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Journal articles on the topic '1-propanol dehydration'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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1

Jordi, Pla-Franco, Estela Lladosa, Sonia Loras, and B. Montón Juan. "Azeotropic distillation for 1-propanol dehydration with diisopropyl ether as entrainer: Equilibrium data and process simulation." Separation and Purification Technology 212 (November 27, 2018): 692–98. https://doi.org/10.1016/j.seppur.2018.11.082.

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Azeotropic distillation process is widely used to separate non-ideal binary mixtures into their constituent pure components. 1-Propanol dehydration was used as case study and diisopropyl ether was analysed as possible entrainer in an azeotropic distillation. The separation of some alcohols from their aqueous solution is a challenging task because these aqueous mixture forms minimum boiling azeotrope. In this way, isobaric vapor-liquid and vapour-liquid-liquid equilibrium data were measured for the 1-propanol+ water + diisopropyl ether ternary mixture at 101.3 kPa. The data were correlated by N

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2

Dias, José A., Sílvia C. L. Dias, and Nicholas E. Kob. "Dehydration of 1-propanol using H3PW12O40 as catalyst." Journal of the Chemical Society, Dalton Transactions, no. 3 (2001): 228–31. http://dx.doi.org/10.1039/b005256f.

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3

Hasegawa, Yasuhisa, Chie Abe, and Ayumi Ikeda. "Pervaporative Dehydration of Organic Solvents Using High-Silica CHA-Type Zeolite Membrane." Membranes 11, no. 3 (2021): 229. http://dx.doi.org/10.3390/membranes11030229.

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A high-silica chabazite (CHA) type zeolite membrane was prepared on the porous α-Al2O3 support tube by the secondary growth of seed particles. The dehydration performances of the membrane were determined using methanol, ethanol, 2-propanol, acetone, acetic acid, methyl ethyl ketone (MEK), tetrahydrofuran (THF), N,N-dimethylformamide (DMF), dimethyl sulfoxide (DMSO), and N-methyl-2-pyrolidone (NMP) at 303–373 K. As a result, the dehydration performances of the membrane were categorized to following three types: (1) 2-propanol, acetone, THF, and MEK; (2) ethanol and acetic acid; and (3) methanol

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4

Ovchinnikova, Elena V., Sardana P. Banzaraktsaeva, Maria A. Kovgan, and Victor A. Chumachenko. "Effect of C3-Alcohol Impurities on Alumina-Catalyzed Bioethanol Dehydration to Ethylene: Experimental Study and Reactor Modeling." Catalysts 13, no. 3 (2023): 509. http://dx.doi.org/10.3390/catal13030509.

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The impact of feedstock impurities on catalytic process is among the crucial issues for processing real raw materials. A real and model 92%-bioethanol contaminated with 0.03–0.3% mol 1-propanol or 2-propanol were used to make ethylene on a proprietary alumina catalyst in isothermal flow reactor. We proposed a formal kinetic model to describe the impure bioethanol conversion to ethylene and byproducts and used it to evaluate the multi-tubular reactor (MTR) for 60 KTPA ethylene production. The simulated data agree well with experimental results. Under reaction-controlled conditions, C3-alcohols

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Červený, Libor, Nguyen Thi Du, and Ivo Paseka. "Model reactions for the study of hydrogenation and acidic activity of palladium catalysts." Collection of Czechoslovak Chemical Communications 52, no. 8 (1987): 2019–27. http://dx.doi.org/10.1135/cccc19872019.

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Palladium catalysts have been used to study the hydrogenation of 1-phenyl-2-butene-1-ol which is accompanied by several side reactions considered to be acid-catalysed. Another model reaction studied was dehydration and subsequent hydrogenation or hydrogenolysis of 1-phenyl-1,3-propanediol to 3-phenyl-1-propanol, accompanied by formation of propylbenzene. The dehydration and propylbenzene formation can be again classified as acid-catalysed reactions. Another one is methanolysis of styrene oxide taking place under conditions of liquid phase hydrogenation due to the acid properties of Pd-H system

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6

Pla-Franco, Jordi, Estela Lladosa, Sonia Loras, and Juan B. Montón. "Approach to the 1-propanol dehydration using an extractive distillation process with ethylene glycol." Chemical Engineering and Processing: Process Intensification 91 (May 2015): 121–29. http://dx.doi.org/10.1016/j.cep.2015.03.007.

