Search Results - "Tchoukov, Plamen"

Capillary driven flow in nanochannels – Application to heavy oil rheology studies by Mozaffari, Saeed, Tchoukov, Plamen, Mozaffari, Ali, Atias, Jesus, Czarnecki, Jan, Nazemifard, Neda

“…[Display omitted] •Capillary driven flow is a promising method to probe liquids’ rheology in nanofluidic systems.•Continuous change in the advancing contact…”
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Demulsification Mechanism of Asphaltene-Stabilized Water-in-Oil Emulsions by a Polymeric Ethylene Oxide–Propylene Oxide Demulsifier by Pensini, Erica, Harbottle, David, Yang, Fan, Tchoukov, Plamen, Li, Zifu, Kailey, Ishpinder, Behles, Jacqueline, Masliyah, Jacob, Xu, Zhenghe

“…The demulsification mechanism of asphaltene-stabilized water-in-toluene emulsions by an ethylene-oxide–propylene oxide (EO–PO) based polymeric demulsifier was…”
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Asphaltene Subfractions Responsible for Stabilizing Water-in-Crude Oil Emulsions. Part 2: Molecular Representations and Molecular Dynamics Simulations by Yang, Fan, Tchoukov, Plamen, Dettman, Heather, Teklebrhan, Robel B, Liu, Lan, Dabros, Tadeusz, Czarnecki, Jan, Masliyah, Jacob, Xu, Zhenghe

“…After successful isolation of the most interfacially active subfraction of asphaltenes (IAAs) reported in the first part of this series of publications,…”
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Probing Boundary Conditions at Hydrophobic Solid–Water Interfaces by Dynamic Film Drainage Measurement by Zhang, Xurui, Manica, Rogerio, Tang, Yuechao, Tchoukov, Plamen, Liu, Qingxia, Xu, Zhenghe

“…A newly developed dynamic force apparatus was used to determine hydrodynamic boundary conditions of a liquid on a hydrophobic silica surface. For a given…”
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Interaction between Air Bubbles and Superhydrophobic Surfaces in Aqueous Solutions by Shi, Chen, Cui, Xin, Zhang, Xurui, Tchoukov, Plamen, Liu, Qingxia, Encinas, Noemi, Paven, Maxime, Geyer, Florian, Vollmer, Doris, Xu, Zhenghe, Butt, Hans-Jürgen, Zeng, Hongbo

“…Superhydrophobic surfaces are usually characterized by a high apparent contact angle of water drops in air. Here we analyze the inverse situation: Rather than…”
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Interfacial Layer Properties of a Polyaromatic Compound and its Role in Stabilizing Water-in-Oil Emulsions by Bi, Jiebin, Yang, Fan, Harbottle, David, Pensini, Erica, Tchoukov, Plamen, Simon, Sébastien, Sjöblom, Johan, Dabros, Tadek, Czarnecki, Jan, Liu, Qingxia, Xu, Zhenghe

“…Physical properties of interfacial layers formed at the xylene–water interface by the adsorption of a polyaromatic organic compound,…”
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Impact of Adsorption Layer Properties on Drainage Behavior of Microscopic Foam Films: The Case of Cationic/Nonionic Surfactant Mixtures by Arabadzhieva, Dimi, Tchoukov, Plamen, Mileva, Elena

“…Aqueous mixtures of cationic hexadecyltrimethylammonium chloride (CTAC) and nonionic pentaethyleneglycol monododecyl ether (C12E5) are investigated. Adsorption…”
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Electrohydrodynamic Instabilities in Free Emulsion Films by Mostowfi, Farshid, Tchoukov, Plamen, Panchev, Nikolay, Dabros, Tadeusz, Czarnecki, Jan

“…Electrohydrodynamic instabilities were induced in thin water-in-oil emulsion films by application of external DC electric field. The dominant wavelengths of…”
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Lab-on-a-Chip Systems in Asphaltene Characterization: A Review of Recent Advances by Mozaffari, Saeed, Ghasemi, Homa, Tchoukov, Plamen, Czarnecki, Jan, Nazemifard, Neda

“…Microfluidics-based lab-on-a-chip systems have shown great promise for characterization of heavy oil and its fractions. Asphaltenes, comprising the heaviest…”
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Possible Role of Asphaltenes in the Stabilization of Water-in-Crude Oil Emulsions by Czarnecki, Jan, Tchoukov, Plamen, Dabros, Tadeusz

