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Готові списки джерел за темами / C4h10 / Статті в журналах

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Статті в журналах з теми "C4h10"

Автор: Grafiati

Опубліковано: 28 травня 2022

Оновлено: 31 липня 2025

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1

Islam, Mohammed Ainul, Sajal Chandra Banik, Kazi Anisur Rahman, and Mohammed Tazul Islam. "Study of the Analyzing the Effect of Releasing LPG in the Environment with Different Wind Velocity Using ALOHA." SciEn Conference Series: Engineering 1 (May 7, 2025): 1–5. https://doi.org/10.38032/scse.2025.1.1.

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LPG gas is one of the substances with a high potential for environmental harm that is now widely employed in industry and other applications. In this study, the ALOHA model was utilized with varied wind speeds to assess the impact of releasing LPG into the environment, which causes a negative effect on human health. The purpose of this study is to show the toxic and flammable area of the affected area from the released LPG vapor cloud. The red zone (AEGL-3) of the toxic and flammable vapor cloud from the released gas remains constant with increasing ambient wind velocity for each LPG property

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2

Kudryavtseva, M. S., A. N. Petukhov, D. N. Shablykin, E. A. Stepanova, A. V. Vorotyntsev, and V. M. Vorotyntsev. "Natural Gas Separation by Gas Hydrate Crystallization Technology: Calculation of Gas Hydrate Distribution Coefficients." Chemistry and Technology of Fuels and Oils 638, no. 4 (2023): 3–7. http://dx.doi.org/10.32935/0023-1169-2023-638-4-3-7.

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This work considers the possibility of separating the natural gas from the Orenburg field using gas hydrate crystallization technology to purify methane from impurities. The effect of the mixture composition, process temperature, and pressure on the separation efficiencyof the gas mixture CH4 - C2H6 - C3H8 - i-C4H10 - н-C4H10 - C5H12 - N2 - H2S - CO2 was mathematically modeled. Efficiency was determined based on gas hydrate distribution coefficients. It was shown that the CH4 gas hydrate distribution coefficient variedinsignificantly with the field operation time and amounted to less than 1. T

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3

Li, Huazhou, Sixu Zheng, and Daoyong Yang. "Enhanced Swelling Effect and Viscosity Reduction of Solvent(s)/CO2/Heavy-Oil Systems." SPE Journal 18, no. 04 (2013): 695–707. http://dx.doi.org/10.2118/150168-pa.

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Summary In this paper, techniques have been developed to examine the enhanced swelling effect and viscosity reduction of CO2-saturated heavy oil with the addition of either solvent C3H8 or solvent n-C4H10. Experimentally, pressure/volume/temperature (PVT) tests are conducted to measure the saturation pressure, swelling factor, and viscosity of the C3H8/heavy-oil system, the C3H8/CO2/heavy-oil system, and the n-C4H10/CO2/heavy-oil system, respectively, in the overall temperature range of 280.45 to 391.55 K. It has been found that an increased swelling effect of heavy oil is obtained by adding t

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4

Guo, Jiadong, Shaoqi Kong, Kunjie Li, et al. "CO2 Utilization and Sequestration in Organic and Inorganic Nanopores During Depressurization and Huff-n-Puff Process." Nanomaterials 14, no. 21 (2024): 1698. http://dx.doi.org/10.3390/nano14211698.

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CO2 injection in shale reservoirs is more suitable than the conventional recovering methods due to its easier injectivity and higher sweep efficiency. In this work, Grand Canonical Monte Carlo (GCMC) simulation is employed to investigate the adsorption/desorption behavior of CH4-C4H10 and CH4-C4H10-CO2 mixtures in organic and inorganic nanopores during pressure drawdown and CO2 huff and puff processes. The huff and puff process involves injecting CO2 into the micro- and mesopores, where the system pressure is increased during the huffing process and decreased during the puffing process. The fu

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5

Bălţătescu, Oana, Raluca Maria Florea, Aurelian Buzăianu, Costel Roman, and Ioan Carcea. "Reseachers Concerning Stabilized Aluminium Foams Based on Silicon Carbide." Advanced Materials Research 837 (November 2013): 253–58. http://dx.doi.org/10.4028/www.scientific.net/amr.837.253.