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7

Xu, Qing-Fang, Liang Fan, Kai-Xiang Lu, Dong-Mei Zhao, Ming-Xia Zhang, and Jian Cai. "Volatile Profiles of Vidal Grapes in the Shangri-La High-Altitude Region during On-Vine Non-Destructive Dehydration." Horticulturae 8, no. 11 (2022): 1029. http://dx.doi.org/10.3390/horticulturae8111029.

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Both free and glycosidically bound forms of volatile compounds in Vidal grapes from the Shangri-La high-altitude region during the on-vine non-destructive dehydration process were investigated by headspace solid-phase micro-extraction (HS-SPME) combined with gas chromatography–mass spectrometry (GC-MS), following which the data were processed by multivariate statistical analysis. Fatty-acid-derived volatiles (FADs), amino-acid-derived volatiles (AADs), and isoprene-derived volatiles (IPDs), which occurred mainly in bound forms, were the three major volatiles in dehydrated Vidal grapes. Water-l

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8

da Silva Valadares, Deborah, Willian Henrique Ribeiro de Carvalho, Ana Lívia Fernandes Fonseca, et al. "Different Routes for the Hierarchization of *BEA Zeolite, Followed by Impregnation with Niobium and Application in Ethanol and 1-Propanol Dehydration." Catalysts 15, no. 4 (2025): 340. https://doi.org/10.3390/catal15040340.

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This study examined the hierarchical structuring of *BEA zeolite using two distinct approaches: double aluminum removal with solid ammonium hexafluorosilicate (2x-AHFS) and a solution of 0.2 M sodium hydroxide followed by 0.5 M hydrochloric acid (T-NaOH). Additionally, niobium pentoxide (Nb2O5) was impregnated at different loadings (5, 10, 15, and 20 wt.%) onto the hierarchized materials. Both treatments increased the SiO2/Al2O3 ratio and produced crystals with domains of about the same size. The hierarchization methods generated secondary mesopores and reduced the micropores in the treated HB

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9

Zhi, Yuchun, Hui Shi, Linyu Mu, et al. "Dehydration Pathways of 1-Propanol on HZSM-5 in the Presence and Absence of Water." Journal of the American Chemical Society 137, no. 50 (2015): 15781–94. http://dx.doi.org/10.1021/jacs.5b09107.

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10

Vohs, J. M., and M. A. Barteau. "Dehydration and dehydrogenation of ethanol and 1-propanol on the polar surfaces of zinc oxide." Surface Science 221, no. 3 (1989): 590–608. http://dx.doi.org/10.1016/0039-6028(89)90488-3.

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11

Vohs, J. M., and M. A. Barteau. "Dehydration and dehydrogenation of ethanol and 1-propanol on the polar surfaces of zinc oxide." Surface Science Letters 221, no. 3 (1989): A517. http://dx.doi.org/10.1016/0167-2584(89)90652-x.

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12

Narayan, Ravi, and Michael Jerry Antal. "Influence of pressure on the acid-catalyzed rate constant for 1-propanol dehydration in supercritical water." Journal of the American Chemical Society 112, no. 5 (1990): 1927–31. http://dx.doi.org/10.1021/ja00161a043.

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13

Pla-Franco, Jordi, Estela Lladosa, Sonia Loras, and Juan B. Montón. "Azeotropic distillation for 1-propanol dehydration with diisopropyl ether as entrainer: Equilibrium data and process simulation." Separation and Purification Technology 212 (April 2019): 692–98. http://dx.doi.org/10.1016/j.seppur.2018.11.082.

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14

Budić-Leto, Irena, Iva Humar, Jasenka Gajdoš Kljusurić, Goran Zdunić, and Emil Zlatić. "Free and Bound Volatile Aroma Compounds of ´Maraština´ Grapes as Influenced by Dehydration Techniques." Applied Sciences 10, no. 24 (2020): 8928. http://dx.doi.org/10.3390/app10248928.