“…Asphaltene hierarchical aggregation contributes to water-in-oil (W/O) emulsion stability by forming a network structure within thin oil film, separating…”
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Asphaltene Subfractions Responsible for Stabilizing Water-in-Crude Oil Emulsions. Part 3. Effect of Solvent Aromaticity by Qiao, Peiqi, Harbottle, David, Tchoukov, Plamen, Wang, Xi, Xu, Zhenghe

“…Whole asphaltenes (WA) were fractionated by the E-SARA method according to their adsorption characteristics at oil–water interfaces from either toluene or…”
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Fractionation of Asphaltenes in Understanding Their Role in Petroleum Emulsion Stability and Fouling by Qiao, Peiqi, Harbottle, David, Tchoukov, Plamen, Masliyah, Jacob, Sjoblom, Johan, Liu, Qingxia, Xu, Zhenghe

“…SARA fractionation separates crude oil into fractions of saturates (S), aromatics (A), resins (R), and asphaltenes (A) based on the differences in their…”
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Effect of Approach Velocity on Thin Liquid Film Drainage between an Air Bubble and a Flat Solid Surface by Zhang, Xurui, Manica, Rogerio, Tchoukov, Plamen, Liu, Qingxia, Xu, Zhenghe

“…The dynamic drainage process of the liquid film trapped between an air bubble and a flat silica surface over a wide range of hydrodynamic conditions is studied…”
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Role of Asphaltenes in Stabilizing Thin Liquid Emulsion Films by Tchoukov, Plamen, Yang, Fan, Xu, Zhenghe, Dabros, Tadeusz, Czarnecki, Jan, Sjöblom, Johan

“…Drainage kinetics, thickness, and stability of water-in-oil thin liquid emulsion films obtained from asphaltenes, heavy oil (bitumen), and deasphalted heavy…”
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Coalescence inhibition and agglomeration initiation near the critical dilution of asphaltene precipitation by Hristova, Evgeniya (Jenny), Tchoukov, Plamen, Stoyanov, Stanislav R.

“…In bitumen recovery from oil sands, solvent addition is used to destabilize the water-in-diluted bitumen emulsions and separate the valuable oil product from…”
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Effect of humic acids on bitumen films at the oil-water interface and on emulsion stability: Potential implications for groundwater remediation by Pensini, Erica, Tchoukov, Plamen, Yang, Fan, Xu, Zhenghe

“…[Display omitted] This study investigates the effect of humic acids (HA) on the stability of toluene/water emulsions in the presence of bitumen. Bottle tests…”
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Asphaltene Subfractions Responsible for Stabilizing Water-in-Crude Oil Emulsions. Part 1: Interfacial Behaviors by Yang, Fan, Tchoukov, Plamen, Pensini, Erica, Dabros, Tadeusz, Czarnecki, Jan, Masliyah, Jacob, Xu, Zhenghe

“…The asphaltene fraction of crude oil is commonly considered to be responsible for the formation of highly undesirable, stable water-in-crude oil emulsions and…”
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Studying demulsification mechanisms of water-in-crude oil emulsions using a modified thin liquid film technique by Yang, Fan, Tchoukov, Plamen, Qiao, Peiqi, Ma, Xinrui, Pensini, Erica, Dabros, Tadeusz, Czarnecki, Jan, Xu, Zhenghe

“…[Display omitted] The thin liquid film (TLF) technique equipped with Scheludko-Exerowa cell has been demonstrated to be a valuable tool for studying stability…”
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Asphaltene Precipitation Onsets in Relation to the Critical Dilution of Athabasca Bitumen in Paraffinic Solvents by Hristova, Evgeniya, Tchoukov, Plamen, Stoyanov, Stanislav R, McFarlane, Richard

“…Current water separation processes associated with oil sands recovery are specifically designed to operate either below or above the critical dilution of…”
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Herding Oil Slicks with Fatty Alcohol and Carbonaceous Particles by Earnden, Laura, Foster, Sierra Eckel, Tchoukov, Plamen, Stoyanov, Stanislav R., Pensini, Erica

“…Oil slicks occurring during petroleum transportation or production are major sources of surface water pollution, and spread over large areas. Herders are…”
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