Role of ion-pair interactions on asphaltene stabilization by alkylbenzenesulfonic acids

• Published in: Journal of colloid and interface science Vol. 440; pp. 23 - 31
• Main Authors: Goual, Lamia, Sedghi, Mohammad
• Format: Journal Article
• Language: English
• Published: United States Elsevier Inc 15.02.2015
• Subjects: acids; Aliphatic compounds; alkylphenols; Asphaltene; Asphaltenes; Asphalts; DBSA; Dispersion; Dispersions; electrostatic interactions; Filaments; Flocculating; Formations; Ion-pair interaction; Molecular dynamics; Molecular structure; surfactants; transmission electron microscopy; Asphaltene; Molecular dynamics; DBSA; Dispersion; Ion-pair interaction

[Display omitted] •Asphaltene interactions with DBSA and alkylphenols are different.•Flocculates with DBSA consist of thick filaments with short lateral ramifications.•DBSA promoted the formation of large and compact flocculates.•Flocculation mechanism driven by ion-pair interactions was proposed. T...