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Dehydration or drying of grapes is one of the most important steps in the production of Croatian traditional dessert wine Prošek. The natural sun drying of grapes is the traditionally used method in Prošek production. Alternative methods, such as dehydration under controlled conditions, have been studied as safer and faster methods than the traditional sun drying but without precise knowledge of the effect on volatile compounds. The objective of this work was to study how dehydration of grapes carried out in a greenhouse and an environmentally controlled chamber impacts on the free and glycosi

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15

Brei, V. V., V. A. Kaspersky, K. N. Khomenko, and A. A. Chuiko. "A Study of the Brönsted Site Acidity of Crystalline and Amorphous Aluminosilicates: 1. Desorption of Ammonia, Dehydration of 2-Propanol and Cracking of Cumene." Adsorption Science & Technology 14, no. 6 (1996): 349–57. http://dx.doi.org/10.1177/026361749601400602.

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The acidity of the H-form aluminosilicates, which include ZSM-5, mordenite, Y-faujasite, Al-containing aerosils and silica gels, and the layering of aluminosilicate compounds on an aerosil surface was measured by temperature-programmed mass spectrometry desorption (TPD) of NH3. It was found that the desorption energies of NH3 decrease in the order: H-M > H-ZSM-5 > Al-aerosils> H-Y > CVD Al-silicates> Al-silica gels. The catalytic activities of the studied samples in 2-propanol dehydration and cumene cracking have been shown to decrease in the same order.

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16

Missyurin, Alexey, Diana-Luciana Cursaru, Mihaela Neagu, and Marilena Nicolae. "Hybrid Process Flow Diagram for Separation of Fusel Oil into Valuable Components." Processes 12, no. 12 (2024): 2888. https://doi.org/10.3390/pr12122888.

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Ethanol production by fermentation results in obtaining, in addition to the main product, ethyl alcohol, by-products and secondary products, which include carbon dioxide, fusel oil, and ester–aldehyde cut. Fusel oil, despite its low yield and the large volume of ethanol production, accumulates at distilleries, which ultimately raises the question of its disposal or the rational use of this by-product. Fusel oil, being a complex mixture, can serve as a source of technical alcohols used in various sectors of the economy, including the food industry, pharmaceuticals, organic synthesis, perfume, a

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17

Antal,, Michael Jerry, Magnus Carlsson, Xiaodong Xu, and Donald G. M. Anderson. "Mechanism and Kinetics of the Acid-Catalyzed Dehydration of 1- and 2-Propanol in Hot Compressed Liquid Water." Industrial & Engineering Chemistry Research 37, no. 10 (1998): 3820–29. http://dx.doi.org/10.1021/ie980204c.

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18

Valdez, R., B. Pawelec, J. M. Quintana, and A. Olivas. "Effect of the acidity of alumina over Pt, Pd, and Pt–Pd (1:1) based catalysts for 2-propanol dehydration reactions." Fuel 105 (March 2013): 688–94. http://dx.doi.org/10.1016/j.fuel.2012.10.047.

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19

Maina, Silvia Carolina Palmira, Irene María Julieta Vilella, Adriana Daniela Ballarini, and Sergio Rubén de Miguel. "Performance of Modified Alumina-Supported Ruthenium Catalysts in the Reforming of Methane with CO2." Catalysts 13, no. 2 (2023): 338. http://dx.doi.org/10.3390/catal13020338.

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Ruthenium (1 wt%) catalysts supported on alumina doped with alkaline (Na and K) and alkaline earth metals (Ba, Ca, and Mg) of different concentrations (1, 5, and 10 wt%) were tested in the dry reforming of methane. All catalysts were prepared by the successive impregnation method. Supports were characterized by X-ray diffraction, BET surface area, temperature-programmed desorption of CO2, and 2-propanol dehydration. Additionally, catalysts were characterized by temperature-programmed reduction (TPR), temperature-programmed oxidation (TPO), transmission electron microscopy (TEM), and X-ray phot

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20

Gaztañaga, Pablo, Ricardo Baggio, and Daniel Roberto Vega. "A crystallographic and thermal study of pridinol mesylate and its monohydrated solvate." Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 74, no. 3 (2018): 304–10. http://dx.doi.org/10.1107/s2052520618007023.