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To obtain SAF we have focused research on Al-Mg alloys with different concentrations of magnesium and silicon carbide (SiC). To obtain these materials has been chosen different gas blowing method (N2, SO2 and C4H10). It was observed that the best results in terms of pore volume gave blowing with C4H10. The samples obtained were analyzed by optical and electron microscopy.

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6

Xu, Feng, Yilu Wu, Juan Wu, et al. "A Microporous Zn(bdc)(ted)0.5 with Super High Ethane Uptake for Efficient Selective Adsorption and Separation of Light Hydrocarbons." Molecules 28, no. 16 (2023): 6000. http://dx.doi.org/10.3390/molecules28166000.

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Separating light hydrocarbons (C2H6, C3H8, and C4H10) from CH4 is challenging but important for natural gas upgrading. A microporous metal-organic framework, Zn(bdc)(ted)0.5, based on terephthalic acid (bdc) and 1,4-diazabicyclo[2.2.2]octane (ted) ligands, is synthesized and characterized through various techniques, including powder X-ray diffraction (PXRD), scanning electron microscopy (SEM), thermogravimetric analysis (TGA), and porosity analysis. The adsorption isotherms of light hydrocarbons on the material are measured and the isosteric adsorption heats of CH4, C2H6, C3H8, and C4H10 are c

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7

Nagase, Kenzo, and Jan A. Herman. "Ion/molecule reactions in allene. III. Reactions of the parent ion with neutral alkanes." Canadian Journal of Chemistry 64, no. 1 (1986): 192–97. http://dx.doi.org/10.1139/v86-032.

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Ion/molecule reactions between the ion C3H4+• ion, from allene and neutral alkanes were investigated by mass spectrometry. There are four H•/CH3•/H−/H2− transfer reactions and relative rate constants were calculated. The overall rates increased in the order CH4 < C2H6 < C3H8 < i-C4H10 < n-C4H10. There is also a stabilization process by alkanes of CeH8+• ion species, but its importance is lower than the above transfer processes.

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8

Peng, Chao, Chun Zou, Jiaxin Ren, et al. "Ignition delay times of C2H4, C2H4/n-C4H10, and n-C4H10/i-C4H10 under O2/CO2 atmospheres: Shock tube experiments and kinetic model." Combustion and Flame 254 (August 2023): 112825. http://dx.doi.org/10.1016/j.combustflame.2023.112825.

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9

Zheng, Sixu, and Daoyong Yang. "Determination of Individual Diffusion Coefficients of C3H8/n-C4H10/CO2/Heavy-Oil Systems at High Pressures and Elevated Temperatures by Dynamic Volume Analysis." SPE Journal 22, no. 03 (2016): 799–816. http://dx.doi.org/10.2118/179618-pa.

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Summary By coupling heat and mass transfer for C3H8/n-C4H10/CO2/heavy-oil systems as well as by treating heavy oil as multiple pseudocomponents, a new technique together with its computational scheme has been developed to determine individual diffusion coefficients of alkane solvents and CO2 in heavy oil at high pressures and elevated temperatures by dynamic volume analysis (DVA). Experimentally, well-designed diffusion tests have been conducted for an n-C4H10/heavy-oil system, a CO2/heavy-oil system, an n-C4H10/CO2/heavy-oil system, and a C3H8/n-C4H10/CO2/heavy-oil system by using a visualize

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10

Movileanu, Codina, Maria Mitu, and Venera Giurcan. "The State of the Art of Laminar Burning Velocities of H2-Enriched n-C4H10–Air Mixtures." Energies 16, no. 14 (2023): 5536. http://dx.doi.org/10.3390/en16145536.

