Search Results - "Bullón, Johnny"

n‑C7 Asphaltenes Characterization as Surfactants and Polar Oil from the HLDN Model Perspective by Alvarado, José G., Bullón, Johnny, Salazar-Rodríguez, Franklin, Delgado-Linares, José G.

“…There is no consensus regarding the role of asphaltenes at the oil–water interface. In trying to solve this uncertainty, this work shows for the first time the…”
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How to Attain Ultralow Interfacial Tension and Three-Phase Behavior with Surfactant Formulation for Enhanced Oil Recovery: A Review. Part 1. Optimum Formulation for Simple Surfactant–Oil–Water Ternary Systems by Salager, Jean-Louis, Forgiarini, Ana M., Bullón, Johnny

“…Enhanced recovery of crude oil by surfactant flooding requires the attainment of an ultralow interfacial tension. Since Winsor’s work in the 1950s it has been…”
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Breaking of Water-in-Crude Oil Emulsions. 6. Estimating the Demulsifier Performance at Optimum Formulation from Both the Required Dose and the Attained Instability by Delgado-Linares, José G, Pereira, Juan C, Rondón, Miguel, Bullón, Johnny, Salager, Jean-Louis

“…Hydrophilic surfactant molecules with the proper formulation are able to break W/O emulsions stabilized by asphaltenes and other lipophilic amphiphiles as…”
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How to Use the Normalized Hydrophilic-Lipophilic Deviation (HLDN) Concept for the Formulation of Equilibrated and Emulsified Surfactant-Oil-Water Systems for Cosmetics and Pharmaceutical Products by Salager, Jean-Louis, Antón, Raquel, Bullón, Johnny, Forgiarini, Ana, Marquez, Ronald

“…The effects of surfactant molecules involved in macro-, mini-, nano-, and microemulsions used in cosmetics and pharmaceuticals are related to their amphiphilic…”
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Micellar enhanced ultrafiltration of phenol with dodecylpyridinium chloride and sodium dodecylbenzene sulfonate by Ontiveros, Jesús F., Bullón, Johnny, Cárdenas, Antonio

“…Micellar enhanced ultrafiltration is a surfactant‐based separation process for wastewater treatment. The ultrafiltration of dodecyl pyridinium chloride (DPC)…”
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Review on Some Confusion Produced by the Bicontinuous Microemulsion Terminology and Its Domains Microcurvature: A Simple Spatiotemporal Model at Optimum Formulation of Surfactant-Oil-Water Systems by Salager, Jean-Louis, Marquez, Ronald, Rondón, Miguel, Bullón, Johnny, Graciaa, Alain

“…Fundamental studies have improved understanding of molecular-level properties and behavior in surfactant-oil-water (SOW) systems at equilibrium and under…”
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How to Attain an Ultralow Interfacial Tension and a Three-Phase Behavior with a Surfactant Formulation for Enhanced Oil Recovery: A Review. Part 2. Performance Improvement Trends from Winsor’s Premise to Currently Proposed Inter- and Intra-Molecular Mixtures by Salager, Jean-Louis, Forgiarini, Ana M., Márquez, Laura, Manchego, Lisbeth, Bullón, Johnny

“…The minimum interfacial tension occurrence along a formulation scan at the so-called optimum formulation is discussed to be related to the interfacial…”
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Breaking of Water-in-Crude Oil Emulsions. 7. Demulsifier Performance at Optimum Formulation for Various Extended Surfactant Structures by Delgado-Linares, José G, Alvarado, José G, Véjar, Francia, Bullón, Johnny, Forgiarini, Ana M, Salager, Jean-Louis

“…The performance of several extended surfactants as water-in-crude oil emulsion breakers was evaluated using two criteria: (1) the demulsifier dose required (C…”
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Interfacial Rheology Measured with a Spinning Drop Interfacial Rheometer: Particularities in More Realistic Surfactant–Oil–Water Systems Close to Optimum Formulation at HLDN = 0 by Marquez, Ronald, Meza, Luz, Alvarado, José G., Bullón, Johnny, Langevin, Dominique, Forgiarini, Ana M., Salager, Jean‐Louis

“…Three different cases were selected to study the effect of physicochemical formulation on interfacial rheology properties of surfactant–oil–water (SOW) systems…”
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Cation Exchange Capacity in Mirador and Misoa Formation and the Effect in Enhanced Oil Recovery by Mousalli, Victoria, Bullón, Johnny, Franklin, Franklin

