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1

Bitumen-in-Water Emulsions Stabilized with Natural Surfactants

Socrates Acevedo, Xiomara Gutierrez, Hercilio Rivas

Journal:

Journal of Colloid and Interface Science

Year:

2001

Language:

english

File:

PDF, 280 KB

english, 2001

2

Upgrading of Orinoco Belt crude oil and its fractions by an electrochemical system in the presence of protonating agents

Cesar Ovalles, Iraima Rojas, Socrates Acevedo, Gaston Escobar, Gilberto Jorge, Luis B. Gutierrez, Alfredo Rincon, Benjamin Scharifker

Journal:

Fuel Processing Technology

Year:

1996

Language:

english

File:

PDF, 907 KB

english, 1996

3

Discotic shape of asphaltenes obtained from g.p.c. data

Sócrates Acevedo, Gastón Escobar, María Antonieta Ranaudo, Luís B. Gutiérrez

Journal:

Year:

1994

Language:

english

File:

PDF, 317 KB

english, 1994

4

A dielectric relaxation study of precipitation and curing of Furrial crude oil

Eric Y. Sheu, Sócrates Acevedo

Journal:

Year:

2006

Language:

english

File:

PDF, 207 KB

english, 2006

5

Asphaltenes and Other Natural Surfactants from Cerro Negro Crude Oil. Stepwise Adsorption at the Water/Toluene Interface: Film Formation and Hydrophobic Effects

Acevedo, Sócrates, Borges, Belsay, Quintero, Felipe, Piscitelly, Vincent, Gutierrez, Luis B.

Journal:

Year:

2005

Language:

english

File:

PDF, 98 KB

english, 2005

6

Transmission of polar effects. Part 15. Ionisation and esterification with diazodiphenylmethane of [2.2]paracyclophane-4-carboxylic acid and its pseudo-bromo-substituted derivatives, and the alkaline hydrolysis of their methyl esters

Acevedo, Socrates, Bowden, Keith

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1986

Language:

english

File:

PDF, 436 KB

english, 1986

7

Structural Analysis of Soluble and Insoluble Fractions of Asphaltenes Isolated Using the PNP Method. Relation between Asphaltene Structure and Solubility

Acevedo, Sócrates, Escobar, Optalí, Echevarria, Lorenzo, Gutiérrez, Luis B., Méndez, Bernardo

Journal:

Year:

2004

Language:

english

File:

PDF, 129 KB

english, 2004

8

A Spin Polarization Transfer Approach to Intermolecular Interactions between Hydrocarbon Aromatic Compounds and Free Radicals

Lozsán, Aileen, Nieto, Pedro, Acevedo, Sócrates, Mujica, Vladimiro

Journal:

Journal of Physical Chemistry A

Year:

2002

Language:

english

File:

PDF, 265 KB

english, 2002

9

NEW TECHNIQUES AND METHODS FOR THE STUDY OF AGGREGATION, ADSORPTION, AND SOLUBILITY OF ASPHALTENES. IMPACT OF THESE PROPERTIES ON COLLOIDAL STRUCTURE AND FLOCCULATION

Castillo, Jimmy, Fernández, Alberto, Ranaudo, María A., Acevedo, Sócrates

Journal:

Petroleum Science and Technology

Year:

2001

Language:

english

File:

PDF, 425 KB

english, 2001

10

Effect of Pressure and Temperature on Colloidal Structure of Furrial Crude Oil

Sheu, Eric Y., Acevedo, Socrates

Journal:

Year:

2001

Language:

english

File:

PDF, 72 KB

english, 2001

11

Thermo-Oxidative Decomposition Behaviors of Different Sources of n -C 7 Asphaltenes at High-Pressure Conditions

Medina, Oscar Enrique, Gallego, Jaime, Nassar, Nashaat N., Acevedo, Socrates Alejandro, CortÃ©s, Farid B., Franco, Camilo A.

Journal:

Year:

2020

File:

PDF, 2.24 MB

2020

12

Synthesis and isolation of octylated asphaltene standards for calibration of g.p.c. columns and determination of asphaltene molecular weights

Sócrates Acevedo, Gastón Escobar, Luis B. Gutiérrez, José D'Aquino

Journal:

Year:

1992

Language:

english

File:

PDF, 345 KB

english, 1992

13

Dynamic interfacial tension measurement of heavy crude oil–alkaline systems: The role of the counterion in the aqueous phase

Sócrates Acevedo, Marı́a A. Ranaudo, Gastón Escobar, Xiomara Gutiérrez

Journal:

Year:

1999

Language:

english

File:

PDF, 252 KB

english, 1999

14

Precipitation of Asphaltenes and Resins at the Toluene–Silica Interface: An Example of Precipitation Promoted by Local Electrical Fields Present at the Silica–Toluene Interface

Acevedo, Sócrates, Castillo, Jimmy, Del Carpio, Edgar Hernán

Journal:

Year:

2014

Language:

english

File:

PDF, 634 KB

english, 2014

15

Effects of Resin I on Asphaltene Adsorption onto Nanoparticles: A novel method for obtaining Asphaltenes/Resins Isotherms

Ariza, Camilo Andrés Franco, Lozano, Monica M., Acevedo, Socrates Alejandro, Nassar, Nashaat N., Cortés, Farid B.

Journal:

Year:

2015

Language:

english

File:

PDF, 620 KB

english, 2015

16

Suppression of Phase Separation as a Hypothesis to Account for Nuclei or Nanoaggregate Formation by Asphaltenes in Toluene.

Acevedo, Socrates, Castillo, Jimmy, Vargas, Vicmary, Castro, Alexandra, Delgado, Omaira Z, Ariza, Camilo Andrés Franco, Cotés, Farid Bernardo, Bouyssiere, Brice

Journal:

Year:

2018

Language:

english

File:

PDF, 1.01 MB

english, 2018

17

Changes of Diameter Distribution with Temperature Measured for Asphaltenes and Their Fractions A1 and A2. Impact of These Measurements in Colloidal and Solubility Issues of Asphaltenes

Acevedo, Sócrates, García, Luis Alejandro, Rodríguez, Pedro

Journal:

Year:

2012

Language:

english

File:

PDF, 4.28 MB

english, 2012

18

Aggregation−Dissociation Studies of Asphaltene Solutions in Resins Performed Using the Combined Freeze Fracture−Transmission Electron Microscopy Technique

Acevedo, Socrates, Zuloaga, Clara, Rodríguez, Pedro

Journal:

Year:

2008

Language:

english

File:

PDF, 634 KB

english, 2008

19

Adsorption of asphaltenes and resins on organic and inorganic substrates and their correlation with precipitation problems in production well tubing

Sócrates Acevedo, Maria A. Ranaudo, Gastón Escobar, Luis Gutiérrez, Pedro Ortega

Journal:

Year:

1995

Language:

english

File:

PDF, 484 KB

english, 1995

20

Interfacial rheological studies of extra-heavy crude oils and asphaltenes: Role of the dispersion effect of resins in the adsorption of asphaltenes at the interface of water-in-crude oil emulsions

Sócrates Acevedo, Gastón Escobar, Luis B. Gutiérrez, Hercilio Rivas, Xiomara Gutiérrez

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

1993

Language:

english

File:

PDF, 573 KB

english, 1993

21

Isolation and characterization of natural surfactants from extra heavy crude oils, asphaltenes and maltenes. Interpretation of their interfacial tension-pH behaviour in terms of ion pair formation

Sócrates Acevedo, Gastón Escobar, Luis Gutiérrez, Hercilio Rivas

Journal:

Year:

1992

Language:

english

File:

PDF, 553 KB

english, 1992

22

Molecular Weight of Petroleum Asphaltenes: A Comparison between Mass Spectrometry and Vapor Pressure Osmometry

Acevedo, Sócrates, Gutierrez, Luis B., Negrin, Gabriel, Pereira, Juan Carlos, Mendez, Bernardo, Delolme, Frederic, Dessalces, Guy, Broseta, Daniel

Journal:

Year:

2005

Language:

english

File:

PDF, 617 KB

english, 2005

23

Development of a Population Balance Model to Describe the Influence of Shear and Nanoparticles on the Aggregation and Fragmentation of Asphaltene Aggregates

Nassar, Nashaat N., Betancur, Stefania, Acevedo, Socrates Alejandro, Franco, Camilo, Cortés, Farid B.

Journal:

Industrial & Engineering Chemistry Research

Year:

2015

Language:

english

File:

PDF, 2.44 MB

english, 2015

24

Adsorption-desorption of n–C7 asphaltenes over micro- and nanoparticles of silica and its impact on wettability alteration

Cortés, Farid B., Montoya, Tatiana, Acevedo, Sócrates, Nassar, Nashaat, Franco, Camilo Andrés

Journal:

CT&F - Ciencia, Tecnología y Futuro

Year:

2016

File:

PDF, 1.58 MB

2016

25

A Study of Multilayer Adsorption of Asphaltenes on Glass Surfaces by Photothermal Surface Deformation. Relation of This Adsorption to Aggregate Formation in Solution

Acevedo, Sócrates, Castillo, Jimmy, Fernández, Alberto, Goncalves, Sonia, Ranaudo, María A.

