Relevant bibliographies by topics / Distillation apparatus – Control

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Conference papers

Academic literature on the topic 'Distillation apparatus – Control'

Author: Grafiati
Published: 4 June 2021
Last updated: 5 February 2022

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Journal articles on the topic "Distillation apparatus – Control"

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Jin, Ri Jun, Chao Qun Chu, Xiao Ping Wang, Dong Hao Li, and Xiang Fan Piao. "Research on Multifunctional Gas Chromatography Sample Pretreatment Apparatus." Applied Mechanics and Materials 347-350 (August 2013): 3440–45. http://dx.doi.org/10.4028/www.scientific.net/amm.347-350.3440.

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Multifunctional gas chromatography sample pretreatment apparatus (hereinafter referred to as pretreatment apparatus), which is developed on the basis of gas purge micro-syringe extraction (GP-MSE) technique, is a gas chromatography (GC) sample pretreatment apparatus that integrates extraction, purification, concentration and predissociation. The quantitative and qualitative analysis results analyzed by GC-MS for volatile oil that extracted from the plant samples by steam distillation method and pretreatment apparatus, show that the volatile components extracted by the apparatus outnumber the ones extracted by steam distillation method clearly, and the content of major constituents extracted by the apparatus is higher. The apparatus have advantages of low consumption of agentia, short extraction time, high enrichment efficiency, simple structure, convenience in usage and low operating costs. The apparatus can be widely used in the areas of medicine, agriculture, food, quality control to the sample pretreatment of solid or liquid sample.
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Soceanu, Alina, Simona Dobrinas, Viorica Popescu, and Florian Moise. "Quality control of distilled beverages." Analele Universitatii "Ovidius" Constanta - Seria Chimie 23, no. 2 (2012): 163–66. http://dx.doi.org/10.2478/v10310-012-0027-0.

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Abstract The aim of this research is to characterize some distilled drinks commercially available on the market (brandy, gin, vodka, whiskey) and some distilled beverages provided by private manufacturers (palinca made in copper, aluminum and stainless steel distillation apparatus). For this purpose the alcoholic concentration, the dry extract, the total acidity, the ash content and copper level were determined. The alcoholic concentration was measured using the picnometer method and the copper content was determined by UV-VIS molecular absorption spectrometric method. This study shows that the distilled beverages commercially available on the market can be discriminated from palinca, a homemade brandy using the differences between the obtained results.
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Nellessen, Cornelius, Thomas Klein, Hans-Jürgen Rapp, and Frank Rögener. "Membrane Distillation for the Production of Pharmaceutical-Grade Water—Investigation into the Application of AGMD and VMD." International Journal of Environmental Research and Public Health 18, no. 11 (2021): 6058. http://dx.doi.org/10.3390/ijerph18116058.

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The production of pharmaceutical ingredients, intermediates and final products strongly depends on the utilization of water. Water is also required for the purification and preparation of reagents. Each specific application determines the respective water quality. In the European Union, the European Pharmacopeia (Ph. Eur.) contains the official standards that assure quality control of pharmaceutical products during their life cycle. According to this, the production of water for pharmaceutical use is mainly based on multi-stage distillation and membrane processes, especially, reverse osmosis. Membrane distillation (MD) could be an alternative process to these classical methods. It offers advantages in terms of energy demand and a compact apparatus design. In the following study, the preparation of pharmaceutical-grade water from tap water in a one-step process using MD is presented. Special emphasis is placed on the performance of two different module designs and on the selection of optimum process parameters.
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Keil, Frerich J. "Process intensification." Reviews in Chemical Engineering 34, no. 2 (2018): 135–200. http://dx.doi.org/10.1515/revce-2017-0085.

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Abstract Process intensification (PI) is a rapidly growing field of research and industrial development that has already created many innovations in chemical process industry. PI is directed toward substantially smaller, cleaner, more energy-efficient technology. Furthermore, PI aims at safer and sustainable technological developments. Its tools are reduction of the number of devices (integration of several functionalities in one apparatus), improving heat and mass transfer by advanced mixing technologies and shorter diffusion pathways, miniaturization, novel energy techniques, new separation approaches, integrated optimization and control strategies. This review discusses many of the recent developments in PI. Starting from fundamental definitions, microfluidic technology, mixing, modern distillation techniques, membrane separation, continuous chromatography, and application of gravitational, electric, and magnetic fields will be described.
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Maslennikov, Aleksandr, Ilya Zubkov, and Nikolai Peskov. "Technological concentration sensor for ethanolamines based on an optical sensor." MATEC Web of Conferences 212 (2018): 01028. http://dx.doi.org/10.1051/matecconf/201821201028.