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Currently, hydrogen-enriched n-butane blends present a real interest due to their potential to reduce emissions and increase the efficiency of combustion processes, as an alternative fuel for internal combustion engines. This paper summarises the recent research on laminar burning velocities of hydrogen-enriched n-C4H10–air mixtures. The laminar burning velocity is a significative parameter that characterises the combustion process of any fuel–air mixture. Accurately measured or computed laminar burning velocities have an important role in the design, testing, and performance of n-C4H10–H2 fue

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11

Kudryavtseva, M. S., A. N. Petukhov, D. N. Shablykin, E. A. Stepanova, and V. M. Vorotyntsev. "Calculating Coefficients of the Gas Hydrate Distribution of CO2 and H2S when Removing Them from a Methane-Containing Gas Mixture." Журнал физической химии 97, no. 4 (2023): 481–85. http://dx.doi.org/10.31857/s0044453723040192.

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A study is performed of the effect process temperature and pressure have on the distribution of CO2 and H2S gas hydrate in a model methane-containing gas mixture of CH4 (89.00 mol %)–CO2 (5.00 mol %)–n-C4H10 (3.00 mol %)–N2 (2.00 mol %)–H2S (1.00 mol %) containing components of natural gas. Modeling is done at low (4.00 MPa) and high (8.00 MPa) pressures in the 272.15–278.15 K range of temperatures. The temperature dependences of the coefficients of the gas hydrate distribution of natural gas components are shown to differ. The maximum coefficients of the gas hydrate distribution of CO2 and H2

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12

Yamamoto, Morio, Yoshio Iwai, and Yasuhiko Arai. "Monte Carlo simulation for pVT relationship of CO2+n-C4H10 and CO2+i-C4H10 systems." Fluid Phase Equilibria 163, no. 2 (1999): 165–73. http://dx.doi.org/10.1016/s0378-3812(99)00228-9.

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13

Lin, Chia-Chieh, Wei-Yu Chen, Hiroyuki Matsui, and Niann-Shiah Wang. "Direct measurement of site-specific rates of reactions of H with C3H8, i-C4H10, and n-C4H10." Journal of Chemical Physics 147, no. 6 (2017): 064304. http://dx.doi.org/10.1063/1.4997739.

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14

Lopes, A. R., M. H. F. Bettega, M. A. P. Lima, and L. G. Ferreira. "Electron collisions with isomers of C4H8and C4H10." Journal of Physics B: Atomic, Molecular and Optical Physics 37, no. 5 (2004): 997–1012. http://dx.doi.org/10.1088/0953-4075/37/5/004.

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15

Tsuchiya, Kentaro, Koichi Yamashita, Akira Miyoshi, and Hiroyuki Matsui. "Studies on the Reactions of Atomic Sulfur (3P) with H2, D2, CH4, C2H6, C3H8,n-C4H10, andi-C4H10." Journal of Physical Chemistry 100, no. 43 (1996): 17202–6. http://dx.doi.org/10.1021/jp961252i.

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16

Yu, Ang-yang, and Hong-xing Zhang. "Computational study on the radical reaction C4H+C4H10." Computational and Theoretical Chemistry 1019 (September 2013): 101–7. http://dx.doi.org/10.1016/j.comptc.2013.07.007.

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17

Moreno Carvajal, Claudia Milena, and Carlos Urrego Rodríguez. "Prefactibilidad de obtención de isobutano y propano mediante gases de extracción petrolífera en Colombia." Questionar: Investigación Específica 7, no. 1 (2020): 87–101. http://dx.doi.org/10.29097/23461098.310.

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El isobutano y propano, obtenidos con gas natural y gas extraído del petróleo (GLP), pueden reemplazar refrigerantes sintéticos para reducir las emisiones de gases que agotan la capa de ozono y generan calentamiento global; por tal motivo se realizó una simulación en Aspen HYSYS para corroborar que es posible conseguir isobutano y propano al 99,5 % en pureza. Las características del gas natural y del GLP se analizaron con cromatografías de gases proporcionadas por las empresas Gas Natural Fenosa y Almagas, tomando el menor promedio de los datos de isobutano y propano para determinar la pureza

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18

Malakhov, Alexander O., Stepan E. Sokolov, Evgenia A. Grushevenko, and Vladimir V. Volkov. "Temperature Dependence of Light Hydrocarbons Sorption and Transport in Dense Membranes Based on Tetradecyl Substituted Silicone Rubber." Membranes 13, no. 2 (2023): 124. http://dx.doi.org/10.3390/membranes13020124.

