Analisis Kinerja Surfaktan AOS (Alpha Olefin Sulfonat) Dan Ko-Surfaktan NP-10 (Nonyl Phenol Ethoxylate) Terhadap Kelakuan Fasa Fluida (Phase Behavior) Dan Uji Busa (Foamy Test) (Laboratorium Study)

Meilanie, Anggie Suci (2022) Analisis Kinerja Surfaktan AOS (Alpha Olefin Sulfonat) Dan Ko-Surfaktan NP-10 (Nonyl Phenol Ethoxylate) Terhadap Kelakuan Fasa Fluida (Phase Behavior) Dan Uji Busa (Foamy Test) (Laboratorium Study). Other thesis, Universitas Islam Riau.

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Abstract

The type of surfactant that is often used in the oil and gas industry is petroleum sulfonate, which is a type of anionic surfactant. One type of petroleum sulfonate is Alpha Olefin Sulfonate. The performance of Alpha Olefin Sulfonate surfactants is influenced by concentration and salinity. Co-Surfactants are chemicals added in surfactant injection to increase the effectiveness of surfactants. Co-surfactants are often required to make primary surfactants sufficiently soluble. The use of Co-Surfactants is economically beneficial in terms of higher oil recovery due to better surfactant performance. In this study, the performance of anionic alpha olefin sulfonate (AOS) surfactant solution which has a low concentration of 0.1%, 0.3%, and 0.5% will be seen with the addition of Co-Surfactant at concentrations of 0.1%, 0.3 %, and 0.5% at 5,000 ppm, 10,000 ppm, 15,000 and 20,000 ppm salinities. The co-surfactant to be used is Nonyl Phenol Ethoxylate (NP-10). Conducting compatibility test using oven, analyzing microemulsion phase test using a test tube for 7 days, and analyzing surfactant foam by stirring it using a magnetic stirrer. From the research results obtained on testing the stability of the emulsion through the phase test resulted in a good microemulsion or Winsor III at mixing all concentrations of AOS and NP-10 at a salinity of 5.000 ppm. Compatibility test on mixing AOS and NP-10 surfactants at all concentrations and salinities at 60℃ resulted in all samples being compatible in terms of surfactant clarity. However, at a concentration of 0.5% AOS with 0.3% NP-10, the 0.5% solution became cloudy. The foamy test produced foam at a concentration of AOS (0.1%, 0.3%, 0.5%) and NP-10 0.5% surfactant in all types of salinity and non-salinity, with a maximum foam reaching 23 mm and a height of stable foam 18 mm at a mixture of 0.5% AOS concentration and 0.5% NP-10 surfactant (non salinity).

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