“…In the Enhanced Oil Recovery (EOR) methods, particularly in surfactant flooding, many tests have been performed, many scientific papers have been written and…”
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Asphaltene precipitation from latin american heavy crude oils. Effects of solvent aromaticity and agitation on particle size reduction by Delgado-Linares, José, Cardenas, Antonio, Morillo, Nilo, Guevara, Mairis, Bullón, Johnny

“…Asphaltenes from three crudes were precipitated with a mixture of n-heptane and toluene, the size of the particles formed under different solvent mixtures and…”
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Synthesis, Characterization, Evaluation of Interfacial Properties and Antibacterial Activities of Dicarboxylate Anacardic Acid Derivatives from Cashew Nut Shell Liquid of Anacardium occidentale L by Koteich Khatib, Sonia, Bullón, Johnny, Vivas, Jesús, Bahsas, Ali, Rosales‐Oballos, Yolima, Marquez, Ronald, Forgiarini, Ana, Salager, Jean Louis

“…Anacardic acid, 2‐hydroxy‐6‐[(8Z,11Z‐pentadeca‐8,11,14‐trienyl]‐benzoic acid, extracted from cashew nut shell liquid (CNSL), has been structurally modified to…”
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Trends to Attain a Lower Interfacial Tension in a Revisited Pure Alkyl Polyethyleneglycol Surfactant–Alkane–Water Ternary System. Basic Concepts and Straightforward Guidelines for Improving Performance in Enhanced Oil Recovery Formulations by Salager, Jean-Louis, Manchego, Lisbeth, Márquez, Laura, Bullón, Johnny, Forgiarini, Ana

“…Surfactant–oil–water systems exhibit a low interfacial tension minimum when the interactions between the adsorbed surfactant with water exactly coincide with…”
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A Promising Cutaneous Leishmaniasis Treatment with a Nanoemulsion-Based Cream with a Generic Pentavalent Antimony (Ulamina) as the Active Ingredient by Bullón, Johnny, Márquez, Laura, Fernández, José Alejandro, Scorzza, César, Scorza, José Vicente, Rodríguez, Jimmy, Cordero, Atilio, Véjar, Francia, Koteich-Khatib, Sonia, Forgiarini, Ana

“…Leishmania parasites are the etiological agents of Leishmaniasis, a tropical disease that affects around 15 million people in about 90 countries. The chosen…”
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Behavior of asphaltene and asphaltene fractions films on a Langmuir-Blodgett trough and its relationship with proposed molecular structures by Mozes, Erika, Delgado-Linares, José G., Cárdenas, Antonio L., Salazar, Franklin, Pereira, Juan Carlos, Bullón, Johnny

“…Asphaltenes were precipitated from a Venezuelan Ayacucho crude oil and separated into two fractions (A1 and A2) by the p-nitrophenol method. The asphaltenes…”
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Synthesis and Physicochemical Characterization of Anionic Surfactants Derived from Cashew Nut Shell Oil by Scorzza, Cesar, Nieves, Jesús, Vejar, Francia, Bullón, Johnny

“…Carboxylate derivatives of cardanol and anacardic acids, which are the main phenolic components of cashew nut shell oil were prepared and tested as anionic…”
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Black liquor lignin biodegradation by Trametes elegans by Lara, Mayra A., Rodrı́guez-Malaver, Antonio J., Rojas, Orlando J., Holmquist, Otón, González, Aura M., Bullón, Johnny, Peñaloza, Nancy, Araujo, Elisa

“…The white rot fungus Trametes elegans was used for direct treatment of spent black liquor from pulping processes with the aim to degrade solubilized lignin…”
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The Oscillatory Spinning Drop Technique. An Innovative Method to Measure Dilational Interfacial Rheological Properties of Brine-Crude Oil Systems in the Presence of Asphaltenes by Marquez, Ronald, Bullon, Johnny, Forgiarini, Ana, Salager, Jean-Louis

“…The oscillatory spinning drop method has been proven recently to be an accurate technique to measure dilational interfacial rheological properties. It is the…”
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Formulation in Surfactant Systems: From-Winsor-to-HLDN by Salager, Jean-Louis, Marquez, Ronald, Bullon, Johnny, Forgiarini, Ana

“…Formulation is an ancient concept, although the word has been used only recently. The first formulations made our civilization advance by inventing bronze,…”
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n -C 7 Asphaltenes Characterization as Surfactants and Polar Oil from the HLD N Model Perspective by Alvarado, José G., Bullón, Johnny, Salazar-Rodríguez, Franklin, Delgado-Linares, José G.

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