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Solubility-selective polymer membranes are promising materials for C3+ hydrocarbons removal from methane and other permanent gas streams. To this end, a dense solubility-selective membrane based on crosslinked poly(tetradecyl methyl siloxane) was synthesized. Sorption of methane, ethane, and n-butane in the polymer was measured in the temperature range of 5–35 °C. An abnormal temperature dependence of sorption was detected, contradicting the generally accepted view of sorption as an exothermic process. In particular, methane shows minimal sorption at 5 °C. The abnormal temperature behavior was

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19

Mok, Y. S., E. Jwa, and Y. J. Hyun. "Regeneration of C4H10 dry reforming catalyst by nonthermal plasma." Journal of Energy Chemistry 22, no. 3 (2013): 394–402. http://dx.doi.org/10.1016/s2095-4956(13)60051-0.

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20

Min, Bong-Ki, and Soon-Don Choi. "C4H10 sensing characteristics of ion beam sputtered SnO2 sensors." Sensors and Actuators B: Chemical 108, no. 1-2 (2005): 125–29. http://dx.doi.org/10.1016/j.snb.2004.12.080.

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21

Bettega, M. H. F., M. A. P. Lima, and L. G. Ferreira. "Scattering of low-energy electrons by isomers of C4H10." Journal of Physics B: Atomic, Molecular and Optical Physics 40, no. 15 (2007): 3015–23. http://dx.doi.org/10.1088/0953-4075/40/15/003.

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22

Tang, Xiaojun, Yuntao Liang, Haozhe Dong, Yong Sun, and Haizhu Luo. "Analysis of Index Gases of Coal Spontaneous Combustion Using Fourier Transform Infrared Spectrometer." Journal of Spectroscopy 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/414391.

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Analysis of the index gases of coal for the prevention of spontaneous combustion is of great importance for the enhancement of coal mine safety. In this work, Fourier Transform Infrared Spectrometer (FTIRS) is presented to be used to analyze the index gases of coal in real time to monitor spontaneous combustion conditions. Both the instrument parameters and the analysis method are introduced at first by combining characteristics of the absorption spectra of the target analyte with the analysis requirements. Next, more than ten sets of the gas mixture containing ten components (CH4, C2H6, C3H8,

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23

Liang, Yuntao, Xiaojun Tang, Xuliang Zhang, Fuchao Tian, Yong Sun, and Haozhe Dong. "Portable Gas Analyzer Based on Fourier Transform Infrared Spectrometer for Patrolling and Examining Gas Exhaust." Journal of Spectroscopy 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/136516.

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Aimed at monitoring emission of organic gases such as CH4, C2H6, C3H8, iso-C4H10, n-C4H10, C2H4, C3H6, C2H2, CO, and CO2, from coal mines, petroleum refineries, and other plants, a Fourier Transform Infrared (FT-IR) spectrometer was used to develop a portable gas analyzer for patrolling and examining gas exhaust. Firstly, structure of the instrument was introduced. Then, a spectral analysis approach was presented. Finally, instrument was tested with standard gases and with actual gases emitted from a petroleum refinery. For the latter test, a gas chromatograph (GC) was used as a reference inst

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24

Pawar, Ms Anjali T., Ms Gauri B. Burande, and Prof Sonali K. Godase. "GSM Based LPG Gas Leakage Detection & Alert." Aug-Sept 2023, no. 35 (July 13, 2023): 1–8. http://dx.doi.org/10.55529/jaimlnn.35.1.8.