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Herein are reported the crystal and molecular structures of the pridinol mesylate salt (C20H25NO+·CH3O3S−) (I) and its monohydrated solvate form (C20H25NO+·CH3O3S−·H2O) (II). A comparison of both with the already reported structure of pure pridinol [1,1-diphenyl-3-piperidino-1-propanol, C20H25NO; Tacke et al. (1980). Chem. Ber. 113, 1962–1980] is made. Molecular structures (I) and (II) are alike in bond distances and bond angles, but differ in their spatial conformation, and, more relevant still, in their hydrogen-bonding motifs. This gives rise to quite different packing schemes, in the form

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21

Lepore, A. W., Z. Li, B. H. Davison, G. S. Foo, Z. Wu, and C. K. Narula. "Catalytic Dehydration of Biomass Derived 1-Propanol to Propene over M-ZSM-5 (M = H, V, Cu, or Zn)." Industrial & Engineering Chemistry Research 56, no. 15 (2017): 4302–8. http://dx.doi.org/10.1021/acs.iecr.7b00592.

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22

Nunan, J. G., K. Klier, and R. G. Herman. "Methanol and 2-Methyl-1-Propanol (Isobutanol) Coupling to Ethers and Dehydration over Nafion H: Selectivity, Kinetics, and Mechanism." Journal of Catalysis 139, no. 2 (1993): 406–20. http://dx.doi.org/10.1006/jcat.1993.1036.

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23

Kazimir Kurzeluk, Daniel. "OPTIMISATION OF LABORATORY PROTOCOLS FOR THE HISTOLOGICAL STUDY OF TRIALEURODES VAPORARIORUM WESTWOOD, 1856 (HEMIPTERA: ALEYRODIDAE) GONADS – Part 1." Romanian Journal for Plant Protection 13 (2020): 86–95. http://dx.doi.org/10.54574/rjpp.13.14.

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"Many techniques for the histological study of the invertebrate gonads topography are described. For arthropods, a major drawback is the presence of the exoskeleton, which is a hardly permeable structure to the aqueous reagents with mechanical resistance also. Therefore, use of specific reagents and techniques, adapted for the study of their internal structures is a must. Several methods have been tested in this study like aqueous topographical fixation solutions based on picric acid (Bouin), mercury (II) chloride („Susa” Heidenhain) as well as alcoholic ones, picric acid (Duboscq-Brasil), mer

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24

Stawicka, Katarzyna, Julia Gajewska, Maria Ziolek, and Maciej Trejda. "The Effect of the NbVOx Synthesis Protocol on the Extractive Catalytic Oxidative Desulfurization of Dibenzothiophene." Molecules 30, no. 3 (2025): 551. https://doi.org/10.3390/molecules30030551.

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NbVOx mixed oxides were synthesized, characterized, and evaluated as catalysts for the extractive catalytic oxidative desulfurization (ECODS) of dibenzothiophene (DBT) using acetonitrile as a solvent. The mixed oxides were prepared using two different vanadium precursors: ammonium metavanadate and vanadium(IV)-oxy acetylacetonate. These precursors influenced the acidic/basic properties and the concentration of oxygen vacancies in the resulting catalysts. The texture and surface properties of the synthesized materials were analyzed using nitrogen adsorption/desorption, X-ray diffraction (XRD),

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25

Sokolova, Maria, Alexander Bugrov, Michael Smirnov, et al. "Effect of Domain Structure of Segmented Poly(urethane-imide) Membranes with Polycaprolactone Soft Blocks on Dehydration of n-Propanol via Pervaporation." Polymers 10, no. 11 (2018): 1222. http://dx.doi.org/10.3390/polym10111222.