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The most important parameters necessary for the precise control of the separation of monoethanolamine, diethanolamine, and triethanolamine on column distillation apparatus are their initial concentrations in the mixtures fed to the columns. Currently, the use of a solid-state optical sensor, which makes it possible to determine the desired ratio in a mode close to the real-time regime. The technical parameters for the sensitivity and speed achieved by the sensor are determined in the determination of monoethanolamine, diethanolamine, and triethanolamine, as well as the sensor parameters and conditions of use, which enable the sensor to effectively solve the tasks. In particular, the concentration of the mixture of analytes in the sensor chamber is 500 mg / m3, the thickness of the sensitive coating is about 0.5 μm, the operating temperature is 45÷50 ° C, the time for one cycle of measuring the diethanolamine/triethanolamine ratio is 150 ÷ 180 seconds.
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Oli, Nirjan, Uday Kumar Singh, and Sanjay Kumar Jha. "Antifungal Activity of Plant's Essential Oils against Post Harvest Fungal Disease of Apple Fruit." Forestry: Journal of Institute of Forestry, Nepal 16 (November 30, 2019): 86–100. http://dx.doi.org/10.3126/forestry.v16i0.28361.

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Bioactive natural compounds are developed as alternatives to synthetic fungicides for the control of rot diseases of apple fruit. The antifungal activity of essential oils exudes from five plants, namely, Cinnamomum tamala, Lantana camara, Ageratina adenophora, Citrus limetta and Eucalyptus citriodora were evaluated in vitro against Colletotrichum gloeosporioides, Fusarium oxysporum and Alternaria alternata causing postharvest rot disease in apple fruits. The pathogens were isolated from infected apple fruits collected from local markets of Kathamandu, Nepal. The essential oils were extracted through hydro-distillation process using Clevenger apparatus. The pathogenicity test was confirmed by inoculating pathogen into healthy apple fruit. The assessment of fungi toxicity was carried out by poison food technique using five different concentrations: 2.5μl/ml, 5μl/ml, 10μl/ml, 20μl/ml and 40μl/ml and controls were set to determine percentage inhibition of mycelial growth to test fungi. Among tested five essential oils, Cinnamomum tamala showed most effective antifungal activity against all three pathogens, which inhibited mycelium growth by 100% at 40 μl/ml concentrations. However, Eucalyptus citriodora showed all three pathogens inhibited mycelium growth by 65.87%, 73.17% and 86.91%, respectively at 40 μl/ml concentration.
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7

Salamon, I., M. V. Kryvtsova, K. I. Trush, A. I. Fandalyuk, and M. J. Spivak. "Agro-ecological cultivation, secondary metabolite characteristics and microbiological tests of lemon balm (Melissa officinalis) – the variety Citronella." Regulatory Mechanisms in Biosystems 10, no. 2 (2019): 264–68. http://dx.doi.org/10.15421/021940.

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Lemon balm (Melissa officinalis L.) is a native of the eastern Mediterranean region southward to Israel and Syria and eastward through the Crimea, the Caucasus, and Northern Iran to the Tien Shan and the Pamirs. It appears to have been naturalized in the Central Europe including the Carpathian Ukraine and Eastern Slovakia. The objective of this study was characterization of the chemical composition and antimicrobial activity of essential oils from Melissa officinalis L. variety Citronella in the conditions of cultivation in a lowland region of the Ukrainian Carpathians. Plant material, balm dry leaves and leafy tops of the shoots, were grown in a small-scale cultivation ground at the Zakarpatian Institute of Agroindustrial Production in Velikaja Bakta, Carpathian-Ukraine. The Citronella variety is used for herb production. Essential oil from balm parts (herb and leaves) was isolated by distillation with boiled water. Hydro-distillation lasted for 4 hours, sample weights were 10 g of dry drug matter. A modified Coocking & Middleton distillation apparatus was used. Identification and evaluation of balm essential oil were carried out using the selected analytical method of HPLC-DAD analysis. The final balm extract was analyzed directly on a Dionex UltiMate 3000 system. The analysis of balm essential oil was carried out using a gas chromatograph Varian 3090, connected to a MS Saturn 2100T integrator. The sensitivity of microorganisms to plant extracts was determined by the disk diffusion test (with disk diameter of 6 mm). The quantitative and qualitative characteristics of balm essential oil (0.05–0.12% v/w) and its composition show very high content of α-citrale (geranial) (44%), β-citrale (neral) (29%) and citronellal (9%). Rosmarinic acid can be extracted from leaves and its content equals up to 1.7 ± 0.1%. Composition of the natural substances depends on the balm taxon, origin, soil and climatic growing conditions, and methods of harvest and isolation and effective weed control which are used. Antibacterial effect of the oil showed low activity against all bacterial strains. Our results confirmed higher activity of EOs against Gram-positive bacteria than Gram-negative. The balm essential oil displayed antimitotic effect especially towards Candida glabrata clinical strain. Thus, studies have shown that Melissa officinalis variety of Citronella in the conditions of cultivation in the lowland region of Carpathian-Ukraine according to biochemical characteristics and microbiological properties corresponds to world analogues.
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Abdullah, Selma M. O., Amani M. K. Abbas, Hind A. Ali, Faiza M. Abdelmagid, and Abubaker H. M. Adam. "Assessment of Ocimum Basilicum as Potentially Fruit Flies Attractant." Journal of Agronomy Research 2, no. 4 (2020): 34–42. http://dx.doi.org/10.14302/issn.2639-3166.jar-20-3250.