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To develop an efficient gas leakage detection system for vulnerable premises. The system utilizes a gas sensor with high sensitivity to propane (C3H8) and butane (C4H10) gases and incorporates a GSM module for sending warning SMS messages. This paper aims to present the design approach for both the software and hardware components of the system to ensure timely detection and prevention of gas leakage accidents.

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25

Wu, Honghuan, Wuchuan Sun, Zuohua Huang, and Yingjia Zhang. "Biphasic sensitization effect of NO2 on n-C4H10 auto-ignition." Combustion and Flame 237 (March 2022): 111844. http://dx.doi.org/10.1016/j.combustflame.2021.111844.

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26

Souza, G. L. C., M. T. Lee, L. E. Machado, A. S. Santos, L. M. Brescansin, and R. R. Lucchese. "Absorption effects in intermediate energy electron scattering byn-butane (C4H10)." Journal of Physics: Conference Series 388, no. 5 (2012): 052026. http://dx.doi.org/10.1088/1742-6596/388/5/052026.

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27

Pimentel, N. P., C. E. Fellows, A. M. Borges, and C. A. Massone. "Preionization effects of iso-C4H10 in N2 TE UV lasers." Applied Physics B Photophysics and Laser Chemistry 55, no. 5 (1992): 433–36. http://dx.doi.org/10.1007/bf00325183.

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28

SATO, K., K. NAGAOKA, H. NISHIGUCHI, and Y. TAKITA. "n-C4H10 autothermal reforming over MgO-supported base metal catalysts." International Journal of Hydrogen Energy 34, no. 1 (2009): 333–42. http://dx.doi.org/10.1016/j.ijhydene.2008.10.014.

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29

Barkhordari, Ali, Seyed Iman Mirzaei, Amir Falahat, Dorota A. Krawczyk, and Antonio Rodero. "Experimental Study of a Rotating Electrode Plasma Reactor for Hydrogen Production from Liquid Petroleum Gas Conversion." Applied Sciences 12, no. 8 (2022): 4045. http://dx.doi.org/10.3390/app12084045.

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In this work, a new plasma reactor operating with a butane/propane (C4H10/C3H8) gaseous mixture, designed for hydrogen molecule production, was experimentally studied. This reactor is based on a rotating electrode, biased by an AC high voltage. The plasma discharge was investigated for different AC voltages, rotational frequencies, and gas flow rates. A discharge in the filamentary mode was produced as proved by the electrical characterization. Gas Chromatography (GC) was applied to study the LPG remediation. The maximum conversion factors of 70% and 60% were found for the C3H8 and C4H10, resp

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30

Tang, Xiaojun, Wenjing Wang, Xuliang Zhang, Erzhen Wang, and Xuanjiannan Li. "On-Line Analysis of Oil-Dissolved Gas in Power Transformers Using Fourier Transform Infrared Spectrometry." Energies 11, no. 11 (2018): 3192. http://dx.doi.org/10.3390/en11113192.

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To address the problem of on-line dissolved gas analysis (DGA) of a power transformer, a Fourier transform infrared (FT-IR) spectrometer was used to develop an analysis instrument. Carbon monoxide (CO), carbon dioxide (CO2), methane (CH4), ethane (C2H6), ethylene (C2H4) and acetylene (C2H2) were the analytes for the FT-IR spectrometer while propane (C3H8), propylene (C3H6), propyne (C3H4), n-butane (n-C4H10) and iso-butane (iso-C4H10) were the interferents, which might exist in the dissolved gas but are not currently used as analytes for detecting an internal fault. The instrument parameters a

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31

Li, Yong, Yong Sun, and Lian Cong Wang. "Quantitative Analysis and Study of Coal Mine Underground Environment Gases Based on the FTIR." Applied Mechanics and Materials 63-64 (June 2011): 878–81. http://dx.doi.org/10.4028/www.scientific.net/amm.63-64.878.