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Segmented poly(urethane-imide)s (PUIs) were synthesized by polyaddition reaction and applied for preparation of membranes. Tolylene-2,4-diisocyanate, pyromellitic dianhydride, and m-phenylenediamine for chain extension were used to form hard aromatic blocks. Polycaprolactone diols with molecular weights equal to 530 and 2000 g mol−1 were chosen as soft segments. The effect of the length of soft segments on the structure, morphology, and transport properties of segmented poly(urethane-imide) membranes were studied using atomic force microscopy, small-angle and wide-angle X-ray scattering, and p

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26

Sterpu, Ancaelena-Eliza, Anca Iuliana Dumitru, and Mihai-Florinel Popa. "Regeneration of used engine lubricating oil by solvent extraction." Analele Universitatii "Ovidius" Constanta - Seria Chimie 23, no. 2 (2012): 149–54. http://dx.doi.org/10.2478/v10310-012-0025-2.

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AbstractHuge amounts of used lubricating oils from automotive sources are disposed of as a harmful waste into the environment. For this reason, means to recover and reuse these wastes need to be found. Problems arising from acid treatment include environmental problems associated with the disposal of acid sludge and spent earth, low product yield (45-65%) and incomplete removal of metals. The processes of re-refining of used lubricating oils depend greatly on the nature of the oil base stock and on the nature and amount of contaminants in the lubricant resulting from operations. The study was

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27

Dai, Qiao-Ling, Bo Yan, Yu Liang, and Bo-Qing Xu. "Water effects on the acidic property of typical solid acid catalysts by 3,3-dimethylbut-1-ene isomerization and 2-propanol dehydration reactions." Catalysis Today 295 (October 2017): 110–18. http://dx.doi.org/10.1016/j.cattod.2017.05.084.

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28

Luciani, Giuseppina, Giovanna Ruoppolo, Gianluca Landi, Valentina Gargiulo, Michela Alfè, and Almerinda Di Benedetto. "Glycerol Hydrogenolysis to 1,2-Propanediol over Novel Cu/ZrO2 Catalysts." Catalysts 12, no. 1 (2022): 72. http://dx.doi.org/10.3390/catal12010072.

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Glycerol is the main by-product of biodiesel production; its upgrading to more valuable products is a demanding issue. Hydrogenolysis to 1,2-propanediol is one of the most interesting processes among the possible upgrading routes. In this study, we propose novel copper/zirconia catalysts prepared by advanced preparation methods, including copper deposition via metal–organic framework (MOF) and support preparation via the sol–gel route. The catalysts were characterized by N2 physisorption, X-ray diffraction, Scanning Electron Microscopy, H2-TPR and NH3-TPD analyses and tested in a commercial ba

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29

Vernet, Helena, Aïda Magdalena Fullana, Francisco Javier Sorribas, and Emilio J. Gualda. "Development of Microscopic Techniques for the Visualization of Plant–Root-Knot Nematode Interaction." Plants 11, no. 9 (2022): 1165. http://dx.doi.org/10.3390/plants11091165.

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Plant-parasitic nematodes are a significant cause of yield losses and food security issues. Specifically, nematodes of the genus Meloidogyne can cause significant production losses in horticultural crops around the world. Understanding the mechanisms of the ever-changing physiology of plant roots by imaging the galls induced by nematodes could provide a great insight into their control. However, infected roots are unsuitable for light microscopy investigation due to the opacity of plant tissues. Thus, samples must be cleared to visualize the interior of whole plants in order to make them trans

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30

Krūkle-Bērziņa, Kristīne, and Andris Actiņš. "Understanding complex phase transition mechanism by crystal structure analysis." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C1704. http://dx.doi.org/10.1107/s2053273314082953.

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Xylazine hydrochloride (2-(2,6-xylidino)-5,6-dihydro-4H-1,3-thiazine hydrochloride) is an adrenergic α-agonist used as a sedative, analgesic, and muscle relaxant in veterinary medicine. It has four polymorphous forms (A, Z, M and X), monohydrate (H), hemihydrate and solvates with dichloromethane and 2-propanol. It has been reported that the polymorph X is thermodynamically the least stable of these polymorphs, while the A is the most stable form at temperatures above 500C. The X forms only in H dehydration process, and at elevated temperature X transforms to polymorph A [1]. The crystal struct

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31

Mandal, Sangita, and Vishwas G. Pangarkar. "Pervaporative dehydration of 1-methoxy propanol with acrylonitrile based co-polymer membranes prepared through emulsion polymerization: a solubility parameter approach and study of structural impact." Journal of Membrane Science 209, no. 1 (2002): 53–66. http://dx.doi.org/10.1016/s0376-7388(02)00253-3.