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The Basil plant (Ocimumbasilicum L) is an annual herb; belongs to family Lamiaceae. It is found to be an important source for Methyl Eugenol (ME), the fruit flies attractant. This study was carried out at Shendi area with main objective to assess the amount of ME extracted from Ocimumbasilicumplant to evaluate its potentiality as fruit fly attractant. Plants of basil were grown till to maturity, then the differential harvest of leaves, flower and seeds were chemically investigated for volatilome. Five basil formulations (paste and powder of leaves, paste and powder of flowers, isolated ME from basil oil) were used for trapping potential of Bactrocera spp in mango orchards, as compared to the synthetic ME. The oil was extracted using Soxhlet apparatus, steam and water distillation, and analyzed using GCMS. The results revealed that highest extracted oil percentages was obtained from flowers, leaves, seed and stem were 5.75%, 3.03%, 0.02% and 0.21% respectively. Moreover, the basil traps catch was found to be lower compared with that of the control traps. Furthermore, when extracted ME from basil plant was compared with the standard synthetic, it gave lower catch fruit flies numbers, but the difference was not significant (>0.05). In conclusion, the basil raw derivates are confirmed not to be attractive for flies but the oil distillable from the leaves could be in force of its attractant ME contents and insecticide potency.
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Jakowienko, Paulina, Barbara Wójcik-Stopczyńska, and Dorota Jadczak. "Antifungal Activity of Essential Oils from Two Varieties of Sweet Basil (Ocimum basilicum L.)." Vegetable Crops Research Bulletin 74, no. 1 (2011): 97–106. http://dx.doi.org/10.2478/v10032-011-0008-4.

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Antifungal Activity of Essential Oils from Two Varieties of Sweet Basil (Ocimum basilicumL.)The aim of this work was an evaluation of the antifungal activity of essential oils from two cultivars of sweet basil (Ocimum basilicumL.): ‘Wala’ and ‘Fine Verde’. The essential oils from dried, ground herbs were extracted with the hydro-distillation method using Deryng apparatus. The composition of the oils was analyzed by gas chromatography. The antifungal activity of the oils was tested against the following strains:Alternariasp.,Aspergillus flavus, Botrytis cinerea, Cladosporium herbarum, Eurotium amstelodamiandEurotium chevalieri. The disc diffusion agar method was applied. Each oil was used in two doses, 10 and 5 μl/disc. A disc (6 mm dia.), soaked with oil, was placed on agar plates, which had been previously inoculated with spores of the different strains. The diameters of fungal growth inhibition zones were measured after 72h of incubation at 25°C and expressed in millimeters. The obtained results showed that the diameter of the mycelium growth inhibition zone significantly depended on the source of oil, the dose of oil, and the species of fungi. The essential oil from the ‘Wala’ variety was more effective against the tested fungi than the oil from ‘Fine Verde’ and the inhibition zones were greater when the dose of the oils was higher.E. chevalieriwas the most sensitive to both of the oils andA. flavuswas the most resistant. The differences in the antifungal activity of the tested oils were probably the result of their different chemical compositions. In comparison with the ‘Fine Verde’ oil, the oil from ‘Wala’ had more than twice the amount of linalool, more 1,8-cineole, and contained geraniol and methyl chavicol. In the conditions of the experiment both oils showed greater antifungal activity than cycloheximide (actidion) and methyl thiophanate (Topsin M 500 SC) used as controls.
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10

Alizadeh, Mojgan, Akram Arianfar, and Ameneh Mohammadi. "Evaluation of antioxidant and antimicrobial activity of Ziziphora ‎clinopodiodes essential oil eluted at different times." Current Bioactive Compounds 16 (May 7, 2020). http://dx.doi.org/10.2174/1573407216999200507122039.