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Анотація:

Coal mine underground environment gases gas composition is very complicated, especially coal self-ignition different oxidation stage symbol of mine gas and release of period of reckoning produce of the coal mine enterprises poisonous and harmful gas production safety, caused great harm to the mine production period and needed after the reckoning mine air composition for monitoring. Existing gas chromatographic analysis is slow and not on-line analysis problem, sensor use short-lived, need often set-up insufficient, we put forward such a kind of brand-new based on the Fourier transform infrared

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32

Makrushin, V. P., A. A. Kossov, E. G. Litvinova, G. N. Bondarenko, and S. M. Matson. "Cross-linking of brominated poly(1-trimethylsilyl-1-propyne) using polyethylenimine as a cross-linking agent." Membrany i membrannye tehnologii 14, no. 2 (2024): 100–109. http://dx.doi.org/10.31857/s2218117224020049.

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Анотація:

In this work cross-linked polymer membranes were obtained by heat treatment of films prepared from a solution containing a mixture of brominated poly(1-trimethylsilyl-1-propyne) [PTMSP] and polyfunctional amine polyethylenimine [PEI] as a cross-linking agent. The cross-linked products were identified on the basis of IR spectra, elemental analysis data, and the stability of the reaction products to the solvent (CCl4) in which the original brominated PTMSP is soluble. According to the IR spectra, the crosslinking reaction occurs via the reactive C-Br bond in bromine-containing PTMSP with the par

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33

Foltin, M., V. Grill, T. Rauth, and T. D. Märk. "Isomer-induced metastable decay of (C4H10)n C4H+7 cluster ions." International Journal of Mass Spectrometry and Ion Processes 110, no. 3 (1991): R7—R13. http://dx.doi.org/10.1016/0168-1176(91)80032-i.

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34

Benson, Sidney W., Osamu Kondo, and Roger M. Marshall. "Absolute rate constants for the reaction of Br atoms withi-C4H10." International Journal of Chemical Kinetics 19, no. 9 (1987): 829–39. http://dx.doi.org/10.1002/kin.550190904.

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35

Tsuji, Tomoya, Shuichiro Tanaka, and Toshihiko Hiaki. "P-V-T-x relationship for CO2+C4H10 and CO2+iC4H10 binary gas mixtures and the partial molar volume of C4H10 and iC4H10 at 360.00 K." Journal of Supercritical Fluids 29, no. 3 (2004): 215–20. http://dx.doi.org/10.1016/s0896-8446(03)00072-x.

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36

Wierzba, I., S. O. Bade Shrestha, and G. A. Karim. "A Thermodynamic Analysis of the Lean Flammability Limits of Fuel-Diluent Mixtures in Air." Journal of Energy Resources Technology 116, no. 3 (1994): 181–85. http://dx.doi.org/10.1115/1.2906441.

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A procedure is described for calculating the lean flammability limits of fuel-diluent mixtures in air over a wide range of fuel-diluent combinations and for different initial mixture temperatures. Good agreement is shown to exist between the predicted values of the limits with the corresponding experimental values for some common gaseous fuels that include CH4, C2H6, C2H4, C3H8, C4H10, H2, and CO and the diluents CO2, N2, He, and Ar over the temperature range of −60°C up to 400°C.

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37

Scheidl, K. S., H. S. Effenberger, T. Yagi, K. Momma, and Ronald Miletich. "The hydrocarbon-bearing clathrasil chibaite and its host–guest structure at low temperature." IUCrJ 5, no. 5 (2018): 595–607. http://dx.doi.org/10.1107/s2052252518009107.

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The natural sII-type clathrasil chibaite [chemical formula SiO2·(M 12,M 16), where M x denotes a guest molecule] was investigated using single-crystal X-ray diffraction and Raman spectroscopy in the temperature range from 273 to 83 K. The O atoms of the structure at room temperature, which globally conforms to space group Fd{\overline 3}m [V = 7348.9 (17) Å3, a = 19.4420 (15) Å], have anomalous anisotropic displacement parameters indicating a static or dynamic disorder. With decreasing temperature, the crystal structure shows a continuous symmetry-lowering transformation accompanied by twinnin

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38

Ortiz, Ricardo, and Pablo Cedeño. "Sistema electrónico automatizado para la detección de niveles de concentración de gas Butano y Monóxido de carbono." Revista de Iniciación Científica 10, no. 2 (2024): 58–66. http://dx.doi.org/10.33412/rev-ric.v10.2.4014.

