標(biāo)題: Titlebook: Asphaltene Particles in Fossil Fuel Exploration, Recovery, Refining, and Production Processes; Mahendra K. Sharma,Teh Fu Yen Book 1994 Spr [打印本頁(yè)] 作者: Maudlin 時(shí)間: 2025-3-21 16:40
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書目名稱Asphaltene Particles in Fossil Fuel Exploration, Recovery, Refining, and Production Processes被引頻次
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書目名稱Asphaltene Particles in Fossil Fuel Exploration, Recovery, Refining, and Production Processes讀者反饋
書目名稱Asphaltene Particles in Fossil Fuel Exploration, Recovery, Refining, and Production Processes讀者反饋學(xué)科排名
作者: jagged 時(shí)間: 2025-3-21 21:58 作者: 你敢命令 時(shí)間: 2025-3-22 03:56 作者: libertine 時(shí)間: 2025-3-22 07:09
Asphaltene Conversion During Coal-Bitumen Co-Processing,) was co-processed with a sub-bituminous coal (1.14% asphaltene) in a batch autoclave under hydrogen pressure at reaction temperatures varying from 400 to 440°C. Both thermal and catalytic co-processing experiments were conducted. The catalysts used were molten halide type and included ZnCl., MoCl.,作者: ALIEN 時(shí)間: 2025-3-22 09:37
Classification Of Asphalt Types By Asphaltene Aromaticity, separated into three types. This means that the component has to be separated from the parent asphalt first before the correlation. Result from this agrees with the traditional penetration index classification. In this paper, correlation between asphaltene aromaticity and temperature for different 作者: 成份 時(shí)間: 2025-3-22 15:38
Sluge Formation During Heavy Oil Conversion, useful products. Large amounts of sludge form at high conversions in these refinery processes, and it fouls downstream units. It is generally believed that sludge forms because the asphaltenes flocculate during processing. The exact mechanism is not known, however. The asphaltenes may become less s作者: graphy 時(shí)間: 2025-3-22 20:57
Chemical Aspects Of Environmentally Processed Asphalt,lt composition have been discussed. These investigations indicate that the asphalted contaminated soil exhibits high stability and adequate performance as an end product. Asphalt with high contents of pyridinic, phenolic and ketone groups exhibits best chemical stability and performance. It is recom作者: Grasping 時(shí)間: 2025-3-23 00:47
Surface Activity And Dynamics Of Asphaltenes,nts. Nitrobenzene and pyridine were found to be good candidates for this study. The results indicate that asphaltene molecules are surface active and thermodynamically reversible during the micellization and dissociation processes, similar to surfactant solutions. Due to the structural complexity, t作者: 輕彈 時(shí)間: 2025-3-23 02:19
Role Of Asphaltenes In Recovering Heavy Oil Through Micro-Bubble Generation,ental results in order to verify previous hypothesis on fluid flow in heavy oil reservoirs in Canada. It has been postulated that solution-gas drive in these reservoirs involves simultaneous flow of gas and oil. However, gas remains in tiny droplets under reservoir conditions. A new mathematical mod作者: 重畫只能放棄 時(shí)間: 2025-3-23 09:27 作者: Brochure 時(shí)間: 2025-3-23 12:05
Structure And Interaction Of Asphaltene Colloids In Organic Solvents,ine mixtures. In the dilute concentrations regime, the data were analyzed using a self-consistent algorithm, neglecting the interparticle interactions. The results suggest that the asphaltene colloids are approximately spherical, but with an appreciable size polydispersity. For the moderate to high 作者: committed 時(shí)間: 2025-3-23 14:04
Diffusion And Structural Studies Of Asphaltenes And Their Implications For Resid Upgrading,r understanding of the phenomena such as asphaltene structure, colloidal nature and mechanism of asphaltene diffusion through porous systems is desirable. The diffusive behavior showed that asphaltenes are polydisperse entities consisting of many components with a broad range of transport coefficien作者: Intuitive 時(shí)間: 2025-3-23 22:04
The Study Of Molecular Attractions In The Asphalt System By Solubility Parameter,ecular forces can be estimated by the solubility parameter. Both one-component and three-component solubility parameters are used to study the molecular attraction within the asphalt system. In one-component solubility parameter study, three colloidal types of asphalts and corresponding asphaltenes 作者: Offset 時(shí)間: 2025-3-24 00:58