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32

Neurock, Matthew, Zhiyuan Tao, Ashwin Chemburkar, David D. Hibbitts, and Enrique Iglesia. "Theoretical insights into the sites and mechanisms for base catalyzed esterification and aldol condensation reactions over Cu." Faraday Discussions 197 (2017): 59–86. http://dx.doi.org/10.1039/c6fd00226a.

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Condensation and esterification are important catalytic routes in the conversion of polyols and oxygenates derived from biomass to fuels and chemical intermediates. Previous experimental studies show that alkanal, alkanol and hydrogen mixtures equilibrate over Cu/SiO<sub>2</sub> and form surface alkoxides and alkanals that subsequently promote condensation and esterification reactions. First-principle density functional theory (DFT) calculations were carried out herein to elucidate the elementary paths and the corresponding energetics for the interconversion of propanal + H<sub>2</sub> to prop

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33

Samra, S. E., A. M. Youssef, and B. S. Girgis. "Catalytic Properties of Silica-supported 12-Molybdophosphoric Acid in the Conversion of 2-Propanol." Adsorption Science & Technology 12, no. 3 (1995): 191–201. http://dx.doi.org/10.1177/026361749501200303.

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A technical silica gel was impregnated with a solution of the titled heteropoly acid (1–20 w/w%) and calcined at 400, 600 or 800 °C. Dehydration of the alcohol generally increased with the loaded acid, and decreased almost linearly with the reaction temperature (360–260°C). The best alcohol decomposition was achieved over the 600°C-calcined catalysts when over 90% conversion to propene was attained. The apparent activation energies decreased with the degree of loading and attained a value of 22 kJ/mol on the 600°C-calcined 20% HPMo-supported catalyst (half that on the solids calcined at 400°C

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34

Kamar, Afaf, Alexander Baldwin Young, and Raymond Evans March. "A comparative ion chemistry study of acetone, diacetone alcohol, and mesityl oxide." Canadian Journal of Chemistry 64, no. 10 (1986): 1979–88. http://dx.doi.org/10.1139/v86-328.

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The evolution of ion species by unimolecular and bimolecular reactions, both concurrent and sequential, has been investigated for each of 2-propanone, d6-2-propanone, 4-hydroxy-4-methyl-2-pentanone, and 4-methyl-3-penten-2-one. Infrared multiphoton dissociation (IRMPD) has been used in order to differentiate between gaseous ionic isomers. It is concluded that the isomeric species, protonated 2-propanone dimer and protonated 4-hydroxy-4-methyl-2-pentanone, both of m/z 117, are of different structures. The ion species C6H11O+ of m/z 99, and its perdeuterated analogue, which is observed in all th

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35

Liang, Tao, Shu Rong Wang, Xiu Juan Guo, Yan Zhou, and Yue Ling Gu. "Catalytic Fast Pyrolysis of Cellulose with HZSM-5." Advanced Materials Research 347-353 (October 2011): 2459–63. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.2459.

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An analytical pyrolyzer coupled with Gas Chromatography and Mass Spectrometry (Py-GC/MS) was employed to study the influence of HZSM-5 on the pyrolysis products of cellulose. The results revealed that pyrolysis products of cellulose consisted of light molecular weight products with linear chain, anhydrosugars and furan compounds. Light molecular products were mainly acetaldehyde and 2-propanone, 1-hydroxy; anhydrosugars were mainly levoglucosan (LG), levoglucosenone (LGO) and 1,4:3,6-Dianhydro-α-d-glucopyranose (DGP); Furans were mainly furfural (FF) and 5-(hydroxymethyl) furfural (HMF). The a

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36

Yates, Peter, and Magdy Kaldas. "The synthesis of norbornanes with functionalized carbon substituents at a bridgehead. 1-(3-Oxonorborn-1-yl)ethanone and 1-(3-oxonorborn-1-yl)-2-propanone." Canadian Journal of Chemistry 70, no. 5 (1992): 1492–505. http://dx.doi.org/10.1139/v92-185.