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Анотація:

En ambientes donde podría presentarse fuga de gases como el monóxido de carbono y butano, puede llegar a convertirse en un importante riesgo para cualquier humano. Por esta razón se considera necesario el estudio de la detección de estos gases para alertar posible riesgo de asfixias, explosiones e incendios. Se plantea como objetivo desarrollar un sistema electrónico de control automatizado para la detección de niveles peligrosos de concentración de gas butano (C4H10) y monóxido de carbono (CO), en ambientes propensos a la presencia de estos gases, que podría prevenir algún futuro accidente. E

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39

Hohm, Uwe, and Lydia Zarkova. "Extending the approach of the temperature-dependent potential to the small alkanes CH4, C2H6, C3H8, n-C4H10, i-C4H10, n-C5H12, C(CH3)4, and chlorine, Cl2." Chemical Physics 298, no. 1-3 (2004): 195–203. http://dx.doi.org/10.1016/j.chemphys.2003.11.026.

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40

Herman, Jan A., Rodica Neagu-Plesu, Urszula Krzemien, and Krzysztof Bederski. "Réactions ion–molécule de C2H3Cl+ avec le propane et le n-butane." Canadian Journal of Chemistry 67, no. 12 (1989): 2196–200. http://dx.doi.org/10.1139/v89-340.

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Ion–molecule reactions of C2H3Cl+ with propane or n-butane have been studied using a photoionization mass spectrometer over the pressure range 0.01–1 Torr. The principal reasons for disappearance of the C2H3Cl+ ion in propane and n-butane are the H−, H2− transfer processes and charge transfer in the case of n-C4H10. The ions CnH2n+1+ and CnH2n+ formed in these transfers react preferentially with neutral vinyl chloride in condensation reactions with elimination of HCl or Cl•. Keywords: ion–molecule reactions, mass spectrometry, vinyl chloride, propane, n-butane. [Journal translation]

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41

Maghari, Ali, and Saeed Pourasad. "Calculation of Viscosity Coefficient of Moderately Dense Fluids from the Modified SAFT-BACK Equation of State." Applied Mechanics and Materials 110-116 (October 2011): 874–79. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.874.

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The viscosity of some simple fluids in the wide density and temperature ranges have been calculated by the modified Enskog theory (MET) and with the help of Kaplun equations. The thermal pressure, second virial coefficient and internal energy are calculated from the modified SAFT-BACK EOS. The proposed scheme was further examined for the prediction of the viscosity of some dense fluids, including Ar, N2, O2, CO2, CH4, C2H6, C3H8 and C4H10. A comparison of the calculated and experimental values of the viscosity yields an overall average deviation of 2.16%.

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42

Matveev, D. N., E. A. Grushevenko, Yu I. Matveeva, V. P. Vasilevsky та I. L. Borisov. "Development of novel composite polydecylmethylsiloxane hollow fiber membranes on highly permeable polysulfone support for С<sub>2+</sub>/С<sub>1</sub> separation". Plasticheskie massy, № 9-10 (21 листопада 2023): 33–35. http://dx.doi.org/10.35164/0554-2901-2023-9-10-33-35.

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A novel composite hollow fiber membrane has been developed for the separation of C2+ hydrocarbons from their mixture with methane. A high-performance porous polysulfone hollow fiber support was fabricated. Polydecylmethylsiloxane (PDecMS) and polydimethylsiloxane (PDMS) were used as a thin selective layer. Comparison of the results of separation of binary mixture of CH4 and C4H10 using PDecMS/PSF and PDMS/PSF membranes showed that for the PDecMS/PSF module the specific retentate flux and n-butane concentration in the permeate are 1.7 times higher and energy consumption is 9 times lower.