Solvation of Ratawi Asphaltenes in Vacuum Residue,(heptane insolubles) are polydispersed spheres solvated by the nonasphaltene fluid at 93 °C. The Pal-Rhodes equation attributes the non-linear dependence of the relative viscosity on asphaltene concentration to solvation and polydispersity effects. In other words the direct interactions between the 作者: 兇殘 時(shí)間: 2025-3-24 05:33 作者: 微粒 時(shí)間: 2025-3-24 09:48 作者: Urea508 時(shí)間: 2025-3-24 12:37 作者: Watemelon 時(shí)間: 2025-3-24 17:43 作者: GLOOM 時(shí)間: 2025-3-24 21:46 作者: Ceremony 時(shí)間: 2025-3-24 23:47
Phase Space Methods for Quantum Dynamics,o asphaltenes. While all the catalysts tested had catalytic effects on asphaltene conversion, MoCl. was found to provide the highest conversion of asphaltenes due to its ability to hydrogenate the radicals formed due to asphaltene cracking.作者: committed 時(shí)間: 2025-3-25 03:37 作者: commonsense 時(shí)間: 2025-3-25 11:08
,Asphaltene — Viscosity Relationship Of Processed And Unprocessed Bitumen,hange when subjected to the high severity conditions of upgrading reactors, the use of processed sample was expected to provide some additional information on the asphaltene content-viscosity relationship. It was found that asphaltenes with higher molecular weight resulted in higher viscosity of the mixture than those with lower molecular weights.作者: 引導(dǎo) 時(shí)間: 2025-3-25 12:27
Field-Scale Numerical Simulation Of Bitumen Mobilization With Solvent Slugs,altene is particularly important for relatively higher bottom-water permeabilities. A series of numerical simulation runs was conducted to study the effect of a wide range of parameters, such as, the bitumen-to-water zone permeability ratio, type of solvent, the bitumen-to-water zone thickness ratio, flow rate, and others.作者: cognizant 時(shí)間: 2025-3-25 18:40 作者: 入會(huì) 時(shí)間: 2025-3-25 23:36
The Study Of Molecular Attractions In The Asphalt System By Solubility Parameter,asphalt are similar. In three-component solubility parameter spectra, the distribution of molecular attractions attributing from three categories, dispersion, hydrogen bonding, and polar interactions, are studied. In observing the spectra, dispersion forces dominated in the system is demonstrated to override either polarity or hydrogen bonding.作者: 無(wú)畏 時(shí)間: 2025-3-26 03:56 作者: PAC 時(shí)間: 2025-3-26 04:38
Symposium on Asphaltene Particles in Fossil Fuel Exploration, Recovery, Refining and Production Processes sponsored by the Fine particle Society (FPS). This meeting was held il1 Las vegas, Nevada, July 13 -17, 1992. The symposium upon which this volume is based was organized in four sessions emphasi作者: MOT 時(shí)間: 2025-3-26 11:26
Phase Space Methods for Quantum Dynamics,agrees with the traditional penetration index classification. In this paper, correlation between asphaltene aromaticity and temperature for different sources of asphalts or petroleum has been discussed.作者: 兒童 時(shí)間: 2025-3-26 14:58 作者: 懶洋洋 時(shí)間: 2025-3-26 18:23 作者: Subdue 時(shí)間: 2025-3-26 21:08 作者: offense 時(shí)間: 2025-3-27 04:52
Structure And Interaction Of Asphaltene Colloids In Organic Solvents,. The results suggest that the asphaltene colloids are approximately spherical, but with an appreciable size polydispersity. For the moderate to high concentration range, the Derjaguin-Landau-Verway-Overbeek (DLVO) potential was used to describe the interparticle interactions, and found to be adequate.作者: anagen 時(shí)間: 2025-3-27 08:45 作者: Myocarditis 時(shí)間: 2025-3-27 11:27 作者: 淺灘 時(shí)間: 2025-3-27 17:06 作者: 是突襲 時(shí)間: 2025-3-27 21:47
Conference proceedings 19841st editionts. Results demonstrated that the activation energies are typical of association/dissociation energies for individual asphaltene sheets rather than diffusion activation energies. A Schultz type distribution of the asphaltene molecular weight and a scaling relationship between diffusivity and molecular weight were observed.作者: Permanent 時(shí)間: 2025-3-28 01:21
Diffusions with Gaussian Drifts Fourier transform infrared spectrometer (FTIR) for special identification of asphalt. This method can be applied in practice for separation of chemical substances especially in medicine and biology, lipid chemistry and the characterization of crude oil.作者: 使?jié)M足 時(shí)間: 2025-3-28 05:26
Chemical Aspects Of Environmentally Processed Asphalt,mended that the use of monovalent salts and high ionic strength solutions in asphalt cements is avoided because the decrease in chemical stability of the asphalt cement due to disruption of the functional group-aggregate bonds resulting increase in overall permeability.作者: 吊胃口 時(shí)間: 2025-3-28 09:54