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Treatment of 2-norobornene-1-carboxylic acid (7) with one equivalent of methyllithium in ether followed by a second molar equivalent after dilution with tetrahydrofuran gave 1-(norborn-2-en-lyl)ethanone (10) and only a trace of the tertiary alcohol 11. Reaction of 7 with formic acid followed by hydrolysis gave a 4:3 mixture of exo-3- and exo-2-hydroxynorbornane-1-carboxylic acid (16 and 17), whereas oxymercuration–demercuration gave only the exo-3-hydroxy isomer 16. Oxidation of 16 and 17 gave 3- and 2-oxonorbornane-1-carboxylic acid (27 and 29), respectively. Oxymercuration–demercuration of 1

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37

Lovas, F. J., R. D. Suenram, D. F. Plusquellic, and H. Møllendal. "The microwave spectrum of the C3 sugars: glyceraldehyde and 1,3-dihydroxy-2-propanone and the dehydration product 2-hydroxy-2-propen-1-al." Journal of Molecular Spectroscopy 222, no. 2 (2003): 263–72. http://dx.doi.org/10.1016/j.jms.2003.08.007.

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38

Mufandi, Ilham, Ratchaphon Suntivarakorn, Wasakorn Treedet, and Piyapong Singbua. "Analisis Termogravimetri dan Dekomposisi Termal pada Produksi Bio-Oil dari Daun Tebu Menggunakan Proses Pirolisis Cepat." Eksergi 20, no. 2 (2023): 82. http://dx.doi.org/10.31315/e.v20i2.9849.

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Sugarcane leaves are one of the agro-industrial wastes derived from sugarcane plants. In this research, sugarcane leaves are used as raw material for pyrolysis which produces three main products: liquid, solid, and gas. The focus of this research is to identify the effect of temperature on pyrolysis, identify mass changes, identify decomposition, and identify the chemical composition of bio-oil. The pyrolysis was carried out using a Circulating Fluidized Bed (CFBr) reactor with pyrolysis temperature variations from 440oC to 520oC. Analysis of pyrolysis characteristics of sugarcane leaves are u

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Mariyam, Sabah, Mohammad Alherbawi, Naim Rashid, Tareq Al-Ansari, and Gordon McKay. "Bio-Oil Production from Multi-Waste Biomass Co-Pyrolysis Using Analytical Py–GC/MS." Energies 15, no. 19 (2022): 7409. http://dx.doi.org/10.3390/en15197409.

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Background: Bioenergy attracts much attention due to the global demand for renewable and sustainable energy resources. Waste biomass feedstocks—date pits, coffee waste, and cow dung—require efficient and environmentally friendly waste-management technologies such as pyrolysis. Fast pyrolysis occurs at fast heating rates (10–100 °C/s), generates high bio-oil yields, and is the most widely used process for biofuel generation. The aim of the study is to compare the effect of pyrolysis between single, binary, and ternary feeds on thermal degradation behavior and bio-oil composition. Methods: Therm

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Chen, Qiaomin, Yangyang Bai, Xinyang Liu, Wenxiu Yue, and Fuliang Han. "Effect of indoor dehydration on the chemical composition of Marselan grapes in Heyang of China." Journal of Food Science, March 22, 2024. http://dx.doi.org/10.1111/1750-3841.17026.

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AbstractMarselan is a red wine grape variety with great brewing prospects. The aim of this study was to investigate the effect of postharvest indoor dehydration on the quality of Marselan grapes. For two consecutive years, the harvested grapes were dehydrated naturally indoors (24–28°C). Fresh grapes were used as a control, and dehydrated samples were taken every 7 days during the period of dehydration until ending at day 28. Dehydration treatment increased degrees Brix, reducing sugars, glycerol, and malic acid. On day 7, there was an increase in protocatechuic acid, p‐coumaric acid, and tota

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Mokhtari, Mustapha, Leila Kharbouche, and Hadj Hamaizi. "Catalytic Dehydration of 1-Propanol Over Silica Containing Sulfonic Acid Groups." Materials Research 22, no. 3 (2019). http://dx.doi.org/10.1590/1980-5373-mr-2018-0690.

