High- and low-molecular-weight lignosulfonates and Kraft lignins as oil/water-emulsion stabilizers studied by means of electrical conductivity

Multivariate Screening Analysis of Water

Multivariate Screening Analysis of Water-in-Oil Emulsions in High External Electric Fields as Studied by Means of Dielectric Time Domain Spectroscopy: III. Model Emulsions Containing Asphaltenes and Resins

✍ Øivind Midttun; Harald Kallevik; Johan Sjöblom; Olav M. Kvalheim 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 223 KB

The effect of crude oil resins with various polar characters on the stability of w/o model emulsions containing asphaltenes is investigated using a mixture design. The resins were extracted using an adsorption-desorption technique. One asphaltene fraction and four different resin fractions from one