Surface Activity And Dynamics Of Asphaltenes,he micellization and dissociation kinetics are considerably slower than surfactant systems. This study provides solid evidence that asphaltenes are surfactant-like molecules, unlike the previously hypothesized concept that maltenes are the only surfactant-like component in petroleum.作者: 武器 時(shí)間: 2025-3-28 11:20 作者: 反復(fù)無(wú)常 時(shí)間: 2025-3-28 18:05
Fractionation Of Asphalt By Thin-Layer Chromatography Interfaced With Flame Ionization Detector (TL Fourier transform infrared spectrometer (FTIR) for special identification of asphalt. This method can be applied in practice for separation of chemical substances especially in medicine and biology, lipid chemistry and the characterization of crude oil.作者: 奴才 時(shí)間: 2025-3-28 21:05
Upgrading From Petroleum And Coal-Derived Asphaltenes,作者: ALE 時(shí)間: 2025-3-28 23:51 作者: APNEA 時(shí)間: 2025-3-29 04:46
Asphaltene Particles in Fossil Fuel Exploration, Recovery, Refining, and Production Processes978-1-4615-2456-4作者: 完成才能戰(zhàn)勝 時(shí)間: 2025-3-29 08:44
Book 1994in four broad categories: (1) Bitumen and Coal-Derived Asphaltenes, (2) Asphalt and Asphaltene conversion, (3) Surface and Colloidal Aspects of Asphaltenes, and (4) Thermodynamic and Molecular Aspects of Asphaltenes.作者: TIGER 時(shí)間: 2025-3-29 15:18 作者: RENAL 時(shí)間: 2025-3-29 15:49
Columnar Phases of Liquid Crystals,d in the preferential formation of asphaltenes at an early stage of ageing process. For temperatures below approximately 90°C, it has been observed that the laboratory simulations data are closely related to the changes observed in road conditions.作者: 值得贊賞 時(shí)間: 2025-3-29 22:19 作者: 蕁麻 時(shí)間: 2025-3-30 03:35 作者: HEED 時(shí)間: 2025-3-30 07:12
https://doi.org/10.1007/978-3-642-46508-6 may be due to the increase of surface charges and double layer expansion. In the autoclave experiments, the suggested surfactant not only raises the yield of coal liquefaction but also changes the distribution of products. Under the same condition, almost twice the yield was obtained for both coal 作者: Forehead-Lift 時(shí)間: 2025-3-30 08:49
On the replica symmetric Ising spin glasses,rticles are small at 93 °C. The amount of solvation can be modified by adding other substances. Increasing the resin concentration (pentane insolubles/heptane solubles), or adding small amounts of butylamine increases the amount of solvation and viscosity. On the other hand heavy cycle gas oil(HCGO)作者: Mettle 時(shí)間: 2025-3-30 15:23 作者: Forsake 時(shí)間: 2025-3-30 17:19
Natural and Accelerated Ageing Of Bitumens: Effects Of Asphaltene,d in the preferential formation of asphaltenes at an early stage of ageing process. For temperatures below approximately 90°C, it has been observed that the laboratory simulations data are closely related to the changes observed in road conditions.作者: 鋪?zhàn)?nbsp; 時(shí)間: 2025-3-30 22:06
Sluge Formation During Heavy Oil Conversion,om several crude sources based on the elemental composition, and parameters determined by C13 NMR and proton NMR. The amount of sludge formed in laboratory tests can be correlated to three feed-stock parameters: the amount of polynuclear aromaticity in the asphaltenes, the degree of alkyl-subsitutio作者: concise 時(shí)間: 2025-3-31 03:52 作者: acrophobia 時(shí)間: 2025-3-31 08:13
The Effect Of Surfactants To The Conversion Of Coal And Coal-Derived Asphaltenes In Coal Liquefacti may be due to the increase of surface charges and double layer expansion. In the autoclave experiments, the suggested surfactant not only raises the yield of coal liquefaction but also changes the distribution of products. Under the same condition, almost twice the yield was obtained for both coal 作者: 外觀 時(shí)間: 2025-3-31 10:14
Solvation of Ratawi Asphaltenes in Vacuum Residue,rticles are small at 93 °C. The amount of solvation can be modified by adding other substances. Increasing the resin concentration (pentane insolubles/heptane solubles), or adding small amounts of butylamine increases the amount of solvation and viscosity. On the other hand heavy cycle gas oil(HCGO)作者: SLAG 時(shí)間: 2025-3-31 14:11
An Improved Molecular Thermodynamic Model Of Asphaltene Equilibria,s pressures, temperatures and solvent-oil compositions. The model is coupled with Peng-Robinson equation of state for vapor-liquid equilibria calculations. The model uses an iterative Newton-Raphson scheme to obtain solution. The model has four parameters which are determined by fitting the model to