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"Ethylene Glycol as Entrainer in 1-Propanol Dehydration: Scrutiny of Physicochemical Properties of Ethylene Glycol+1-Propanol Binary Mixture at Different Temperatures." International Journal of Innovative Technology and Exploring Engineering 8, no. 12S (2019): 229–34. http://dx.doi.org/10.35940/ijitee.l1064.10812s19.

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Density (ρ), and dielectric permittivity (ε) of the binary mixture of ethylene glycol + 1- propanol have been determined as a function of mole fraction of ethylene glycol at T = (298, 308 and 313)K. These measurements have been employed to compute thermodynamic properties like molar volume (V), and molar polarization (P) of the liquid mixtures. Excess properties such as VE, εE and PE for the binary mixture have also been calculated at different temperatures. In order to calculate the standard deviations of the excess properties, Redlich – Kister polynomial equation was used. The negative and p

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Mello Falcão, Eduardo de Souza, Deborah da Silva Valadares, Giovana Magalhães dos Santos, et al. "Preparation of 12-Tungstophosphoric Acid Embedded in a Silica Matrix and Its Effect on the Activity of 1-Propanol Dehydration." ACS Omega, April 14, 2025. https://doi.org/10.1021/acsomega.4c10379.

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Chaowamalee, Supphathee, Atikhun Chotirattanachote, Wongsakorn Khammee, Chanoknun Kalvibool, and Chawalit Ngamcharussrivichai. "Sustainable Production of 1‐Propanol via the Selective Hydrogenolysis of Glycerol Over a Tailored Iridium–Rhenium Oxide Catalyst Supported on HUSY Zeolite." ChemCatChem, July 31, 2025. https://doi.org/10.1002/cctc.202500885.

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Abstract1‐Propanol (1‐PO) is a widely used industrial solvent and an important chemical intermediate. In this study, the hydrogenolysis of glycerol to 1‐PO was investigated over conventional proton‐form ultrastable (HUSY) zeolite, monometallic Ir‐loaded HUSY (Ir‐HUSY), and Ir–ReOx metal–metal oxide supported on HUSY (IrRe‐HUSY). The IrRe‐HUSY catalysts, which were prepared via a sequential two‐step incipient wetness impregnation method, exhibited favorable physicochemical properties, including improved acid properties and uniform metal dispersion. Therefore, the bimetallic IrRe‐HUSY catalysts

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Li, Haoyu, Qian Wu, Qiannan Liu, et al. "Volatile Flavor Compounds of Pugionium cornutum (L.) Gaertn. Before and After Different Dehydration Treatments." Frontiers in Nutrition 9 (May 2, 2022). http://dx.doi.org/10.3389/fnut.2022.884086.

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Pugionium cornutum (L.) Gaertn (also Pugionium) is a special Mongolian vegetable, belonging to the Cruciferous family, growing in arid and semi-arid areas of northern China, with a unique flavor and potential health benefits. This article aims to describe the profile of volatile flavor compounds in fresh and different dehydrated samples, establish the fingerprint, and identify the characteristic compounds. The fresh Pugionium sample and 3 kinds of dehydrated samples were analyzed. Headspace/gas chromatography-ion migration spectrometry (HS/GC-IMS) and solid-phase microextraction/gas chromatogr

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"Synthesis of 1-(methylsulfonyl)-1-propene and N,N-dimethyl-1-propene-1-sulfonamide." Kharkov University Bulletin Chemical Series, no. 35 (2020). http://dx.doi.org/10.26565/2220-637x-2020-35-04.

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Various vinylsulfones and vinylsulfonamides have a wide range of biological activities (mainly, inhibition of different types of enzymes) and are frequently used in synthetic organic chemistry (as active dienophiles, Michael acceptors and, generally, active agents in 1,4‑addition and electrocyclization reactions). However, despite numerous synthesized substances of this type, the synthetic protocols for the obtaining of the low molecular weight representatives of these compounds – 1‑(methylsulfonyl)-1-propene and N,N‑dimethyl-1‑propene-1-sulfonamide – seem to be still little known. In the pres

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