in the fractional distillation process Open
The highest level of β-citronellal was 84.86% (fraction-7), L-linalool 20.13% (fraction-5), sabinen 19.83% (fraction-1), and the component level of 4-terpeneol, β-citronellol and sitronelyl acetate respectively 7.16%; 12.27%; 5.22% (fracti…
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Fractional Distillation & Characterization of Tire Derived Pyrolysis Oil Open
Energyis extracted recently from the waste products. Environmental pollution is beingminimized along with the addition of considerable amount of energy beside theconventional sources. The energy extracted from the waste leads a hope ofalte…
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Identification of diluent degradation products in radiolyzed PUREX solvent Open
Diluent degradation products in gamma radiolyzed Plutonium URanium Extraction (PUREX) solvent were characterized, under the conditions similar to those prevailing in the hot cell for reprocessing. Alkali wash of the degraded solvent follow…
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Process Simulation of the Separation of Aqueous Acetonitrile Solution by Pressure Swing Distillation Open
The separation of aqueous acetonitrile solution by pressure swing distillation (PSD) was simulated and optimized through Aspen Plus software. The distillation sequence of the low pressure column (LPC) and high pressure column (HPC) was det…
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ENERGY AND EXERGETIC EVALUATION OF THE MULTICOMPONENT SEPARATION OF PETROCHEMICAL NAPHTHA IN FALLING FILM DISTILLATION COLUMNS Open
Multicomponent separation of synthetic petrochemical naphtha (hexane, cyclohexane, toluene and xylene) was carried out in a falling film distillation sequence with heat supply using a vapor chamber (thermosyphon). Tests were carried out by…
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Catalytic Reactive Distillation for the Esterification Process: Experimental and Simulation Open
In the present study, methyl acetate has been synthesized using esterification of acetic acid with methanol in a continuous packed bed catalytic reactive distillation col- umn in the presence of novel Indion 180 ion exchange resin solid ca…
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Bioethanol separation by a new pass-through distillation process Open
Distillation is the most used separation technology at industrial-scale, but using distillation in bio-based processes (e.g. fermentation processes to produce bioethanol) is quite challenging when mild temperatures are needed to keep the m…
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Which separation scenarios are advantageous for membranes or distillations? Open
We systematically analyze power requirements of membrane and distillation processes for binary mixtures where the desired product component is more permeable and also more volatile. We first derive a shortcut method to compare the efficien…
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Separation of D-Limonene and Other Oxygenated Compounds from Orange Essential Oil by Molecular Distillation and Fractional Distillation with a Wiped Film Evaporator Open
Orange essential oil (OEO) is mainly composed of D-Limonene and other oxygenated compounds that contribute to the orange flavor and aroma. However, D-Limonene is unstable in the presence of heat, light, and water, affecting the quality of …
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Conceptual design of a distillation process for the separation of styrene monomer from polystyrene pyrolysis oil: experiment and simulation Open
Funding Information: Roshi Dahal acknowledges the financial support of Fortum and Neste Foundation for post-graduate studies. Business Finland is acknowledged for the funding of MoPo Multitechnological recycling of polystyrene 1545/31/2020…
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Simulation of the Condensation and Fractionation Unit in Waste Plastics Pyrolysis Plant Open
The condensation and fractionation unit design affects the quantity and quality of the liquid products derived from the waste plastics pyrolysis. The oil products, if meet the standards requirements, can be used as an alternative fuel. Thr…
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Pilot‐scale experimental studies on ethanol purification by cyclic stripping Open
Cyclic distillation is a proven process intensification method for enhanced separation of various mixtures. It uses an alternative operating mode based on separate phase movement which leads to important practical advantages (vs convention…