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Objective: Ziziphora clinopodioides is an edible medicinal plant belongs to the Labiatae family that widespread all over Iran. It used as culinary and also in cold and cough treatments in Iran. The aim of present work was to evaluate the effect of different timeframes during the hydrodistillation on essential oil composition, antimicrobial and antioxidant activity. Materials and Methods: The essential oil of Z. clinopodiodes was extracted via hydrodistillation with Clevenger apparatus. The fractions of essential oil were captured at 6 times from the beginning of the distillation: (10, 20, 60, 120, 180 and 240 min). The fractions of essential oil were analyzed by GC/MS and their antibacterial, antifungal and antioxidant activities were studied by Disk - well diffusion and DPPH methods respectively. Results: Six distillation times and whole essential oil were captured during the hydrodistillation. Essential oil yield dropped off significantly during distillation progressed (1.0% for 10 min and 0.025 for 240 min). 1,8 Cineol, Isomenthone, Pulegone, Piperitenone and Citronellic acid were major compounds in fractions and they were affected by distillation times. Pulegone was major compound in all of essential oils. In antioxidant activity assay, whole essential oil was stronger than was stronger than positive control and fractions of essential oil, because of higher levels of Isomenthone, Piperitenone and Citronellic acid. Strongest antimicrobial activity against S. aureus, E. coli and C. albicans was observed from 10 min fraction. Conclusion: Our results indicated that distillation time can create essential oils with specific properties and we can achieve to more efficient essential oil in short times.
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Dissertations / Theses on the topic "Distillation apparatus – Control"

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Peng, Jianjun. "Modeling and control of packed reactive distillation columns." 2003. http://wwwlib.umi.com/cr/utexas/fullcit?p3116136.

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Lextrait, Sébastien Walter. "Packed reactive distillation columns modeling, simulation, and control analyses /." Thesis, 2003. http://wwwlib.umi.com/cr/utexas/fullcit?p3116372.

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Levien, Keith Lester. "Studies in the design and control of coupled distillation columns." 1985. http://catalog.hathitrust.org/api/volumes/oclc/12292882.html.

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Thesis (Ph. D.)--University of Wisconsin--Madison, 1985.<br>Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 453-462).
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Books on the topic "Distillation apparatus – Control"

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Luyben, William L. Reactive distillation design and control. John Wiley, 2008.

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1956-, Yu Cheng-Ching, ed. Reactive distillation design and control. John Wiley, 2008.

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L, Luyben William, and Shunta Joseph P, eds. Design of distillation column control systems. Edward Arnold, 1985.

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Buckley, Page S. Design of distillation column control systems. Instrument Society of America, 1985.

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Distillation design and control using Aspen simulation. Wiley, 2006.

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Ilme, Jarno. Estimating plate efficiencies in simulation of industrial scale distillation columns. Lappeenranta University of Technology, 1997.

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L, Luyben William, ed. Practical distillation control. Van Nostrand Reinhold, 1992.

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Luyben, William L., and Cheng-Ching Yu. Reactive Distillation Design and Control. American Institute of Chemical Engineers, 2009.

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Luyben, William L. Distillation Design and Control Using Aspen Simulation. American Institute of Chemical Engineers, 2013.

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Luyben, William L. Distillation Design and Control Using Aspen Simulation. American Institute of Chemical Engineers, 2006.

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Conference papers on the topic "Distillation apparatus – Control"

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Terada, Atsuhiko, Jin Iwatsuki, Hirokaki Takegami, Shinji Kubo, Nariaki Sakaba, and Kaoru Onuki. "Research and Development on Hydrogen Production by Thermochemical Water-Splitting IS Process." In Fourth International Topical Meeting on High Temperature Reactor Technology. ASMEDC, 2008. http://dx.doi.org/10.1115/htr2008-58088.

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A project using the High Temperature Engineering Test Reactor (HTTR) is being proceeded at the Japan Atomic Energy Agency (JAEA), which aims to develop technologies of nuclear production of hydrogen to meet its massive demand in future. The HTTR with thermal power of 30MW is the Japanese high-temperature gas-cooled reactor (HTGR), built and operated at the site of the Oarai Research &amp; Development Center of JAEA. Under the HTTR project, JAEA has been conducting research and development on thermochemical IS process aiming to reach its final goal of demonstrating the nuclear hydrogen production by an HTTR-IS system. The IS process is a chemical process composed of three reactions, i.e. hydrogen iodide decomposition, sulfuric acid decomposition, and production of hydrogen iodide and sulfuric acid. JAEA completed one-week continuous hydrogen production using a glass-made bench-scale test apparatus equipped with an automatic control system in 2004, where the hydrogen production rate was about 30 NL/hr. Based on the successful test, present activity focuses on the development of components to be used in the corrosive process environments and, also, of technologies to realize high thermal efficiency of hydrogen production. This paper describes present status of the activities such as conceptual design of a test plant driven by sensible heat of helium gas heated by an electric heater simulating the HTTR, and component tests for service in the corrosive environments of high temperature sulfuric acid. Also, R&amp;D results are described on glass lining technologies and a reliability evaluation of components made of SiC ceramics, which are promising candidates for application to, e.g. the sulfuric acid decomposer and the hydriodic acid distillation column.
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