Journal:

Year:

1998

Language:

english

File:

PDF, 116 KB

english, 1998

26

An Electron Microscopy Study of Crude Oils and Maltenes

Acevedo, Socrates, Rodríguez, Pedro, Labrador, Henry

Journal:

Year:

2004

Language:

english

File:

PDF, 212 KB

english, 2004

27

Relations between Asphaltene Structures and Their Physical and Chemical Properties: The Rosary-Type Structure

Acevedo, Sócrates, Castro, Alexandra, Negrin, Juan Gabriel, Fernández, Alberto, Escobar, Gastón, Piscitelli, Vincent, Delolme, Frederic, Dessalces, Guy

Journal:

Year:

2007

Language:

english

File:

PDF, 356 KB

english, 2007

28

Transmission of polar effects: prediction by the Kirkwood?Westheimer electrostatic field effect model

Acevedo, Socrates, Bowden, Keith

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1977

Language:

english

File:

PDF, 136 KB

english, 1977

29

Asphaltenes and resins from the Orinoco basin

Sócrates Acevedo, Bernando Méndez, Anibal Rojas, Ignacio Layrisse, Hercilio Rivas

Journal:

Year:

1985

Language:

english

File:

PDF, 745 KB

english, 1985

30

Optical fiber extrinsic refractometer to measure RI of samples in a high pressure and temperature systems: Application to wax and asphaltene precipitation measurements

Jimmy Castillo, Carlos Canelón, Sócrates Acevedo, Hervé Carrier, Jean-Luc Daridon

Journal:

Year:

2006

Language:

english

File:

PDF, 234 KB

english, 2006

31

Importance of asphaltene aggregation in solution in determining the adsorption of this sample on mineral surfaces

Socrates Acevedo, Marı́a A. Ranaudo, Coromoto Garcı́a, Jimmy Castillo, Alberto Fernández, Manuel Caetano, Sonia Goncalvez

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

2000

Language:

english

File:

PDF, 110 KB

english, 2000

32

Adsorption of Asphaltenes at the Toluene−Silica Interface: A Kinetic Study

Acevedo, Sócrates, Ranaudo, María A., García, Coromoto, Castillo, Jimmy, Fernández, Alberto

Journal:

Year:

2003

Language:

english

File:

PDF, 75 KB

english, 2003

33

Observations about the Structure and Dispersion of Petroleum Asphaltenes Aggregates Obtained from Dialysis Fractionation and Characterization †

Acevedo, Socrates, Escobar, Gastón, Ranaudo, María A., Piñate, Jesús, Amorín, Alejandro, Díaz, Marisel, Silva, Pedro

Journal:

Year:

1997

Language:

english

File:

PDF, 166 KB

english, 1997

34

Transmission of polar effects. Part 17. Ionisation and esterification with diazodiphenylmethane of 5-substituted triptycene-7-carboxylic acids and the alkaline hydrolysis of their methyl esters

Acevedo, Socrates, Bowden, Keith

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1986

Language:

english

File:

PDF, 589 KB

english, 1986

35

Molecular weight properties of asphaltenes calculated from GPC data for octylated asphaltenes

Sócrates Acevedo, Gastón Escobar, María Antonieta Ranaudo, Aniello Rizzo

Journal:

Year:

1998

Language:

english

File:

PDF, 563 KB

english, 1998

36

Caging of Molecules by Asphaltenes. A Model for Free Radical Preservation in Crude Oils

Mujica, Vladimiro, Nieto, Pedro, Puerta, Luis, Acevedo, Socrates

Journal:

Year:

2000

Language:

english

File:

PDF, 156 KB

english, 2000

37

Fractionation of Asphaltene by Complex Formation with p -Nitrophenol. A Method for Structural Studies and Stability of Asphaltene Colloids

Gutiérrez, Luis B., Ranaudo, María A., Méndez, Bernardo, Acevedo, Sócrates

Journal:

Year:

2001

Language:

english

File:

PDF, 72 KB

english, 2001

38

Transmission of polar effects. Part 16. Ionisation of 8-substituted 1-naphthoic acids and the alkaline hydrolysis of their methyl esters

Acevedo, Socrates, Bowden, Keith

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1986

Language:

english

File:

PDF, 290 KB

english, 1986

39

The PMO method for analysis of structural features of polycyclic aromatic hydrocarbons relevant to asphaltenes

Sócrates Acevedo, María Antonieta Ranaudo, Luis B. Gutiérez, Gastón Escobar

Journal:

Year:

1996

Language:

english

File:

PDF, 572 KB

english, 1996

40

Adsorption of Native Resins on Asphaltene Particles: A Correlation between Adsorption and Activity

León, Olga, Contreras, Eliasara, Rogel, Estrella, Dambakli, Gilberto, Acevedo, Sócrates, Carbognani, Lante, Espidel, Joussef

Journal:

Year:

2002

Language:

english

File:

PDF, 166 KB

english, 2002

41

Simplification of heavy matrices by liquid-solid extraction: part II - how to separate the LMW, MMW and HMW compounds in asphaltene fractions for V, Ni and S compounds

Gascon, German, Negrin, Juan, Garcia-Montoto, Victor, Acevedo, Socrates Alejandro, Lienemann, Charles-Philippe, Bouyssiere, Brice

Journal:

Year:

2019

Language:

english

File:

PDF, 1.27 MB

english, 2019

42

Trapping of Metallic Porphyrins by Asphaltene Aggregates: A Size Exclusion Microchromatography With High-Resolution Inductively Coupled Plasma Mass Spectrometric Detection Study

Acevedo, Sócrates, Guzmán, Karina, Labrador, Henry, Carrier, Herve, Bouyssiere, Brice, Lobinski, Ryszard

Journal:

Year:

2012

Language:

english

File:

PDF, 628 KB

english, 2012

43

"ISOLATION AND CHARACTERIZATION OF NATURAL SURFACTANTS PRESENT IN EXTRA HEAVY CRUDE OILS"

Layrisse, Ignacio, Rivas, Hercilio, Intevep, S. A., Acevedo, Sócrates

Journal:

Journal of Dispersion Science and Technology

Year:

1984

Language:

english

File:

PDF, 335 KB

english, 1984

44

Mobility of Asphaltene Samples Studied by 13 C NMR Spectroscopy

Pekerar, Sara, Lehmann, Teresa, Méndez, Bernardo, Acevedo, Sócrates

Journal:

Year:

1999

Language:

english

File:

PDF, 85 KB

english, 1999

45

Effect of the Asphaltene Oxidation Process on the Formation of Emulsions of Water in Oil (W/O) Model Solutions

Llanos, Sebastián, Acevedo, Sócrates, Cortés, Farid, Franco, Camilo

Journal:

Year:

2018

Language:

english

File:

PDF, 2.62 MB

english, 2018

46

Simplification of heavy matrices by liquid-liquid extraction: Part I -How to separate LMW, MMW and HMW compounds in maltene fractions of V, Ni and S compounds

Gascon, German, Negrin, Juan, Garcia-Montoto, Victor, Acevedo, Socrates Alejandro, Lienemann, Charles-Philippe, Bouyssiere, Brice

Journal:

Year:

2019

Language:

english

File:

PDF, 1.39 MB

english, 2019

47

Study of very high molecular weight cluster presence in THF solution of asphaltenes and subfractions A1, A2, by gel permeation chromatography with inductively coupled plasma mass spectrometry

Gonzalez, Genesis, Acevedo, Socrates, Castillo, Jimmy, Villegas, Orlando, Ranaudo, Maria A, Guzman, Karina, Orea, Miguel, Bouyssiere, Brice

Journal:

Year:

2020

File:

PDF, 1.10 MB

2020

48

Isolation and Characterization of Low and High Molecular Weight Acidic Compounds from Cerro Negro Extraheavy Crude Oil. Role of These Acids in the Interfacial Properties of the Crude Oil Emulsions

Acevedo, Sócrates, Escobar, Gaston, Ranaudo, María A., Khazen, Jose, Borges, Belsay, Pereira, Juan C., Méndez, Bernardo

Journal:

Year:

1999

Language:

english

File:

PDF, 33 KB

english, 1999

49

Effects of Resin I on the Catalytic Oxidation of n-C7 Asphaltenes in the Presence of Silica-Based Nanoparticles

Lozano, Mónica M., Franco, Camilo, Acevedo, Socrates A., Nassar, Nashaat N., Cortés, Farid B.

Journal:

Year:

2016

Language:

english

File:

PDF, 2.08 MB

english, 2016

50

INTERFACIAL PROPERTIES OF THE PRODUCTS OF OZONOLYSIS OF HAMACA CRUDE OIL

Escobar, Gastón, Patiño, Pedro, Acevedo, Sócrates, Escobar, Optalí, Ranaudo, María A., Pereira, Juan Carlos

Journal:

Petroleum Science and Technology

Year:

2001

Language:

english

File:

PDF, 175 KB

english, 2001

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