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43

Praxmarer, C., A. Hansel, and W. Lindinger. "The reactions of the highly polar ion ArD3+ with C3H8 and C4H10." International Journal of Mass Spectrometry and Ion Processes 156, no. 3 (1996): 189–93. http://dx.doi.org/10.1016/s0168-1176(96)04421-7.

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44

Fittschen, C., B. Delcroix, N. Gomez, and P. Devolder. "Rate constants for the reactions ofCH3O with CH2O, CH3CHO and i-C4H10." Journal de Chimie Physique et de Physico-Chimie Biologique 95, no. 10 (1998): 2129–42. http://dx.doi.org/10.1051/jcp:1998359.

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45

Noll, Robert J., and James C. Weisshaar. "Bimolecular Reactions in Real Time: Ni+(2D5/2) + n-C4H10 Elimination Reactions." Journal of the American Chemical Society 116, no. 22 (1994): 10288–89. http://dx.doi.org/10.1021/ja00101a054.

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46

Hanton, Scott D., Robert J. Noll, and James C. Weisshaar. "Electronic‐state‐specific transition metal cation chemistry: Fe++C3H8 and n‐C4H10." Journal of Chemical Physics 96, no. 7 (1992): 5176–90. http://dx.doi.org/10.1063/1.462758.

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47

Baananto, Fauzan, Lilis Yulianti, and Nurkholis Hamidi. "Studi Numerik Pembakaran Butana (C4H10) dalam Meso Scale Combustor dengan Perforated Plate." Jurnal Rekayasa Mesin 9, no. 2 (2018): 69–74. http://dx.doi.org/10.21776/ub.jrm.2018.009.02.1.

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48

Tanichev, Aleksandr S., та Dmitry V. Petrov. "Broadening of the ν2 Raman Band of CH4 by C3H8 and C4H10". Molecules 28, № 8 (2023): 3365. http://dx.doi.org/10.3390/molecules28083365.

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Raman spectroscopy is a promising method for the analysis of natural gas. It is necessary to account for the broadening effects on spectral lines to improve measurement accuracy. In this study, the broadening coefficients for methane lines in the region of the ν2 band perturbed by propane, n-butane, and isobutane at room temperature were measured. We estimated the measurement errors of the concentration of oxygen and carbon dioxide in the case of neglecting the broadening effects on the methane spectrum by the pressure of C2–C6 alkanes. The obtained data are suited for the correct simulation o

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49

Grushevenko, Evgenia, Tatiana Rokhmanka, Stepan Sokolov, et al. "Influence of Type of Cross-Linking Agent on Structure and Transport Properties of Polydecylmethylsiloxane." Polymers 15, no. 22 (2023): 4436. http://dx.doi.org/10.3390/polym15224436.

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The development of membrane materials with high transport and separation properties for the removal of higher hydrocarbons from gas mixtures is an important and complex task. This work examines the effect of a cross-linking agent on the structure and transport properties of polydecylmethylsiloxane (C10), a material characterized by high selectivity towards C3+ hydrocarbons. C10 was cross-linked with various diene hydrocarbons, such as 1,7-octadiene (C10-OD), 1,9-decadiene (C10-DD), 1,11-dodecadiene (C10-DdD), and vinyl-terminated polysiloxanes, of different molecular weights: 500 g/mol (C10-Si

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50

Canbolat, Serhat. "Assessment of Asphaltene Production on Fracture Aperture During Heavy Oil Recovery." Celal Bayar Üniversitesi Fen Bilimleri Dergisi 17, no. 4 (2021): 337–45. https://doi.org/10.18466/cbayarfbe.857178.

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During reservoir engineering analysis, the assessment of the possibility of asphaltene precipitation and corresponding heavy oil recovery with economic losses is carried out before any thermal operation. Since, asphaltene precipitation reduces oil production, both by plugging the pipeline network and by decreasing the effective permeability in the reservoir. In this study, to analyze this phenomenon, three steam injection experiments; only-steam, steam-CO2, and steam-n-C4H10 at 1:1,29 volumetric ratios were carried out in limestone cores saturated with a 12,4 °API heavy crude oil. After each e

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